Sharp Pc-1246 User manual

•

Ba

s i

c

2

KB RAM

S

y

st

e

m

a

rea

:

0800H

-

OAFFH

U

ser

a

r

ea

:

OBOOH

-

OFFFH

•E

x

pan

sio

n

2KB RAM

(PC

-

1

2

4

7

on

l

y

)

Al

I

o

pen

for

u

se

r

ar

e

a

2000H

r------,

: :

2K

B

,

exp

a

n

sio

n

2

7FFHL----

-

'

(PC

-

1

2

47

o

n

l

y

)

~8

b

it-'1

o

_

sooHI

_

I

2

K

B

,

basic

1

0 FF

F

H

'---------'-

SHARP

CORPOR

A

TION

3

7FFH

I

J

r-10

bi

t

---i

MAIN

ROM

14K

s

tep

x 10

bi

t

(

17Kb

yte

s

)

[

CPU

interna

l

ROM

] [

E

x

t

e

rnal

RAM

]

OOOOH

....--

-

--~

3

.

MEMORY

MA

P

Auto

power

o

ff time

:

Approx

.

11

minutes

Options:

CE-124

,

C

E-125,

~E-126P

,

CE

-

152

16-characte

r

l

i

qu

i

d

c

ry

s

tal

dis

-

play

with

5

x

7

do

t

cha

r

act

e

rs

(LF7133E)

Character

dimension

s

:

4

.

5(H) x

2

.

7(W

)

mm

Character

pitch

:

3.45 mm

0

°

C

~

40

°

C

(32°

F

~

104

°

F)

6V DC

Lithium

c

ells

Type

:

CR-2032

App

rox

.

1000

h

o

u

r

s

(D

i

sp

l

ay: 55555555,

amb

ie

nt

tempe

r

ature

:

20

°

C

(

68

°

F

).

The

operating time

s

l

igh

t

ly

var

ie

s

depending upon the

use

of

battery.)

Battery

will

last

fo

r

a

pe

r

iod

of

2.4

m

o

nth

s

,

assuming

t

he

us

e

of

on

e

hour

a

day

w

h

i

c

h

consi

sts

of

10

m

i

nute

s

of

op

er

at

i

on or pro-

gram

e

x

ecution and 50

m

i

nut

e

s

of

d

i

splaying.

0.07

w

135(W) x 70(D) x 9.5(H )mm

5

-

5

/

16"(W) x

2

-

3

/

4"(D)

x3

/

8"(H)

95g

(with

cells)

Weight

:

Power

Consumption

:

Dimensions:

Operating Time:

Display:

~"'"'

0.01~~

o.~~~

w~

.

0

5

0.5

Operat

i

ng

Temperature

:

Powe

r

Supply:

PC-

1246

PC

-1

2

47

OOZPC12

4

7

SM

/

E

MODEL

CODE

Memory

P

r

otection

:

E

d

i

t

i

ng

F

e

atu

r

es

:

Basic

calculations

:

Add

i

t

i

on

,

s

ubst

r

act

i

on

multi

-

pl

i

cation, division

Funct

i

on calculations:

Trigonometric

and inverse

trigonometric

functions, loga-

t

i

thmic

and exponential func-

tions, angle

conversion

,

square

root, interger,

absolute

,

sign

operators

,

tt

.

Cursor

left

and right

(

>

,

<

)

r

character

inse

r

t

(INS)

,

character

delete

(DEL),

line up and

d

o

wn

(

i

.

t

)

Battery backup (the contents of

programme and its data

are

retained at

power

-

off.)

