Sharp Xe-a40s User manual

ELECTRONIC

CASH REGISTER

XE-A40S

MODEL

CAUTION

CHAPTER 1. SPECIFICATIONS

[1] APPEARANCE............................................... 1-1

[2] RATING.......................................................... 1-1

[3] KEYBOARD ................................................... 1-1

[4] MODE SWITCH ............................................. 1-1

[5] DISPLAY ........................................................ 1-2

[6] PRINTER ....................................................... 1-3

[7] DRAWER ....................................................... 1-3

[8] BATTERY....................................................... 1-3

CHAPTER 2. OPTIONS

[1] OPTIONS (NO) .............................................. 2-1

[2] SERVICE OPTIONS (NO) ............................. 2-1

[3] SUPPLIES...................................................... 2-1

CHAPTER 3. MASTER RESET AND PROGRAM RE-

SET

[1] MASTER RESETTING................................... 3-1

[2] PROGRAM RESETTING (INITIALIZA-

TION) ............................................................. 3-1

CHAPTER 4. HARDWARE DESCRIPTION

[1] BLOCK DIAGRAM.........................................4-1

[2] MEMORY MAP..............................................4-1

[3] PRINTER CONTROL ....................................4-1

[4] I/O..................................................................4-2

[5] KEY-DISPLAY................................................4-4

[6] POWER SUPPLY ..........................................4-5

[7] REWRITING FLASH MEMORY ....................4-5

[8] DRAWER.......................................................4-5

[9] PRINT RATE .................................................4-5

[10] A/D CONVERSION .......................................4-5

[11] BUZZER ........................................................4-5

[12] USB I/F ..........................................................4-5

[13] RESET...........................................................4-5

CHAPTER 5. DIAGNOSTIC PROGRAM

[1] TEST ITEMS .................................................5-1

[2] DESCRIPTION OF EACH DIAG PRO-

GRAM............................................................5-1

[3] KEY CODE TABLE........................................5-4

CHAPTER 6. IPL FROM EP-ROM

CHAPTER 7. CIRCUIT DIAGRAM AND PWB LAY-

OUT

SERVICE MANUAL

XE-A40S

CODE:00ZXEA40SUSME

SHARP CORPORATION

Parts marked with " " are important for maintaining the safety of the set. Be sure to replace these parts with specified ones for

maintaining the safety and performance of the set.

This document has been published to be used

for after sales service only.

The contents are subject to change without notice.

CONTENTS

XE-A40S

XE-A40S Service Manual

CAUTION

RISK OF EXPLOSION IF BATTERY IS REPLACED

BY AN INCORRECT TYPE.

DISPOSE OF USED BATTERIES ACCORDING

TO THE INSTRUCTIONS.

AVOID: SHORT-CIRCUITING THE BATTERY TERMINALS.

KEEP THE BATTERY AWAY FROM FIRE.

* WHEN DISPOSING THE BATTERY, FOLLOW THE LOCAL

RULES AND REGULATIONS.

“BATTERY DISPOSAL”

THIS PRODUCT CONTAINS NICKEL-METAL HYDRIDE BATTERY.

THIS BATTERY MUST BE DISPOSED OF PROPERLY.

REMOVE THE BATTERY FROM THE PRODUCT AND CONTACT FEDERAL OR

STATE ENVIRONMENTAL AGENCIES FOR INFORMATION ON RECYCLING AND

DISPOSAL OPTIONS.

XE-A40S

1 – 1

XE-A40S Service Manual

CHAPTER 1. SPECIFICATIONS

[1] APPEARANCE

[2] RATING

[3] KEYBOARD

1. KEYBOARD LAYOUT

2. KEY LIST

2.1. Keyboard layout

NOTE: The small characters on the bottom or lower right in each key

indicates functions or characters which can be used for char-

acter entries for text programming.

2.2. Key names

[4] MODE SWITCH

1. LAYOUT

• Rotary type

The mode switch can be operated by inserting one of the two supplied

mode keys - manager (MA) and operator (OP) keys. These keys can

be inserted or removed only in the "REG" or "OFF" position.

XE-A40S

Weight 28.0lb (12.7kg)

Dimensions 420 (W) x 427 (D) x 297 (H) mm

16.5 (W) x 16.8 (D) x 11.7 (H) inches

Power source AC 120V (m10%), 60Hz

Power consumption Stand-by 8.6W, Operating 49W (max.)

Working temperature 0°C–40°C (32°F to 104°F)

Type Normal keyboard

Key position STD/MAX 59

Key pitch 19 (W) x 19 (H) mm

Key layout Fixed type

USB connector

Operator display

Receipt paper

Journal window

Drawer lock

Drawer

Printer cover

Customer display

(Pop-up type)

Mode switch

AC power cord

Keyboard

Front view Rear view

123

456

789

•

DEPT

SHIFT

CLK

%1RA

VOID

RFND

–

NUMBER

SHIFT

SPACE

ESC

RCPT

/PO

FOR

PLU

/SUB

DEPT

10 K

15 P

AUTO

TAX

TAX2

SHIFT

TAX1

SHIFT

MDSE

SBTL

#/TM

SBTL

CHK CH

CONV

CA/AT/NS

RECEIPT JOURNAL

KEY TOP DESCRIPTION

↑(RECEIPT) Receipt paper feed key

↑(JOURNAL) Journal paper feed key

RA Received-on account key

RCPT/PO Receipt print/Paid-out key

VOID Void key

ESC Escape key

%1, %2 Percent 1and 2 key

RFND Refund key

Discount key

&/FOR Multiplication key

•Decimal point key

CL Clear key

0-9,00 Numeric Keys

PLU/SUB PLU/Subdepartment key

DEPT# Department code entry key

DEPT SHIFT Department shift key

CLK# Clerk code entry key

Dept1-40 Department keys

TAX Tax key

Tax 1 SHIFT Tax 1 shift key

Tax 2 SHIFT Tax 2 shift key

AUTO Automatic sequence key

CONV Conversion key

CHK Check key

CH1, CH2 Charge 1 and 2 keys

MDSE SBTL Merchandise subtotal key

#/TM/SBTL Non-add code/Time display/Subtotal key

CA/AT/NS Total/Amount tender/Non Sale key

PGM

VOID

OFF

X/Z

REG

MGR

X1/Z1

X2/Z2

Manager key (MA)

Operator key (OP)

MA OP

XE-A40S

1 – 2

The mode switch has these settings:

[5] DISPLAY

1. OPERATOR DISPLAY

Layout:

2. CUSTOMER DISPLAY

Layout:

3. DESCRIPTION

3.1. Operator display

• Clerk code or Mode name

The mode you are in is displayed. When a clerk is assigned, the

clerk code is displayed in the REG or OP X/Z mode. For example,

"*01*" is displayed when clerk 01 is assigned.

