Abov MC96F6432S Series User manual

CMOS single-chip 8-bit MCU
with 12-bit A/D converter and
LCD driver
MC96F6432S
User’s manual
Main features
8-bit Microcontroller With High Speed 8051 CPU
Basic MCU Function
–32Kbytes Flash Code Memory
–1024bytes SRAM
Built-in Analog Function
–Power-On Reset and Low Voltage Detect Reset
–Internal 16MHz RC Oscillator (±1.5%, TA= 0 ~ +50°C)
–WatchdogTimer RC Oscillator (5kHz)
Peripheral Features
–12-bitAnalog to Digital Converter (16inputs)
–USI (USART + SPI + I2C) 2sets
–LCD Driver (21segments x 8commons)
I/O and Packages
–Up to 42 programmable I/O lines with 44 MQFP-1010
–32 LQFP
–32/28 SOP, 28 TSSOP
Operating Conditions
–1.8V to 5.5V Wide Voltage Range
–-40°C to 85°C Temperature Range
Application
–Small HomeAppliance
–BLDC Motor Controller
V 1.9
Revised 22 June, 2018

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MC96F6432S
ABOV Semiconductor Co., Ltd.
Revision history
Version
Date
Revision list
0.0
2012.08.24
Published this book.
1.0
2013.05.22
―
1.1
2014.01.22
Add Recommended Circuit and Layout
Add the description of IFR
Fix the byte count of instruction “DJNZ Rn,rel”
1.2
2014.07.08
Add package of 28TSSOP, “MC96F6332SR”.
Add note of ADC in Electrical Characteristics, “When AVREF is lower than 2.7V,
the ADC resolution is worse.”
Change “Read Protection”to “Code Read Protection”in Configure Option
Change “Hard-Lock”to “Code Write Protection ”in Configure Option
Change “RESETB Select”to “Select RESETB pin”in Configure Option
Change “Protection Area”to “Specific Area Write Protection”in Configure
Option.
Add note of “Specific Area Write Protection”in Configure Option, “When PAEN
= ‘1’, it is applied.”
1.3
2014.11.05
Add Contents of Flash, “Protection for Invalid Erase/Write”
1.4
2015.04.23
Change contents of Interrupt sequence flow.
Add a note at P0, P1, P2, P3, P4, P5, EIFLAG0 register description and SFR
map.
Change a Figure 11.53 A/D Analog Input pin with Capacitor in12-Bit A/D
Converter.
1.5
2015.05.11
Add a chapter “17.3 ESD Test Method”.
1.6
2015.12.09
Add package of 32-LQFP, “MC96F6332SL”
1.7
2016.04.06
Add Flash Data Retention Time in Chapter 7.15 Internal Flash Rom
Characteristics
Add a chapter 7.23 Recommended Circuit and Layout with SMPS Power.
Modify the program tips in Chapter 15. Flash Memory.
Add an appendix about “Flash Protection for invalid Erase/Write”
1.8
2017.02.01
Added the note on the flash memory erase and write in Chapter 15. Flash
Memory.
Updated OCD dongle image and writing tool images in Chapter 1.3
Development tools.
Fixed typos of USI Status Register in Chapter 11.12 USI(UART + SPI + I2C).
1.9
2018.06.22
Revised this book.
Fixed typos.
Updated All Package Diagram.
Version 1.9
Published by FAE team
2018 ABOV Semiconductor Co. Ltd. all rights reserved.
Additional information of this manual may be served by ABOV Semiconductor offices in Korea or distributors.
ABOV Semiconductor reserves the right to make changes to any information here in at any time without notice.
The information, diagrams and other data in this manual are correct and reliable;
however, ABOV Semiconductor is in no way responsible for any violations of patents or other rights of the third
party generated by the use of this manual.