Operators:

10 stacks

5

stacks

16 stacks

8 stacks

Sub

-

rou

ti

ne:

For

-

Funct

i

o

n

:

Data

:

Stack

:

Programming Language:

CPU:

System ROM:

Memory

Capacity

:

Calculating System:

10 digits (mantissa)

+

2 digits

(exponent)

Algebric system

(with priority

judgement

function)

BASIC

4

bit

CMOS

17.4K bytes

System Area

About

0.5K bytes

Area dedicated

to

data

208 bytes

Program

/

data

area

1278 bytes (PC-1246),

3326 bytes (PC-1247)

Calculating Capacity:

2. SPECIFICATIONS

PR

I

NfUSJM;GOSUBRETIJRN

D

I

M

E

ND

CSAVE

C

LOAD P...+NP

0 0 ~ 0 ~ ~ ~

D

l

rnTER

I

S

P

C

INPUT

!

f

1HEN G01D FOR TO

STE

P

J\'EXT

L

I

ST

RUN

0

~

@.l0@JGJ

[TIIBJ(g~

!

!I #

$ ~

&

?

:

'

:

@J0000~

@l

[i]@J

0

D

E

G

RAD

G

RAD

RU

N

P

RO

S

HI

FT

E

I

B

US

Y

p DEF

P

O

WER

OF

F

C=:]

ON

~ [I] [I] ~

DE

L

I

NS

~ [3J [TI ~

POCKET

CO

MPUTER

SHARP

1. KEY LAYOUT

SHARP -

P

C

-1

246

SERVICE

MANLiAl

-2-

Pin Signal

In

/

Out Function

standby=

power

off

No. name

1

V1 In LCD

driv

i

ng power

2

V2 In LCD driving power

3 V3 In LCD driving Power

4 V4 In LCD

d

r

iving Power

5

V5 Out

E

x

pansion RAM chip

enable

,

normally high, (Not used

w

i

th the PC-1246.)

6 VDD Out LCD drive power, high during standby.

7

GND

In

Power supply

8

VGG

In

Power supply, normally low

9 X1 Out System clock oscillation

output

10 X2 In System clock oscillation

input

11

X3 Out

D

i

splay clock oscillation

output

12 X4

In

Display clock oscillation

input

13

K1

In

Key

input,

normally low

14 K2 In Key

input

,

normally low

15 K3 In Key

input

,

normally low

16 K4 In Key

input,

normally low

17

K5 Out (SEL2) Select signal

output

18 K6 Out (SEL

1)

Select signal

output

19 K7 In ACK

s

i

gnal. Enables the

1

/

0

(PCU)

to

read data

from

the

CPU

.

20 KB In Data

in

.

Serial data input

from

the PCU

(bit

-

to-bit

serial handshake)

21

RESET

I

n

Reset

input,

normally pulled down to low level. Reset when high.

22 Cl

In

Option cassette tape recorder interface

input

23

co

Out Option cassette tape recorder interface

signal

/

buzzer signal

output

24

R

/

W Out Write clock, normally high

25

DI01

In

/

Out Data bus, normally low

I I

2

32 DIOB

In

/

Out Data bus,

normally

low

33

B1

Out Address

bus

,

low during

standby

.

Also

,

used

for

periphe

r

al

data

output port

(Dout).

2 2

43 B11 Out Address

bus

,

low during

standby

.

Also, used

for

peripheral data

output port

(Dout)

.

44 B12 Out Basic RAM chip enable

45 B13 Out Busy interface

output port

46 S40 Out LCD segment

signal

/

key

strobe

,

low or high during standby and 4-level pulse during

d

i

splay.

2

'

2

I

2

85

S1

Out LCD segment

signal

/

key

strobe

,

low or high during stnadby and 4-level pulse during

display

.

86 H16 Out LCD backplate

s

i

gnal

,

low or high during standby and 4-level pulse during display.

2 2 2 2

100

H1

Out LCD backplate

signal

,

low or high during standby and 4-level pulse during display.

•

CPU signal

descr

i

ption

A

100

-

,

4-bit, microprocessor

used

in this model

has

a

17KB ROM and display chip

within

the

chip

.

What

it

differs

from

the

conventional microprocessor

is

that

i

t

has

no iternal RAM but

uses

an external RAM

for

execut

i

on.

4.CPU(SC61720D03)

-

PC-1246

PC-1247

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-

-------_J

59

58

57

56

55

54

53

52

-~-

51

---

517

518

519

520

540

539

538

537

536

535

534

533

532

531

500

529

528

527

526

525

524

523

5:<2

HW--

------

-

---

-

------

--

-

-,

H

l

----

-

-----

--

-

--

---,

I

H2

--

-

----

-

----

---

-

--,

I

H3

·---

-

---

------

--

-.,..