• Repeat

The number of repeats is displayed, starting at "2" and incremental

with each repeat. When you have registered ten times, the display

will show "0" (2→3......9→0→1→2...)

• Sentinel mark

When amount in the drawer reaches the amount you prepro-

grammed, the sentinel mark "X" is displayed to advise you to

remove the money and put it in a safe place.

• Power save mark

When the cash register goes into the power save mode, the power

save mark (decimal point) lights up.

• Function message display area

Item labels of departments and PLU/subdepartments and function

texts you use, such as %1, (-) and CASH are displayed.

When an amount is to be entered or entered, "AMOUNT" is dis-

played: When an amount is to be entered, ------- is displayed at the

numeric entry area with "AMOUNT". When a preset price has been

set, the price is displayed at the numeric entry area with

"AMOUNT".

• Numeric entry display area

Numbers entered using numeric keys are displayed here.

*Date and time display

Date and time appear on the display in the OP X/Z, REG, or MGR

mode. In the REG or MGR mode, press the [#/TM/SBTL] key to

display the date and time.

*Error message

When an error occurs, the corresponding error message is dis-

played in the function message display area.

3.2. Customer display (Pop-up type)

OFF: This mode locks all register operations. (AC power turns

off.)

No change occurs to register data.

OP X/Z: To take individual clerk X or Z reports, and to take flash

reports.

It can be used to toggle receipt state "ON" and "OFF" by

pressing he [RCP/PO] key.

REG: For entering sales.

PGM: To program various items.

VOID: Enters into the void mode. This mode allows correction

after finalizing a transaction.

MGR: For manager's entries. The manager can use this mode

for an override entry.

X1/Z1: To take the X/Z report for various daily totals.

X2/Z2: To take the X/Z report for periodic (weekly or monthly)

consolidation.

Display device : LCD

Number of line : 2 line

Number of positions : 16 positions

Color of display : Yellow / Green

Character form : 7 segment + Dp

Character size : Approx. 8.0mm (H) x 4.8mm (W)

Display device : LED

Number of line : 1 line

Number of positions : 7 positions

Color of display : Yellow / Green

Style : Pop up type

Character form : 7 segment + Dp

Character size : 14.0mm (H) x 8.0mm (W)

Function message display area

Clerk code or mode name

Numeric entry display area

Receipt OFF indicator

Repeat / Sentinel mark / Power save mark

Power save mark

(Lighting the mark only under the power save mode)

XE-A40S

1 – 3

[6] PRINTER

1. PRINTER

* PR-45M II is not equipped with the gear cover. It is the only differ-

ence of PR-45M II and PR-45M. When servicing PR-45M II printer

unit, the manual of PR-45M will serve as a reference.

2. PAPER

3. LOGO STAMP

4. CUTTER

5. PRINTING AREA

Receipt & Journal

[7] DRAWER

1. OUTLINE

• Standard equipment: Yes

• Max. number of additional drawers: 0

• The drawer consists of:

1) Drawer box (outer case) and drawer

2) Coin case

3) Money case

4) Lock (attached to the drawer)

2. SPECIFICATION

2.1. DRAWER BOX AND DRAWER

2.2. MONEY CASE

2.3. LOCK (LOCK KEY : LKGIM7331BHZZ)

• Location of the lock: Front

• Method of locking and unlocking:

To lock, insert the drawer lock key into the lock and turn it 90

degrees counter clockwise.

To unlock, insert the drawer lock key and turn it 90 degrees clock-

wise.

• Key No: SK1-1

[8] BATTERY

1. MEMORY BACK UP BATTERY

• Part number : PR-45M II

• NO. of station : 2 (Receipt and journal)

• Validation : No

• Printing system : Line thermal

• No. of dot : Receipt 288 dots

Journal 288 dots

• Dot pitch : Horizontal 0.125mm

Vertical 0.125mm

• Font : 10 dots (W) x 24 dots (H)

• Printing capacity : Receipt max. 24 characters

Journal max. 24 characters

• Character size : 1.25mm (W) x 3.0mm (H) at 10 x 24 dots

• Print pitch : Column distance 1.5mm

Row distance 3.75mm

• Print speed : Approximate 50mm/s (13.3 lines/sec)

• Paper feed speed

(Manual feed)

: Approximate 40mm/s

• Reliability : Mechanism MCBF 5 million lines

Head life 12.5 million characters

(at 4 dots/1 character/1 element)

• Paper end sensor : Set up (Receipt and journal)

• Cutter : Manual

• Near end sensor : No

• Paper roll

dimension

: 44.5 m ±0.5mm in width

Max. 80mm in diameter

• Paper quality : (Journal/Receipt)

High-quality paper

paper thickness: 0.06 to 0.08mm

Nihon seisi thermal

paper

: TF50KS-E

Oji thermal paper : PD150R,PD160R

•No

• Method : Manual

0.125

Receipt Journal (units;mm)

(288dots)

(112dots)

(688dots)

Number of themal head heater elements 864 dots

(288dots)

3614

44.5

44.5 0.5 44.5 0.5

Model name of the drawer box SK423

Size 420 (W) x 426 (D) x 114 (H) mm

16.5 (W) x 16.8 (D) x 4.5 (H) inches

color Gray (PB-N8.0)

Material Metal

Bell -

Release lever Standard equipment: located at the

bottom

Drawer open sensor -

Separation from the main unit -

Separation from the drawer Allowed

Separation of the bill compartments from the coin

compartments

Allowed

Bill separator Disallowed

Number of compartments 5B/6C

Built-in battery : Rechargeable batteries, memory holding time

about 1 month (with fully charged built-in batteries,

at room temperature)

5B/6C

SK1-1

XE-A40S

2 – 1

XE-A40S Service Manual

CHAPTER 2. OPTIONS

[1] OPTIONS (NONE)

[2] SERVICE OPTIONS (NONE)

[3] SUPPLIES

NO NAME PARTS CODE PRICE

RANK DESCRIPTION

1 Thermal roll paper TPAPR6645RC05 BA 5 ROLLS/PACK

XE-A40S

3 – 1

XE-A40S Service Manual

CHAPTER 3. MASTER RESET AND PROGRAM RESET

[1] MASTER RESETTING

Master resetting clears the entire memory and resumes default values.