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MC96F6432S
ABOV Semiconductor Co., Ltd.
1 Overview
1.1. Description
The MC96F6432S is an advanced CMOS 8-bit microcontroller with 32Kbytes of FLASH. This is powerful
microcontroller which provides a highly flexible and cost effective solution to many embedded control applications. This
offers the following features: 32Kbytes of FLASH, 256bytes of IRAM, 768bytes of XRAM, general purpose I/O, basic
interval timer, watchdog timer, 8/16-bit timer/counter, 16-bit PPG output, 8-bit PWM output, 10-bit PWM output, watch
timer, buzzer driving port, SPI, USI, 12-bit A/D converter, LCD driver, on-chip POR, LVR, LVI, on-chip oscillator and
clock circuitry. The MC96F6432S also supports power saving modes to reduce power consumption.
Device Name
FLASH
XRAM
IRAM
ADC
I/O PORT
Package
MC96F6432SQ
32Kbytes
768bytes
256bytes
16inputs
42
44 MQFP
MC96F6332SL
12inputs
30
32 LQFP
MC96F6332SD
12inputs
30
32 SOP
MC96F6332SM
11inputs
26
28 SOP
MC96F6332SR
11inputs
26
28 TSSOP
Table 1.1 Ordering Information of MC96F6432S

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ABOV Semiconductor Co., Ltd.
1.2 Features
CPU
–8-bit CISCcore (M8051, 2 clocks per cycle)
ROM (FLASH) Capacity
–32Kbytes Flash with self-read and write capability
–In-System Programming(ISP)
–Endurance : 100,000times
–Retention : 10 years
256bytes IRAM
768bytes XRAM
–(27bytes including LCD display RAM)
General Purpose I/O (GPIO)
–Normal I/O : 9ports (P0[2:0], P5[5:0])
–LCD shared I/O : 33ports (P0[7:3], P1, P2, P3, P4)
Timer/Counter
–Basic Interval Timer (BIT) 8-bit × 1-ch
–Watch Dog Timer (WDT) 8-bit × 1-ch
–5kHz internal RC oscillator
–8-bit × 1-ch (T0), 16-bit × 2-ch (T1/T2)
–8-bit × 2-ch (T3/T4) or 16-bit × 1-ch (T3)
Programmable Pulse Generation
–Pulse generation (byT1/T2)
–8-bit PWM (byT0)
–6-ch 10-bit PWM for Motor (byT4)
Watch Timer (WT)
–3.91ms/0.25s/0.5s/1s /1min interval at 32.768kHz
Buzzer
–8-bit × 1-ch
SPI 2
–8-bit × 1-ch
USI0/1 (UART + SPI + I2C)
–8-bit UART × 2-ch, 8-bit SPI × 2-ch and I2C × 2-ch
12-bit A/D Converter
–16 Input channels
LCD Driver
–21segments and 8common terminals
–Internal or externalresistor bias
–Two Internal Resistors Selectable
–1/2, 1/3, 1/4, 1/5, 1/6 and 1/8 duty selectable
–Resistor Bias and 16-step contrast control
Power On Reset
–Reset release level (1.4V)
Low Voltage Reset
–14 levels detect
(1.60/ 2.00/ 2.10/ 2.20/ 2.32/ 2.44/ 2.59/ 2.75/ 2.93/
3.14/ 3.38/ 3.67/ 4.00/ 4.40V)
Low Voltage Indicator
–13 levels detect
(2.00 / 2.10/ 2.20/ 2.32/ 2.44/ 2.59/ 2.75/ 2.93/ 3.14/
3.38/ 3.67/ 4.00/ 4.40V)
Interrupt Sources
–External Interrupts
–(EXINT0~7, EINT8, EINT10, EINT11, EINT12) (12)
–Timer(0/1/2/3/4) (5)
–WDT (1)
–BIT (1)
–WT (1)
–SPI 2 (1)
–USI0/1 (6)
–ADC (1)
Internal RC Oscillator
–Internal RC frequency: 16MHz ±1.5% (TA= 0 ~ +50°C)
Power Down Mode
–STOP, IDLE mode
Operating Voltage and Frequency
–1.8V~ 5.5V (@32 ~ 38kHz with Crystal)
–1.8V~ 5.5V (@0.4 ~ 4.2MHz with Crystal)
–2.7V~ 5.5V (@0.4 ~ 10.0MHzwith Crystal)
–3.0V~ 5.5V (@0.4 ~ 12.0MHz with Crystal)
–1.8V~ 5.5V (@0.5 ~ 8.0MHz with Internal RC)
–2.0V~ 5.5V (@0.5 ~ 16.0MHz with Internal RC)
–Voltage dropout converter included for core
Minimum Instruction Execution Time
–125ns (@16MHz main clock)
–61us (@ 32.768kHz sub clock)
Operating Temperature
––40 ~ +85℃
Oscillator Type
–0.4 - 12MHz Crystal or Ceramic for main clock
–32.768kHz Crystal for sub clock
•Package Type
–44 MQFP-1010
–32 LQFP, 32 SOP
–28 SOP, 28 TSSOP
–Pb-free package