,

I I

:

H4

------

-

---

-

----

-

,

I I I I

H5

--

-

-------

-

----,

I

I : :

I

H6

---

--

---------

1

I I I I

I

H7

·

--

----------,

I I : : I I

i

51

~

52

I

53

I

54

I

55

56

57

58

59

510

5

ll

512

513

514

1

0. LCD(LF7133E)

9-6.

Auto-power-off

check

Display must not

go

out

within

8 minutes but should go

out within

14 minutes.

9-4.

At

a

time

of

battery replacement

After

replacement of the

b

a

ttery, turn

pow

er on

a

n

d

push

the RESET

switch

.

9

-

3. RAM capacity check

Turn the slide switch

ON

,

pus

h

the

I

MODE

I

switc

h

to

go

into

the PRO mode. Enter

[NJ

[EJ

[WJ

[QJ

I

ENTER

I

and

[MJ

~

[ENTER]

to

have the

following

fig

ure on

the displav.

PC-1246

: 1

278

PC-1247

:

3326

+

Short

or

op

e

n

ON

with

GND

'\__J

O

N

G

N

D

At

the

t

i

me

of

on

w

i

th the

sl

i

de switch

a

t"

ON position

115µA at

V

G G

=

-0.6V,

m

axim

u

m

9-2. On current check

DC

r

egul

a

tor

circui

t

+

Shortthe OFF Pad

with

B11pad

GND

\___J

OF

F

Bll

A

t

the

t

i

me

of off

w

i

th

t

he

sl

i

de

s

w

i

tch at

OF

F

po

s

i

t

ion

7µA at

VGG

=

-

6

.

0V

,

maximum

9-1

.

Off

current check

-

PC-1246

PC-1247

9. CHECKITEMSANDCAUTIONS

-

12

-

NO.

PARTS CODE

PR

ICE

N

EW

P

AR

T

DESCRIPT

I

ON

PC

1246

P

C1247

RA

N

K

M

A

R

K

RANK

1

LPL

T

P

1

2

C

ZZ

AA

D

Ten

p

late

0 0

TiNS

J4

326CCZZ AT

N D

I

ns

t

r

u

c

t

ion book

(

J

a

p

an

)

0

2

T

iNSG4

330

CC

ZZ

A

K

N

D

In

s

t

r

uction book (G)

(

G

e

rm

a

ny

)

0 0

Ti

NSE

4328

C

CZ

Z

AR

N

D

In

s

truc

t

i

on book

(

E

l

(

O

the

r

countr

i

e

s)

0 0

3

TL

S

T

S

1

0

0 6

CC

Z

AA

D

S

ervice list (Jaoan

t

voe onlv)

0

4

SPAKA

8990

CCZZ

A

E

N D

P

ackin

g

c

u

shio

n

for

se

t

0 0

SPAKC

899

1CCZ

Z

AD

N D

P

acking case

(

J

apan)

0

5

SPAKC

8993C

C

ZZ

AD

N D

P

ackin

g

c

a

se

(

O

t

h

er

co

unt

ries)

0

S

PAK

C

0

82

ACCZZ AD

N

D

P

ackin

z

c

a

se

0

~

Accessory

NO

.

PART

S

COD

E

PRICE NEW PART

DESCRIPTION

P

C12

46

PC1

24

7

RANK

M

A

RK

RANK

1

PZETL1313CCZZ AA

c

Sp

ac

er

(

Rou

nd)

0 0

2

PZ

ETL1

3

53CCZZ AA

c

S

pa

cer

(Squ

are)

0

3

QCNCW1306CC

1

B

AK

c

Con

n

ec

to

r

Cl

Z

o

in)

0 0

4

QCNTMl

0 5

l

CCZZ

A

B

c

R

e

s

et

t

e

rmin

a

l

0 0

5

QTANZ

1

2

8

9CCZZ AB

c

B

a

t

tery

t

e

r

m

i

na

l

0 0

6

RC-CZ1021CCZZ AB

c

C

a

p

acitor

(

0

.