Master resetting can be accomplished by using the following proce-

dure:

The master reset can also be accomplished in the following case.

In case power failure occurs when the machine has no battery

attached to it, the master reset operation is automatically performed

after the power has been restored.

(This is because if power failure occurs with no battery attached to the

machine, all the memory will be lost and the machine does not work

properly after power recovery; this requires the master reset opera-

tion.)

[2] PROGRAM RESETTING (INITIALIZA-

TION)

This resetting resumes the initial program without clearing memory.

This resetting can be operated at below sequence in PGM mode.

NOTE: In case power failure occurs when the machine has no battery

attached to it, the master reset operation is automatically per-

formed after the power has been restored.

Procedure A: 1) Unplug the AC cord from the wall outlet.

2) Set the mode switch to the PGM position.

3) While holding down both the JOURNAL FEED key

and [CL] key, plugin the AC cord to the wall outlet.

Procedure: 1) Unplug the AC cord from the wall outlet.

2) Set the mode switch to the PGM position.

3) While holding down both JOURNAL FEED key

and RECEIPT FEED key, plugin the AC cord to

the wall outlet.

XE-A40S

4 – 1

XE-A40S Service Manual

CHAPTER 4. HARDWARE DESCRIPTION

[1] BLOCK DIAGRAM [2] MEMORY MAP

1. ADDRESS MAP

Only the BANK in /CS area(30000h-FFFFFh) is effective.

2. EXTERNAL BUS

[3] PRINTER CONTROL

1. STEPPING MOTOR CONTROL

The stepping motor is driven at a constant voltage by Sanken

STA471A.

1step: 0.125mm, A1dot: 1step

Printing speed 50mm/s

1.1. CPU’s PORT

CPU

M30620SAFP (MITSUBISHI, internal RAM 10KB)

External memory

RAM 256KB

FLASH ROM 512KB

SHARP LH28F004BVT

PRINTER PR45M II

USB controller RENESAS M66291GP

256KB

SRAM

512KB

FLASH ROM

PRINTER

CPU

RAM 10KB

4to16

ECODER

USB

M66291GP

KEY & SW

POWER

SUPPLY

DRAWER

DIG DRIVER

SEG DRIVER

KEY RETURN

KEY SCAN

POPUP

7 digits

LCD

16 digits x 2

DRIVER, SENSOR

External BUS Access Speed

*1BCLK=83.3ns (at 12MHz)

SRAM: 2BCLK

EPROM: 2BCLK

FLASH ROM: 2BCLK

External I/O: 2BCLK

SRAM /CS2 Area address 08000h~27FFFh 128KB

/CS0 Area BANK0 address 30000h~4FFFFh 128KB

FLASH

ROM

/CS0 Area BANK0 address 80000h~FFFFFh 512KB

*Moves to Bank 1 when rewritten using EPROM

No. CPU PORT Signal to be used

80 P10 RAS

79 P11 RBS

78 P12 RCS

77 P13 RDS

76 P14 JAS

75 P15 JBS

74 P16 JCS

73 P17 JDS

BANK 0 BANK 1

/CS0 0 0

BA0 0 1

00000h

00400h

02C00h

04000h

/CS3

08000h

/CS2

28000h

/CS1

30000h

External SRAM 2

External reserved area

40000h

128KB

50000h /CS0

80000h

IPL MODE IPL MODE

OFF: Flash ROM OFF: EP ROM

ON: EP ROM ON: Flash RPM

C0000h

FFFFFh

Internal rserved area

External I/O

External SRAM 1

External I/O

(USB controller)

Internal RAM area

10KB

128KB

XE-A40S

4 – 2

1.2. Driving steps

RECEIPT MOTOR

* When stopping the motor, all energizing to the phase is turned off

by giving the rush current of 10ms to the same phase as a final

excitation phase. →Turn all RAS ~ RDS and JAS ~ JDS into L.

No energizing should be allowed at lease 30 ms after stopping the

motor before restarting.

When the motor is started, the rush current of 10ms is given to the

first excitation phase.

2. HEAD CONTROL

Related PORT

* When turning on or off the printer power supply, make sure to turn /

STB1, 2, 3, 4 to "H".

* Do not turn on without paper.

* THERMAL HEAD power supply control : Turns ON when P81= "H";

turns OFF when "L". (The power supply for HEAD and STEPPING

MOTOR is shared). When printing is finished (when the motor is

stopped) Athe power should be turned OFF.

* Before printing or feeding paper, perform A/D conversion in ** ms

after the printer head is turned ON and make sure the voltage is

stable.

(The power supply of the printer head should be turned ON and

OFF by using the regulator IC.)

[4] I/O

Driver IC input

(CPU output)

Motor driving signal

STEP RAS RBS RCS RDS /

RPFA

RPFB

RPFC

RPFD

1HLLHL H H L

2LHLHH L H L

3LHHLH L L H

4HLHL L H L H

Driver IC input

(CPU output)

Motor driving signal

STEP JAS JBS JCS JDS /

JPFA

JPFB

JPFC

JPFD

1LHHLH L L H

2LHLHH L H L

3HLLHL H H L

4HLHL L H L H

HEAD: 832 dots in all. Printable range: 384 dots at receipt side;

384 dots at journal side

No. CPU PORT Signal to be used

30 TXD2 SO

29 RXD2 SI

28 CLK2 PCLK

93 P103 /STRB1

92 P104 /STRB2

91 P105 /STRB3

90 P106 /STRB4

89 P107 LATCH

21 P81 VHCOM

/STB1: 1 ~ 288dot: 288 dots in all

/STB2: 289 ~ 432dot: 144 dots in all Total 864 dots

/STB3: 433 ~ 576dot: 144 dots in all

/STB4: 577 ~ 864dot: 288 dots in all

M16C/62 PORT Memory space: Normal mode

Processor mode: Use it in Micro processor mode (Separate BUS/width=8bit)