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MC96F6432S
ABOV Semiconductor Co., Ltd.
1.3 Development tools
1.3.1 Compiler
ABOV Semiconductor does not provide compiler. It is recommended that you consult a compier provider.
The MC96F6432S core is Mentor 8051, and the ROM size is smaller than 64Kbytes.Therefore, developer can use the
standard 8051 compiler from other providers.
1.3.2 OCD(On-chip debugger) emulator and debugger
The OCD (On Chip Debug) emulator supports ABOV Semiconductor’s 8051 series MCU emulation.The OCD interface
uses two-wire connection between PC and MCU which is attached to user’s system. The OCD can read or change the
value of MCU internal memory and I/O peripherals. And the OCD also controls MCU internal debugging logic, it means
OCD controls emulation, step run, monitoring, etc.
The OCD debugger program works on Microsoft-Windows NT, 2000, XP, Vista (32-bit) operating system.If you want to
see more details, please refer to OCD debugger manual. You can download debugger S/W and manual from our web-
site (http://www.abov.co.kr).
Connection:
−DSCL(MC96F6432 P01 port)
−DSDA(MC96F6432 P00 port)
NOTE) 1. MC96F6432S does not support the OCD function. MC96F6432 should be used for debugging.
OCD connector diagram: Connect OCD with user system
Figure 1.1 Debugger(OCD1/OCD2) and Pin description
Subject
MC96F6432S
MC96F6432 (Evaluation chip)
Internal LCD bias dividing resistor
(Chapter 11.15 –LCD driver)
60kΩ and 120kΩ selectable
–Added the IRSEL bit in the LCDCRL register
–Added LCD contrast formula with 120kΩ
60kΩonly
Full-flash erase mode method
(Chapter 15 –Flash memory)
Sector erase mode
Sector and byte erase mode
Table 1.2 Difference between MC96F6432S and evaluation chip (MC96F6432)
2
User VCC
1
3
4
5
6
7
8
10
9
User GND
DSCL
DSDA

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MC96F6432S
ABOV Semiconductor Co., Ltd.
1.3.3 Programmer
Single programmer:
E-PGM+ : It programs MCU device directly.
Figure 1.2 E-PGM+(Single writer)

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MC96F6432S
ABOV Semiconductor Co., Ltd.
Gang programmer: E-GANG4 and E-GANG6
- It can run PC controlled mode.
- It can run standalone without PC control too.
- USB interface is supported.
- Easy to connect to the handler.
Figure 1.3 E-GANG4 and E-GANG6 (for Mass Production)