1

u

F

)

[

C

3

,

5

,

6

,

9

,

l

0

,

1 1

]

0 0

7

RC-CZ10

3

5CCZZ AC

c

C

a

pa

ci

t

o

r

(1

OOpF

)

[

Cl

,

2

]

0 0

8

RC

-

CZ10

37

C

CZZ AB

c

C

a

p

aci

t

o

r

(

O

.

Olu

F

)

[C8

]

0 0

9

RC-CZ1

0

47

CCZZ AB

c

Ca

pacitor

(

0

.

033u

F)

[

C7]

0 0

1

0

R

C-

EZ

22

6BCC

O

J

AD

c

Ca

p

aci

t

o

r

(6

.

3WV

22u

F

l

[

C4

]

0 0

11

RC

RM

-

1

0 0

1

CC

Z

AF

N

B

C

rv

s

t

a

l

(10

2

4KH

zl

[

X

l

]

0 0

1

2

RH

-

DZ

1

00

8

CCZZ AC

B

Diod

e

(DAN

20

2)

[

Dl

,2

3] 0 0

13

RH-TX1017CCN1 AB

B

Tran

s

i

s

tor

(

2SA1179

)

[

TRl

]

0 0

14

RVR-Z

2

400QCZZ

A

F

B

V

ar

i

a

ble

re

sis

t

o

r

(2

0K

O)

[

VR]

0 0

15

VHiHM

6

116

//-

C

AZ

B

IC

(

HM6116

)

[

ICl

2

]

0 0

16

VHiSC6

1

720

D0

3

BE

N

B

IC

(

SC61

720

D0

3

l

[

LSll

]

0 0

17

VRS

-

TP

2

BD105J AA

c

R

es

i

sto

r

(1

/

8W

I.

OM

O

±5%)

[

R8

]

0 0

1

8

VRS-TP

2

BD

1

3

5J AA

c

R

es

i

s

t

o

r

(1

/

8

W

l.

3M

O

±5

%

)

[

R

7] 0 0

1

9

VRS

-

TP

2

BD1

83

J

AA

c

R

es

i

sto

r

(1

/

8W

1

8K

O

±

5

%)

[

R5

,

6] 0 0

2 0

VRS-TP

2

BD1

8

4J AA

c

R

e

s

i

s

t

o

r

Cl

/

8W 18

0K

O

±

5%)

[

R9]

0 0

2

1

VRS

-

TP2

B

D

22

0J AA

c

R

esi

s

to

r

(

1

/

8

W

2

0

±

5

%)

[

R

l] 0 0

22

VRS

-

TP

2

BD335J AA

c

R

es

i

sto

r

(l

/

8

W

3

.

3M

O

±5%)

[

Rl0

,

11

]

0 0

23

VRS-TP2BD47

2

J

AA

c

R

esisto

r

(1

/

8W

4

.

7

K

O

±

5

%)

[

R2

14]

0 0

2

4

V

R

S-T

P

2

BD4

73

J

AA

c

R

es

istor

(l

/

8W

4

7K

O

±5%

)

[

R

3] 0 0

2 5

VR

S

-

TP

2

B

D

56

3

J

AA

c

R

esi

s

tor

(l

/

8W 56KO

±

5

%)

[R4] 0 0

2

6

RH-T

X

1012

CCZZ AC

B

Tr

a

nsi

s

tor

(

2SC

2

81

2)

[

TR

2

]

0

2

7

VRS

-

T

P

2

B

D104J AA

c

R

esis

t

o

r

(l

/

8W

lOOK

O

±

5

%

)

[

R

1213] 0

(Unit)

901

D

U N

T

K

8

2

1

7 C

C

Z Z

BP

N

g

M

a

i

n

P

W

B

uni

t

0

D

UNTK83

1

3CCZZ BS

N

E

M

a

i

n

PW

B

u

nit

0

[I]

E

l

ectronic parts

NO

.