PORT PIN No. I/O Pin name Signal name Initial

value

OFF

MODE

Function

P00 88 I/O D0 D0 OUT L

P01 87 I/O D1 D1 OUT L

P02 86 I/O D2 D2 OUT L

P03 85 I/O D3 D3 OUT L

P04 84 I/O D4 D4 OUT L

P05 83 I/O D5 D5 OUT L

P06 82 I/O D6 D6 OUT L

P07 81 I/O D7 D7 OUT L

P10 80 O P10 RAS L OUT L Receipt paper feed A

P11 79 O P11 RBS L OUT L Receipt paper feed B

P12 78 O P12 RCS L OUT L Receipt paper feed C

P13 77 O P13 RDS L OUT L Receipt paper feed D

P14 76 O P14 JAS L OUT L Journal paper feed A

P15 75 O P15 JBS L OUT L Journal paper feed B

P16 74 O P16 JCS L OUT L Journal paper feed C

P17 73 O P17 JDS L OUT L Journal paper feed D

P20 72 O A0 A0 OUT L

P21 71 O A1 A1 OUT L

P22 70 O A2 A2 OUT L

P23 69 O A3 A3 OUT L

P24 68 O A4 A4 OUT L

P25 67 O A5 A5 OUT L

P26 66 O A6 A6 OUT L

XE-A40S

4 – 3

P27 65 O A7 A7 OUT L

P30 63 O A8 A8 OUT L

P31 61 O A9 A9 OUT L

P32 60 O A10 A10 OUT L

P33 59 O A11 A11 OUT L

P34 58 O A12 A12 OUT L

P35 57 O A13 A13 OUT L

P36 56 O A14 A14 OUT L

P37 55 O A15 A15 OUT L

P40 54 O A16 A16 OUT L

P41 53 O A17 A17 OUT L

P42 52 O A18 A18 OUT L

P43 51 O A19 A19 OUT L

P44 50 O /CS0 /CS0 OUT H

P45 49 O /CS1 /CS1 OUT L USB CONTROLLER

P46 48 O /CS2 /CS2 OUT H

P47 47 O /CS3 /CS3 OUT L

P50 46 O /WR /WR OUT L

P51 45 O /BHE (NU) OUT L

P52 44 O /RD /RD OUT L

P53 43 O BCLK BCLK OUT L

P54 42 O /HLDA (NU) OUT L

P55 41 I /HOLD /HOLD IN

P56 40 O ALE (NU) OUT L

P57 39 I /RDY /RDY IN

P60 38 I P60 /KR0 IN Key Return Signal 0

P61 37 I P61 /KR1 IN Key Return Signal 1

P62 36 I P62 /KR2 IN Key Return Signal 2

P63 35 I P63 /KR3 IN Key Return Signal 3

P64 34 I P64 /KR4 IN Key Return Signal 4

P65 33 I P65 /KR5 IN Key Return Signal 5

P66 32 I P66 /KR6 IN Key Return Signal 6

P67 31 I P67 /KR7 IN Key Return Signal 7

P70 30 O TXD2 SO L OUT L PRINTER DATA OUT

P71 29 I RXD2 SI IN PRINTER DATA IN

P72 28 O CLK2 PCLK L OUT L PRINTER CLOCK

P73 27 O P73 DR1 L OUT L DRAWER 1 DRIVE SIGNAL

P74 26 O P74 /USBRST L OUT L USB RESET SIGNAL

P75 25 O P75 (NU) L OUT L

P76 24 O P76 (NU) L OUT L

P77 23 O P77 (NU) L OUT L

P80 22 O P80 BUZZER L OUT L BUZZER

P81 21 O P81 VHCOM L OUT L PRINTER HEAD CONTROL

P82 20 I /INT0 POFF IN POWER INTERRUPT

P83 19 I /INT1 /DREQUSB IN USB DMA REQUEST

P84 18 I /INT2 /INTUSB IN USB INTERRUPT

P85 17 I /NMI /NMI(NU) IN

P86 11 O XCOUT XCOUT 32.768kHz

P87 10 I XCIN XCIN 32.768kHz

P90 7 I P90 MODE IN MODE KEY SENSE

P91 6 I P91 MSENS IN MISCELLANEOUS SENSE

P92 5 O P92 (NU) L OUT L

P93 4 O P93 BA0 L OUT L BANK SIGNAL 0

P94 3 O P94 DATE/CE L OUT L LCD DATA LATCH SIGNAL

P95 2 O P95 BLON L OUT L BACK LIGHT ON

P96 1 O P96 LCDON L OUT L LCD POWER ON

P97 100 I P97 IPLON IN IPL ON SIGNAL

P100 97 I AN0 TM IN HEAD TEMPERATURE MONITOR

P101 95 I AN1 VPTEST IN HEAD VOLTAGE MONITOR

P102 94 I AN2 VREF IN REFERENCE VOLTAGE

P103 93 O AN3 /STRB1 H IN PRINTER STORE SIGNAL 1

P104 92 O AN4 /STRB2 H IN PRINTER STORE SIGNAL 2

P105 91 O P105 /STRB3 H IN PRINTER STORE SIGNAL 3

P106 90 O P106 /STRB4 H IN PRINTER STORE SIGNAL 4

PORT PIN No. I/O Pin name Signal name Initial

value

OFF

MODE

Function

XE-A40S

4 – 4

POWER SUPPLY/CONTROL TERMINAL

[5] KEY-DISPLAY

1. LCD CONTROL

1.1. LCD CONTROL

LCD-related registers

1.1.1 LCD Control Signal / Key Strobe Signal

1.1.2 Data Latch Signal

L : LCD write data latch

2. KEY/DISPLAY SCAN

On the XE-A40S, the key and display scan signal is common.

KEY/DISPLAY SCAN and key read should be performed at the follow-

ing timing.

1) KEY/DISPLAY SCAN cycle: 10ms

2) Blanking time: 50us

3) KEY DATA READ timing: More than 10 ms from the fall of the

SCAN signal

Key / Display-related registers

2.1. LED Segment Signal

2.2. Key Strobe Signal

Bit3 ~ 0 : KS3 ~ 0

Strobe signals for keys and POP UP Display are generated at KS3 - 0.