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ABOV Semiconductor Co., Ltd.
1.4 MTP programming
1.4.1 Overview
The program memory of MC96F6432S is MTP Type. This flash is accessed by serial data format. There are four
pins(DSCL, DSDA, VDD, and VSS) for programming/reading the flash.
Table 1.3 Descriptions of pins which are used to programming/reading the Flash
1.4.2 On-Board programming
The MC96F6432S needs only four signal lines including VDD and VSS pins for programming FLASH with serial
communication protocol. Therefore the on-board programming is possible if the programming signal lines are ready at
the PCB of application board is designed.
1.4.2.1 Circuit Design Guide
At the FLASH programming, the programming tool needs 4 signal lines that areDSCL, DSDA, VDD, and VSS. When
you design the PCB circuits, you should consider the usage of these signal lines for the on-board programming.
Please be careful to design the related circuit of these signal pins because rising/falling timing of DSCL and DSDA is
very important for proper programming.
Pin name
Main chip
pin name
During programming
I/O
Description
DSCL
P01
I
Serial clock pin. Input only pin.
DSDA
P00
I/O
Serial data pin. Output port when reading and input port when programming.
Can be assigned as input/push-pull output port.
VDD, VSS
VDD, VSS
-
Logic power supply pin.

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ABOV Semiconductor Co., Ltd.
To application circuitDSCL(I)
DSDA(I/O)
R1 (2kΩ~ 5kΩ)
To application circuit
R2 (2kΩ~ 5kΩ)
VDD
VSS
E-PGM+, E-GANG4/E-GANG6
NOTE) 1. In on-board programming mode, very high-speed signal will be provided to pin DSCL and DSDA.
And it will cause some damages to the application circuits connected to DSCL or DSDA port if the
application circuit is designed as high speed response such as relay control circuit. If possible, the
I/O configuration of DSDA, DSCL pins had better be set to input mode.
2. The value of R1 and R2 is recommended value. It varies with circuit of system.
Figure 1.4 PCB design guide for on board programming

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MC96F6432S
ABOV Semiconductor Co., Ltd.
2 Block diagram
XRAM
768B
IRAM
256B
Flash
32KB
ISP
In-system programming
Power control
Power on reset
Low voltage reset
Low voltage indicator
Power down mode
Clock generator
16MHz, Internal RC OSC
12MHz, Crystal OSC
32.768kHz, Crystal OSC
LCD driver
21 segments
Buzzer
1 channel, 8-bit
UART
2 channels, 8-bit
SPI
3 channels, 8-bit
I2C
2 channels, 8-bit
CORE
M8051
General purpose I/O
9 ports normal I/O
33 ports LCD shared I/O
Watchdog timer
1 channel, 8-bit
5kHz, internal RC OSC
Basic interval timer
1 channel, 8-bit
Timer / Counter
1 channel, 8-bit
2 channels, 16-bit
2 channels, 8-bit
or 1 channel, 16-bit
ADC
16 Input channels, 12-bit
PWM
6 channels
Figure 2.1 Block diagram of MC96F6432S

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ABOV Semiconductor Co., Ltd.
3 Pin assignment
MC96F6432SQ
(44MQFP-1010)
1
2
12 13
8
9
10
11
3
4
5
6
7
14 15 16 17 18 19 20 21 22
33
32
26
25
24
23
31
30
29
28
27
44 43 42 41 40 39 38 37 36 35 34
P55/RESETB
P40/VLC3/RXD0/SCL0/MISO0
P41/VLC2/TXD0/SDA0/MOSI0
P52/EINT8/EC0/BLNK
P05/SEG24/AN3/EINT3/PWM4BB
P04/SEG25/AN2/EINT2/PWM4BA
P54/SXOUT/EINT10
P53/SXIN/T0O/PWM0O
P11/SEG15/AN12/EINT12/T2O/PWM2O
P12/SEG16/AN11/EINT11/T1O/PWM1O
P17/SEG21/AN6/EINT6/SS2
P07/SEG22/AN5/EINT5/PWM4CB
P15/SEG19/AN8/MISO2
P16/SEG20/AN7/EINT7/SCK2
P13/SEG17/AN10/EC1/BUZO
P14/SEG18/AN9/MOSI2
P06/SEG23/AN4/EINT4/PWM4CA
P25/SEG8 P24/SEG9 P23/SEG10 P22/SEG11/SS1 P21/SEG12/AN15/SCK1 P20/SEG13/AN14/TXD1/SDA1/MOSI1 P10/SEG14/AN13/RXD1/SCL1/MISO1 P27/SEG6 P26/SEG7 P31/COM6/SEG4 P30/COM7/SEG5
P51/XIN
P50/XOUT
P02/AN0/AVREF/EINT0/T4O/PWM4AA
P01/T3O/DSCL
P00/EC3/DSDA
VDD
P03/SEG26/AN1/EINT1/PWM4AB
VSS
P32/COM5/SEG3
P33/COM4/SEG2
P37/COM0
P36/COM1
P35/COM2/SEG0
P34/COM3/SEG1
P42/VLC1/SCK0
P43/VLC0/SS0
NOTE) 1. The programmer (E-PGM+, E-Gang4/E-Gang6) uses P0[1:0] pin as DSCL, DSDA.
Figure 3.1 MC96F6432SQ 44MQFP-1010 pin assignment