PAR

T

S

CODE

PR

I

C

E

NEW PART

DESCRIPTION

PC

12 4

6

PC

1

2

47

RANK MARK RANK

1

X

BSS

C2

0P

0800

0

AA

c

S

crew

(2

X

8)

0 0

2

HD

E

C

A

2 0

8

2

CC

2

1

A

F

N D

B

o

tt

o

m

p

ane

l

0

HDE

C

A

2 0

82CC22 AF

N

D

B

o

tt

o

m

p

anel

0

3

P

ZETL15

5

6CCZ

Z

AA

N

c

B

o

tt

o

m

pane

l

shee

t

0 0

4

QT ANZ 14

0

6CCZZ AB

c

B

a

tt

erv

termi

nal

(

EB8

)

0 0

5

X

USSD

2

0P0

80

00 AA

c

S

c

r

e

w

(

2

X

8

)

0 0

6

LCHSS1

1

6

8

CCZZ AE

N

c

Cha

ssis

(J

a

pan

)

0

LCHSS1168CC

0

1

AE

N

c

Chas

sis

(

Other

co

untrie

s)

0 0

7

DU

N

TK

82

17CCZZ BP

N

E

M

a

in

PW

B

un

i

t

0

D

UNT

K

83

13CCZZ BS

N

E

Main PWB unit

0

8

PGUMS1564CCZZ AB

N

c Rubber

co

nn

ec

to

r

0 0

9

PSPA

P

1271CCZZ AA

N

c LCD

s

p

ac

e

r

0 0

10

VV

LL

F

7133E

/

-l AR

N

B

LCD

0 0

11

RA

LM

B1030CCZZ AD

B

Buzzer

0

1

2

PSLDP1486CCZZ AB

N

D

is

p

l

a

y

fil

t

e

r

0 0

13

PF

i

L

V15

2

6CCZZ AC

N

c

Po

l

ar

i

zed

filte

r

0 0

1

4

PGUMM1559CCZZ AL

N

B

Ke

v

r

u

bbe

r

0 0

1

5

QCNTM1042CCZZ AA

c Slide

s

w

i

t

c

h

termina

l

0 0

16

MSLi

P

1033CCZ

Z

AB

N

c

Sl

i

d

e

switch slider

(

J

apan)

0

M

S

Li

P

103

3

CC01 AB

N

c

S

li

d

e

s

w

i

tch

s

l

i

der (Other

countri

es)

0 0

DUNTG

8

215CCZZ

AM

N D

Top

c

abinet

(Ja

p

an)

0

1

7

DUNTG

8

21

6CCZZ

AM

N D

Top

ca

binet

(O

t

her countries)

0

DUNTG

8

3

1

2CCZZ

AM

N

D

Top

c

abin

e

t

0

1

8

GCASP

1

099CC

ZZ

AE

D

Ha

r

d

c

a

s

e

7

0ther

co

u

ntries)

0 0

GCASP1099CC0

2

AH

D

Ha

r

d

ca

se

(Jaoa

n

)

0

1

9

TLABH

2

095CCZZ AC

N

c

Op

e

r

a

t

ion

lab

e

l

(Japan

)

0

TLABH2096CCZZ AC

N

c Operation

l

a

bel

(Other

countrie

s)

0 0

2 0

PTPEH121

3

CCZZ AB

c

Ta

Pe

0

11.

PARTS

LIST

&

GUIDE

[I] Exteriors

1

8

14

-

13

-

19 17

-

PC-1246

PC-1247

I

ERRO

R GUI

DE

I

1

I I

i

I I

\

'

,

\

18

8~~

~

9

10

9

7

2

SHARP CORPORATION

Industrial Instruments Group

Quality

&

Reliability

Control Center

Yamatokoriyama

,

Nara

639

-

11

,

Japan

1

9

84

D

ecembe

r

P

r

i

nt

ed

i

n

Japa

n

®

SHARP

-

PC

-

1246

PC

-

1

24

7

Sharp PC-1246 User manual

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