2.3. Key Return Signal

P107 89 O P107 LATCH L IN PRINTER LATCH SIGNAL

PORT PIN No. I/O Pin name Function

BYTE 8 I BYTE Connected to VCC

CNVss 9 I CNVss Connected to GND

/RESET 12 I /RESET

Xout 13 O Xout Connected to XTAL

Vss 14 Vss Connected to GND

Xin 15 I Xin Connected to XTAL

Vcc 16 Vcc Connected to VCC

Vcc 62 Vcc Connected to VCC

Vss 64 Vss Connected to GND

Avss 96 AVss Connected to GND

Vref 98 Vref Connected to VCC

Avcc 99 Avcc Connected to VCC

PORT PIN No. I/O Pin name Signal name Initial

value

OFF

MODE

Function

Function Address R/W

LCD Write Data 04001h W

LCD Read Data 04002h R

LCD Control Signal 04003h W

Data Latch Signal CPU port P94 W

Address Bit7 Bit6 Bit5 Bit4 Bit3 Bit2 Bit1 Bit0

04003h – E R/W RS – – – –

Bit7 : Not used

Bit6 : E

Enable Signal Enable

Bit5 : R/W

H : Data read L : Data Write

Bit4 : RS

H : Data input L : Instruction Input

Function Address R/W

LED Segment Signal 04000h W

Key Strobe Signal 04003h W

Key Return Signal CPU port R

Address Bit7 Bit6 Bit5 Bit4 Bit3 Bit2 Bit1 Bit0

04000h dp g f e d c b a

Address Bit7 Bit6 Bit5 Bit4 Bit3 Bit2 Bit1 Bit0

04003h – – – – KS3 KS2 KS1 KS0

No.

CPU

PORT

Signal

name

Function

38 P60 KR0# KEY RETURN SIGNAL 0

37 P61 KR1# KEY RETURN SIGNAL 1

36 P62 KR2# KEY RETURN SIGNAL 2

35 P63 KR3# KEY RETURN SIGNAL 3

34 P64 KR4# KEY RETURN SIGNAL 4

33 P65 KR5# KEY RETURN SIGNAL 5

32 P66 KR6# KEY RETURN SIGNAL 6

31 P67 KR7# KEY RETURN SIGNAL 7

XE-A40S

4 – 5

3. KEYSCAN MATRIX

4. DISPLAY

The XE-A40S has an LCD display, 5 x 7 dots, 2 lines, at the front side

and a 7-digit LED at the pop-up side.

• Display DIGIT signal

The above ST0 ~ ST6 are display digit signals.

ST0: 1st digit ~ ST6: 7th digit

• Display SEGMENT signal

The LED segment signal is outputted by writing SEGMENT data in

the /CS3 space.

Correspondence of DATA ~ SEGMENT

D0 ~ D6 →A ~ g

D7 →DP

[6] POWER SUPPLY

[7] RE-WRITING FLASH MEMORY

[8] DRAWER

The XE-A40S has a 1 drawer port. (No open sensor is provided.)

The driving time for the DRAWER solenoid are as follows: 50ms (max)

45ms (min)

[9] PRINT RATE

384 dots/1 line

[10] A/D CONVERSION

The printer power supply voltage should be measured at more than 10

ms after the printer is turned ON.

[11] BUZZER

PIEZO type BUZZER

The oscillating frequency is 4.0kHz ±0.5kHz

[12] USB I/F

The XE-A40S is equipped with 1 USB port (slave) as a standard provi-

sion. By use of the USB general-purpose ASSP device M66291

(RENESAS), it sends and receives USB data. The M66291 is mapped

to the /CS1 area (28000H ~ 3FFFFFH). The CPU and the M66291 are

connected as shown in the figure below.

Access from CPU to M66291 : 28000H + Register Address (00~77H)

Input clock uses 24MHz.

[13] RESET

The RESET signal is generated when:

1) The mode key switch is turned from SRV to a position other than

SRV'(excluding OFF).

2) The power is turned ON more than 10 seconds after the power is

turned OFF. (The reset signal may not be issued if the POWER-

OFF time is short.)

3) The mode key switch is turned from OFF to a position other than

OF (excluding the SRV position). (If the power-off time is less than

5 seconds, the reset signal may not be issued.)

CPUSTOST1ST2ST3ST4ST5ST6ST7ST8ST9

MODE P90 SRV PGM Time REG MGR X1/Z1 X2/Z2

Others P91 PF-R PF-J RPE HEAD UP JPE DRAWER

OPEN

MRS RS/CI

IPL from EP-ROM: After IPL Short pin is set to VCC position the

program is started from EP-ROM by turning on

the power.

The program on EP-ROM is transferred to flash

ROM by switching the banks through S-RAM.

FRONT:

POP UP:

VLED

VCC 5.0V

VDD 5.0V

24V

BATTERY

TRANS. LM2574 +

power failure occurs..

PQ1CG2032

ON/OFF CONTROL

(MODE SW)

/POFF detection point

Measures should be taken to restore within 10 ms after a

No.

CPU PORT SIGNAL Application

19 P83 (INT1) /DREQUSE USB DMA CHANNEL 0 DMA

Request signal

18 P84 (INT2) /INTUSB USB Interrupt 0 Request signal

26 P74 /USBRST USB reset signal

CPU M66291

Vcc

A1~A6

D0~D7

CS1

WRL

WRH

INT2

INT1

/USBRST

1.0{F

27Ω

1.5kΩ

3.3V

USB Connector

Vbus

D+

D-

GND

IOVcc

D15/AD0

AD1~AD6

D0~D7

LWR

HWR/BYTE

INT0

Dreq0

Xin Xout

24MHz

D+

D-

CoreVcc

Vbus

TrON

XE-A40S

5 – 1

XE-A40S Service Manual

CHAPTER 5. DIAGNOSTIC PROGRAM

[1] TEST ITEMS

The test items are as follows:

* Starting DIAG

Mode switch: PGM

Key operation: Above code + “RCPT/PO” key

[2] DESCRIPTION OF EACH DIAG PRO-

GRAM

1. DISPLAY BUZZER TEST

1.1. Key operation

1.2. Test procedure

The decimal point on the LED and the cursor on the LCD will shift from

the lower digit to the upper digit in steps of 1 digit (every 200 msec)

After that, all segments will turn on (about 1 sec).

These two modes are repeated.

At the same time, the buzzer sounds continuously.

1.3. Check that:

• Each position is correctly displayed.

• The brightness of each number is uniform.

• The buzzer sound is normal.

1.4. End of testing

You can exit the test mode by pressing any key. The following is

printed.

2. KEY CODE

2.1. Key operation

2.2. Test procedure

2.3. Check that:

2.4. End of testing

You can exit the test mode by turning the mode switch to a position

other than the PGM mode. The printer prints as follows:

3. PRINTER TEST

3.1. Key operation

3.2. Test procedure

At the receipt side, the logo is also printed and the receipt is issued.

3.3. Check that:

The print is free from contamination, blur, and uneven density.

3.4. End of testing

The test will end automatically.