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ABOV Semiconductor Co., Ltd.
MC96F6332L
(32-LQFP)
1
2
9
10
8
3
4
5
6
7
11 12 13 14 15 16
24
23
17
22
21
20
19
18
32 31 30 29 28 27 26 25
P55/RESETB
P40/VLC3/RXD0/SCL0/MISO0
P41/VLC2/TXD0/SDA0/MOSI0
P52/EINT8/EC0/BLNK
P05/SEG24/AN3/EINT3/PWM4BB
P04/SEG25/AN2/EINT2/PWM4BA
P11/SEG15/AN12/EINT12/T2O/PWM2O
P12/SEG16/AN11/EINT11/T1O/PWM1O
P07/SEG22/AN5/EINT5/PWM4CB
P13/SEG17/AN10/EC1/BUZO
P06/SEG23/AN4/EINT4/PWM4CA
P22/SEG11/SS1 P21/SEG12/AN15/SCK1 P20/SEG13/AN14/TXD1/SDA1/MOSI1 P10/SEG14/AN13/RXD1/SCL1/MISO1 P27/SEG6 P26/SEG7 P31/COM6/SEG4 P30/COM7/SEG5
P51/XIN
P50/XOUT
P02/AN0/AVREF/EINT0/T4O/PWM4AA
P01/T3O/DSCL
P00/EC3/DSDA
VDD
VSS
P32/COM5/SEG3
P33/COM4/SEG2
P42/VLC1/SCK0
P53/SXIN/T0O/PWM0O
P54/SXOUT/EINT10 P03/SEG26/AN1/EINT1/PWM4AB
NOTE) 1. The programmer (E-PGM+, E-Gang4/E-Gang6) uses P0[1:0] pin as DSCL, DSDA.
2. The P14-P17, P23-P25, P34-P37 and P43 pins should be selected as a push-pull output or an
input with pull-up resistor by software control when the 32-pin package is used.
Figure 3.2 MC96F6332SL 32LQFP pin assignment