Code Description

1) 100 Display buzzer test

2) 101 Key code

3) 102 Printer test

4) 104 Keyboard test

5) 105 Mode switch test

6) 106 Printer sensor test

7) 107 Clock display test

8) 110 Drawer 1 open & sensor test

9) 120 External RAM test

10) 121 CPU internal RAM test

11) 130 FLASH ROM test

12) 160 AD conversion port test

13) 520 USB TEST

100 →RCPT/PO

1 0 0

DISP BUZZER PGM

0123456789ABCDEF

OP display

Rear display 4.5.6.7.8.9.0.

101 →RCPT/PO

KEY code: Every time a key is pressed, the hard code of that key

is displayed as a decimal number.

When a key is pressed twice or pressed in an incorrect

manner, --- will be displayed.

1 0 1

102 →RCPT/PO

KEY CODE PGM

OP display

KEY CODE

R/J PRINTER PGM

OP display

5 lines of 24 digits are printed.

Enlargement

XE-A40S

5 – 2

4. KEYBOARD TEST

4.1. Key operation

4.2. Test procedure

The keyboard is checked using the check sum code of the key code.

If the check sum code is not entered, the check is made using the

check sum code of the default keyboard arrangement.

The check sum data for each model is entered to the front 4 digits of

the DIAG code, and that data is compared with the key data added

until the final key (CA/AT) is pressed.

Both data are the same, the test ends, printing the number given

below.

If both data are different, the printer prints the error message.

4.3. Check:

• The content of completion print

4.4. End of testing

NOTE: Calculation of key check sum data

Hard codes (hexadecimal number) at the position (excluding

feed key) where there is an input data contact are added.

However, the final key (CA/AT) is not added.

This data to which hard codes have been added is converted

into a decimal number value, which will become the check

sum data that will be entered when DIAG is started.

5. MODE SWITCH TEST

5.1. Key operation

5.2. Test procedure

The above X must be read in the correct order. (If the contact is open,

9 will be displayed.)

5.3. Check:

The display during testing and the content of the completion print.

* At "OFF" position state, nothing is displayed after displaying 9.

5.4. End of testing

6. PRINTER SENSOR TEST

6.1. Key operation

6.2. Test procedure

Check the status of the paper end sensor and head up sensor.

6.3. Check the following

6.4. End of testing

You can exit the test mode by pressing any key and the printer prints

the following.

7. CLOCK TEST

7.1. Key operation

7.2. Test procedure

7.3. Check that:

"-" blinks and the clock counts up.

7.4. End of testing

When any key is pressed, the date and time are printed and the test

mode will be terminated.

_ _ _ _ 104 →RCPT/PO

↑

KEY check sum code

When the test ends normally: 104

When an error occurs: E – – – 104

105 →RCPT/PO

KEY BOARD PGM

OP display

KEY CODE

104

MODE

105

PGM

OP display

MODE: PGM_VOID_OFF_OP X/Z_REG_MGR_X1/Z1_X2/Z2__PGM

X:129 3456 7 1

When the test ends normally: 105

When an error occurs: E – – – 105

106 →RCPT/PO

X: 1 - Paper present at the receipt side

O - No paper at the receipt side

Y: 1 - Paper present at the journal side

O - No paper at the journal side

1 0 6

107 →RCPT/PO

R/J SENSOR PGM

OP display

106

TIM CHECK PGM

OP display

Hour

Blinks at an interval of 0.5 sec.

Min. Sec.

104

107 XXXXXX XXXXXX

year

month

day

hour

min.

sec.

XE-A40S

5 – 3

8. DRAWER 1 OPEN & SENSOR TEST

8.1. Key operation

8.2. Test procedure

8.3. Check that:

• The drawer 1 opens normally.

• Always displays O (Opened), because XE-A40S doesn't have an

open sensor.

8.4. End of testing

You can exit the test mode by pressing any key. The printer prints the

following.

9. EXTERNAL RAM TEST

9.1. Key operation

9.2. Test procedure

The standard 256 Kbyte RAM is checked.

The contents of memory must be stored before and after this test.

RAM (08000H ~ 27FFFH area and 30000H ~ 4FFFFH area) is tested

in the following procedure:

1) Store data in the test areas

2) Write "00H"

3) Read and compare "00H" and then write"55H"

4) Read and compare "55H" and then write "AAH"

5) Read and compare "AAH"

6) Restore stored data

If an error occurs at a step, the error is printed.

If any error does not occur, the following addresses are checked in

turns.

Addresses to be checked:

9.3. Check:

• The completion print.

9.4. End of testing

The program ends after printing as follows:

When an error occurs, the printer outputs the error message and the

address where the error has occurred in the area *****.

10. CPU INTERNAL RAM TEST

10.1. Key operation

10.2. Test procedure

The test program tests internal RAM (10 Kbytes) of the CPU.

The contents of memory must be stored before and after this test.

RAM (00400H ~ 02BFFH area) is tested in the following procedure.

1) Store data in the test area.

2) Write "00H"

3) Read and compare "00H" and then write "55H"

4) Read and compare "55H" and then write "AAH"

5) Read and compare "AAH"

6) Restore stored data

If an error occurs at a step, the error is printed.

If any error does not occur, the following addresses are checked in

turns.

Addresses to be checked:

10.3. Check:

The completion print.

10.4. End of testing

The test program ends after printing.

If an error occurs, the printer outputs the error message and the

address where the error has occurred in the area *****.

110 →RCPT/PO

1 1 0

120 →RCPT/PO

10000H , 10001H , 10002H , 10004H , 10008H ,

10010H , 10020H , 10040H , 10080H ,

10100H , 10200H , 10400H , 10800H ,

11000H , 12000H , 14000H , 18000H ,

20000H

30000H , 30001H , 30002H , 30004H , 30008H ,

30010H , 30020H , 30040H , 30080H ,

30100H , 30200H , 30400H , 30800H ,

31000H , 32000H , 34000H , 38000H ,

40000H

DRAWER PGM

OP display

X:O=DRAWER OPENED

C = DRAWER CLOSED

RAM PGM

OP display

120

When the test ends normally: 120

When the test end abnormally: Ex – – –

* * * * *

120

x = 1:Data error

x = 2:Address error

121 →RCPT/PO

01000H , 01001H , 01002H , 01004H , 01008H

01010H , 01020H , 01040H , 01080H ,

01100H , 01200H , 01400H , 01800H ,

02000H

When the test ends normally: 121

When the test end abnormally: Ex – – –

* * * * *

121

x = 1:Data error

x = 2:Address error

RAMCPU PGM

OP display

121

XE-A40S

5 – 4

11. FLASH ROM TEST

11.1. Key operation

11.2. Test procedure

The test program checks that the checksum of the flash ROM

(BANK0F80000H ~ FFFFFH).

The lower two digits of the check sum should be 10H.

11.3. Check:

The completion print.

11.4. End of testing

The test will automatically be terminated and the printer prints as fol-

lows:

12. AD CONVERSION PORT TEST

12.1. Key operation

12.2. Test procedure

The test program displays the voltage of each AD conversion port.

13. USB COMMUNICATION TEST 1(ID/Address print)

13.1. Key operation

13.2. Detail of the test

USB revision, Vendor ID, Product ID, and the device address assigned

by the host are printed.

13.3. Display print

13.3.1 Display

13.3.2 Print

* Only the journal side. The receipt side is not printed.

13.4. Test completion

After completion of printing, the test is terminated automatically.

[3] KEY CODE TABLE

130 →RCPT/PO

When the test ends normally: 130

ROM ******** (Model name)

******** (Version)

When the test ends abnormally: E – – ~ – – 130

ROM ******** (Model name)

******** (Version)

160 →RCPT/PO

520 →CH

ROMFLASH PGM

OP display

130

TM PGM

OP display

Display

160

VRF PGM

OP display

160

VPTEST PGM

OP display

160

End of testing

520

USB Rev. Ver. XXX

VENDOR ID 04DD (Device address)

PRODUCT ID 90B6 ←When the host is connected: 1

DEVICE ADDRESS X ←When the host is not connected: 0

OP display

520

USB T EST 1 PGM

033

032

038

039

CHECK SUM :

037

048

054

055

052

050

053

128

132

130

133

129

116

114

117

113

112

083

084

082

085

081

102

067

068

066

069

080

103

147

146

149

065

086

087

148

018

145

064

070

071

003

002

017

016

022

007

004

005

001

000

006

118

RF JF

4075

A40S

XE-A40S

6 – 1

XE-A40S Service Manual

CHAPTER 6. IPL FROM EP-ROM

Before working on the installation, unplug the AC cord from the AC

outlet.

1) Open the top cabinet.

2) Set the IPL Short PIN (SP1) to VCC position.

3) Install the IPL ROM to the IC socket of the MAIN PWB.

4) Turn the mode key switch to PGM position, and insert AC plug in

AC outlet.

5) The IPL procedure is started.

When the procedure is completed, the message of “Completed.” is

shown.

6) Unplug the AC cord from the AC outlet.

7) Remove the IPL ROM to the IC socket of the MAIN PWB.

8) Set the IPL Short PIN (SP1) to GND position.

9) Replace the top cabinet.

10)Perform a master reset.

At the PGM mode, while holding down Journal feed key and CL

key, insert AC cord in AC outlet.

P ROM COPY

Completed.

IPL Short PIN

GND

VCC

IPL ROM

1pin

***MRS.***

IPL Short PIN

GND

VCC

XE-A40S

7 – 1

XE-A40S Service Manual

CHAPTER 7. CIRCUIT DIAGRAM AND PWB LAYOUT

87654321

12345678

A A

87654321

12345678

A A

87654321

12345678

87654321

12345678

1/7CPU PWB UNIT

Vcc:20pin

GND:10pin

33pF*8(C1-C8)

33pF*8(C21-C28)

NOT USED

PLACE NEAR CPU!!!

NOT USED

10Kx5(R54-R58)

33pF*12(C9-C20)

NOT USED

330pFx3(C38-C42)

NOT USED

/CS2

/CS3

D[0..7]

A[0..19]

/KR0

/KR1

/KR2

/KR3

/KR4

/KR5

/KR6

/KR7

/RES

/CS2

A15

A14

A16

A13

A12

A14

A11A4

A15

A11

A5 A9

A10

A13

A12

/RES

P954

P964

A03,4,7

A13,4,7

A23,7

A33,7

A43,7

A53,7

A63,7

A73

JAS6

JBS6

VHCOM 6

/POFF 3

D03,4,7

D13,4,7

D23,4,7

D33,4,7

D43,4,7

D53,4,7

D63,4,7

D73,4,7

dp 2

DR1 2

/RESET2

/CS0 3

/WR 3,4,7

/RD 3,7

RAS6

RBS6

RCS6

RDS6

JCS6

JDS6

/CS3 4

SI 2

PCLK 2

TM6

VPTEST2

P944

P912,4,6

P902

/CS1 7

BA03

VREF6

IPLON3

/STRB32,6

/STRB22,6

/STRB12,6

/LATCH2

/STRB42,6

/DREQUSB 7

/INTUSB 7

/WR 3,4,7

/RAMCS 3

/KR[0..7] 2

/POFF 3

A18 3

A14 3

A11 3

A17 3

A10 3

A13 3

A16 3

A9 3

A12 3

A19 3

A15 3

A8 3

/USBRST 7

/FRES 3

/LE0W4

SO 2

VDD

VCC

VDD

VCC

VDD

VCC

VDD

VCC

VDD

VCC

VDD

VCC

VDD

VCC

C37

0.1uF

IC5

KIA7045F

C52

0.1uF

C114

1000pF

10K

R49 100

C43

(10uF/50V)

R37

10K

R41 100

10K

R43 100

R15

10K

R23 2.2K

R29

10K

CST12.0MTW

R67

33K

R61

10K

R48 100 C30

(30pF)

R53

10K

C55

(0.1uF)

10K

R10

10K

IC3

1MSRAM 70ns VHI621024M7-1

16 17

A16

A14

A12

I/O0

I/O1

I/O2

VSS I/O3

I/O4

I/O5

I/O6

T/O7

CS1

A10

A11

A13

CS2

A15

VCC

C23

C34

330pF

R72

10K

R24 2.2K

C56

(100pF)

C53

(10uF/50V)

R71

R16

10K

R52

10K

R11

10K

R30

10K

R47 100

R31

10K

C51

(30pF)

C28

R46 100

R36

10K

R25 2.2K

C3198

C33

(30pF)

C32

(30pF)

R62

10K

R69

470

10K

C45

0.1uF

C22

R50 100

R51

(10K)

(1SS355)