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MC96F6432S
ABOV Semiconductor Co., Ltd.
1
2
13
14
15
16
8
9
10
11
12
3
4
5
6
7
20
19
18
17
25
24
23
22
21
30
29
28
27
26
32
31
P22/SEG11/SS1
P01/T3O/DSCL
P00/EC3/DSDA
P03/SEG26/AN1/EINT1/PWM4AB
P02/AN0/AVREF/EINT0/T4O/PWM4AA
P51/XIN
P52/EINT8/EC0/BLNK
P53/SXIN/T0O/PWM0O
P54/SXOUT/EINT10
VSS
P26/SEG7 P21/SEG12/AN15/SCK1
P20/SEG13/AN14/TXD1/SDA1/MOSI1
VDD
P50/XOUT
P55/RESETB
P40/VLC3/RXD0/SCL0/MISO0
P41/VLC2/TXD0/SDA0/MOSI0
P32/COM5/SEG3
P31/COM6/SEG4
P30/COM7/SEG5
P27/SEG6
P42/VLC1/SCK0
P33/COM4/SEG2
P05/SEG24/AN3/EINT3/PWM4BB
P04/SEG25/AN2/EINT2/PWM4BA
P13/SEG17/AN10/EC1/BUZO
P07/SEG22/AN5/EINT5/PWM4CB
P11/SEG15/AN12/EINT12/T2O/PWM2O
P12/SEG16/AN11/EINT11/T1O/PWM1O
P10/SEG14/AN13/RXD1/SCL1/MISO1
P06/SEG23/AN4/EINT4/PWM4CA
MC96F6332SD
(32-SOP)
NOTE) 1. The programmer (E-PGM+, E-Gang4/E-Gang6) uses P0[1:0] pin as DSCL, DSDA.
2. The P14-P17, P23-P25, P34-P37 and P43 pins should be selected as a push-pull output or an
input with pull-up resistor by software control when the 32-pin package is used.
Figure 3.3 MC96F6332SD 32SOP pin assignment
1
2
13
14
8
9
10
11
12
3
4
5
6
7
16
15
21
20
19
18
17
26
25
24
23
22
28
27
P51/XIN
P52/EINT8/EC0/BLNK
P53/SXIN/T0O/PWM0O
P54/SXOUT/EINT10
VSS
P50/XOUT
P55/RESETB
P40/VLC3/RXD0/SCL0/MISO0
P41/VLC2/TXD0/SDA0/MOSI0
P32/COM5/SEG3
P31/COM6/SEG4
P30/COM7/SEG5
P42/VLC1/SCK0
P33/COM4/SEG2
P01/T3O/DSCL
P00/EC3/DSDA
P03/SEG26/AN1/EINT1/PWM4AB
P02/AN0/AVREF/EINT0/T4O/PWM4AA
P21/SEG12/AN15/SCK1
P20/SEG13/AN14/TXD1/SDA1/MOSI1
VDD
P05/SEG24/AN3/EINT3/PWM4BB
P04/SEG25/AN2/EINT2/PWM4BA
P07/SEG22/AN5/EINT5/PWM4CB
P11/SEG15/AN12/EINT12/T2O/PWM2O
P12/SEG16/AN11/EINT11/T1O/PWM1O
P10/SEG14/AN13/RXD1/SCL1/MISO1
P06/SEG23/AN4/EINT4/PWM4CA
MC96F6332SM
(28-SOP)
NOTE) 1. The programmer (E-PGM+, E-Gang4/E-Gang6) uses P0[1:0] pin as DSCL, DSDA.
2. The P13-P17, P22-P27, P34-P37 and P43 pins should be selected as a push-pull output or an
input with pull-up resistor by software control when the 32-pin package is used.
Figure 3.4 MC96F6332SM 28SOP pinassignment

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MC96F6432S
ABOV Semiconductor Co., Ltd.
1
2
13
14
8
9
10
11
12
3
4
5
6
7
16
15
21
20
19
18
17
26
25
24
23
22
28
27
P51/XIN
P52/EINT8/EC0/BLNK
P53/SXIN/T0O/PWM0O
P54/SXOUT/EINT10
VSS
P50/XOUT
P55/RESETB
P40/VLC3/RXD0/SCL0/MISO0
P41/VLC2/TXD0/SDA0/MOSI0
P32/COM5/SEG3
P31/COM6/SEG4
P30/COM7/SEG5
P42/VLC1/SCK0
P33/COM4/SEG2
P01/T3O/DSCL
P00/EC3/DSDA
P03/SEG26/AN1/EINT1/PWM4AB
P02/AN0/AVREF/EINT0/T4O/PWM4AA
P21/SEG12/AN15/SCK1
P20/SEG13/AN14/TXD1/SDA1/MOSI1
VDD
P05/SEG24/AN3/EINT3/PWM4BB
P04/SEG25/AN2/EINT2/PWM4BA
P07/SEG22/AN5/EINT5/PWM4CB
P11/SEG15/AN12/EINT12/T2O/PWM2O
P12/SEG16/AN11/EINT11/T1O/PWM1O
P10/SEG14/AN13/RXD1/SCL1/MISO1
P06/SEG23/AN4/EINT4/PWM4CA
MC96F6332SR
(28-TSSOP)
NOTE) 1. The programmer (E-PGM+, E-Gang4/E-Gang6) uses P0[1:0] pin as DSCL, DSDA.
2. The P13-P17, P22-P27, P34-P37 and P43 pins should be selected as a push-pull output or an
input with pull-up resistor by software control when the 32-pin package is used.
Figure 3.5 MC96F6332SR 28TSSOP pinassignment