R40

10K

IC2

M30620SAF

100

AN7

AN6

AN5

AN4

AN3

AN2

AN1

AVSS

AN0

VREF

AVCC

SIN4

SOUT4

CLK4

TB4IN

TB3IN

SOUT3

SIN3

CLK3

BYTE

CNVSS

XCIN

XCOUT

RESET

XOUT

VSS

XIN

VCC

NMI

INT2

INT1

INT0

TA4IN/U

TA4OUT/U

TB3IN

TBEOUT

TA2INW

TA2OUTW

TA1IN/V

TA1OUT/V

TB5IN

TB5OUT

D10

D11

D12

D13

D14

D15

VSS

VCC

A10

A11

A12

A13

A14

A15

A16

A17

A18

A19

CS0

CS1

CS2

CS3

BHE

CBCLK

HLDA

HOLD

ALE

RDY

RTS0

CLK0

RXD0

TXD0

CLKS1

CLK1

RXD1

TXD1

IC1

74HC273

CLK

CLR

C31

(30pF)

R44 100

R32

10K

1SS355

R26 2.2K

C42

R17

10K

R12

10K

C27

C41

1SS355

10K

R60

10K

C40

R66 2.2K

C39

R73

(33)

C21

C36

(330pF)

R27 2.2K

R128

10K

R56

R39

10K

R57

R33

10K

R59

R68

330

IC4

1MSRAM 70ns VHI621024M7-1

16 17

A16

A14

A12

I/O0

I/O1

I/O2

VSS I/O3

I/O4

I/O5

I/O6

T/O7

CS1

A10

A11

A13

CS2

A15

VCC

R38

10K

R58R55

IC6

(FS781)

4 5

XIN

XOUT

LF VSS

FSOUT

VDD

1SS355

R18

10K

C26

C10

R74

(3.3K)

C11

B+

BZ1

PKM22EPPH4002-B0

C57

(330pF)

R28 2.2K

R13

10K

R45

10K

C12 C13

C49

10uF/50V

C48

27pF

C35

330pF

C44

(30pF)

C14

R70

330

32.768KHz

R21 2.2K

C15

C47

18pF

C46

1uF

R34

10K

C16

C38

C17 C18

R19

10K

C25

C19

R65

R42

10k

C4 C20C5

10K

C50

0.1uF

R14

10K

C6 C7

R64

R63

10K

R35

10K

R54

10K

R22 2.2K

X3 (CST12.0MTW)

C54

(10uF/10V,OS)

C29

0.1uF

R20

10K

C24

XE-A40S

7 – 2

87654321

12345678

A A

87654321

12345678

A A

87654321

12345678

87654321

12345678

2/7DRIVER PWB

DRAWER

STRAIGHT Type

RIGHT-ANGLE CON

KEY I/F

NOT USED

PRINTER I/F

JST

MOLEXNOT USED

NOT USED

PATTERN SHORT

/RESET

P90

P91

/KR0

/KR1

/KR2

/KR3

/KR5

/KR6

/VON

/S2

/S3

/S4

/S6

/KR4

/KR7

P91 1,4,6

/RESET 1

/S2 6

/S4 6

dp 1

/VON 5

P90 1

/S3 6

/S6 4

VJCOM 6

/JPFA 6

/JPFB 6

/JPFC 6

/JPFD 6

/JPES 6

VH 6

TM1 6

/STRB4 1,6

/STRB3 1,6

SO 1

SI 1

/LATCH 1

/STRB2 1,6

/STRB1 1,6

/RPES 6

VRCOM 6

/RPFA 6

/RPFB 6

/RPFC 6

/RPFD 6

PHUPS 6

VPTEST1

KS3 4

KS2 4

KS1 4

KS0 4

PCLK 1

DR11

/KR[0..7] 1

VH 6

VCC VLED

VCC

+24V

R76

16KF

(FB1)

FB6 CIM31J601NE

CN2

T_PRINT CN(40Pin)00 6229 640 003 800

FB3 CIM31J601NE

R77

3.6KF

CN4

(DR CN(3Pin)5046-03A)

1SR154-400

1SS355

T400mA/250V

2SD2170

R75

1.8K

CN1

KEY I/F RELAY CN(40Pin)40FE-BT-VK-N

FB4 CIM31J601NE

C60

10uF/50V

C58

0.1uF

FB2 CIM31J601NE

FB1 CIM31J601NE

CN3

DR CN(3Pin)5045-03A

1SS355

FB5 CIM31J601NE

C59

(0.1uF)

(FB2)

XE-A40S

7 – 3

87654321

12345678

A A

87654321

12345678

A A

87654321

12345678

87654321

12345678

3/7FLASH ROM

P-OFF

14Pin:VDD

*IC25 7Pin:GND

1 ROM COPY

NOT USED

A12

A11

A16

A10

A17

A18

A17

A12

A13

A11

A14

A15

A13

A18

A16

A15

A10

A14

BA01

A191

/CS01

D[0..7]1,4,7

A[0..19]1,4,7

/POFF 1

IPLON1

/WR1,4,7

/RD 1,7

/RAMCS 1

/FRES1

VDD

VCC

VCC VLED

VCC

+24V

VCC

VCC VCC

VDD

VCC VDD

VDD

IC25A

74LV11A

C61

10uF/50V

C63

(30pF)

C66

0.1uF

R130

10K

ZD1

UDZ5.1B

C64

0.1uF

IC10

IC SOCKET(4M ROM)

16 17

VPP

A16

A15

A12

GND D3

A10

A11

A13

A14

A17

A18/PGM

VCC

R84

56K

R83

2.7K

SP1

SHORTPIN

IC11B

BA10393F

IC11A

BA10393F

R81

3.9K

R85

10KF

C67

(1uF/50V)

R82

9.1KF

R86

6.2KF

C68

1000pF

IC25B

74LV11A

IC8

74LV138A

8 9

G2A

G2B

GND Y6

VCC

R79

10K

R80

47K

IC25C

74LV11A

R78

10K

R129

10K

C65

(0.1uF)

C62

0.1uF

IC9

4M FLASH ROM LH28F400BVE-TL85

24 25

A15

A14

A13

A12

A11

A10

WE#

RP#

VPP

WP#

RY/BY#

A17

A16

BYTE#

GND

DQ15/A-1

DQ7

DQ14

DQ6

DQ13

DQ5

DQ12

DQ4

VCC

DQ11

DQ3

DQ10

DQ2

DQ9

DQ1

DQ8

DQ0

A1 A0

CE#

GND

OE#

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