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MC96F6432S
ABOV Semiconductor Co., Ltd.
4 Package Diagram
Figure 4.1 44-Pin MQFP Package

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MC96F6432S
ABOV Semiconductor Co., Ltd.
Figure 4.2 32-Pin LQFP Package

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MC96F6432S
ABOV Semiconductor Co., Ltd.
Figure 4.3 32-Pin SOP Package

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MC96F6432S
ABOV Semiconductor Co., Ltd.
Figure 4.4 28-Pin SOP Package

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MC96F6432S
ABOV Semiconductor Co., Ltd.
Figure 4.5 28-Pin TSSOP Package

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MC96F6432S
ABOV Semiconductor Co., Ltd.
5 Pin Description
PIN
Name
I/O
Function
@RESET
Shared with
P00
I/O
Port 0 is a bit-programmable I/O port which can be
configured as a Schmitt-trigger input, a push-pull
output, or an open-drain output.
A pull-up resistor can be specified in 1-bit unit.
Input
EC3/DSDA
P01
T3O/DSCL
P02
AN0/AVREF/EINT0/T4O/PWM4AA
P03
SEG26/AN1/EINT1/PWM4AB
P04
SEG25/AN2/EINT2/PWM4BA
P05
SEG24/AN3/EINT3/PWM4BB
P06
SEG23/AN4/EINT4/PWM4CA
P07
SEG22/AN5/EINT5/PWM4CB
P10
I/O
Port 1 is a bit-programmable I/O port which can be
configured as a Schmitt-trigger input, a push-pull
output, or an open-drain output.
A pull-up resistor can be specified in 1-bit unit.
The P14 –P17 are not in the 32-pin package. The
P13 –P17 are not in the 28-pin package.
Input
SEG14/AN13/RXD1/SCL1/MISO1
P11
SEG15/AN12/EINT12/T2O/PWM2O
P12
SEG16/AN11/EINT11/T1O/PWM1O
P13
SEG17/AN10/EC1/BUZO
P14
SEG18/AN9/MOSI2
P15
SEG19/AN8/MISO2
P16
SEG20/AN7/EINT7/SCK2
P17
SEG21/AN6/EINT6/SS2
P20
I/O
Port 2 is a bit-programmable I/O port which can be
configured as an input, a push-pull output, or an
open-drain output.
A pull-up resistor can be specified in 1-bit unit.
The P23 –P25 are not in the 32-pin package.
The P22 –P27 are not in the 28-pin package.
Input
SEG13/AN14/TXD1/SDA1/MOSI1
P21
SEG12/AN15/SCK1
P22
SEG11/SS1
P23
SEG10
P24
SEG9
P25
SEG8
P26
SEG7
P27
SEG6
P30
I/O
Port 3 is a bit-programmable I/O port which can be
configured as an input, a push-pull output.
A pull-up resistor can be specified in 1-bit unit.
The P34 –P37 are only in the 44-pin package.
Input
COM7/SEG5
P31
COM6/SEG4
P32
COM5/SEG3
P33
COM4/SEG2
P34
COM3/SEG1
P35
COM2/SEG0
P36
COM1
P37
COM0
P40
I/O
Port 4 is a bit-programmable I/O port which can be
configured as an input, a push-pull output, or an
open-drain output.
A pull-up resistor can be specified in 1-bit unit.
The P43 is only in the 44-pin package.
Input
VLC3/RXD0/SCL0/MISO0
P41
VLC2/TXD0/SDA0/MOSI0
P42
VLC1/SCK0
P43
VLC0/SS0
Table 5.1 Normal Pin Description