UPD78098 데이터 시트보기 (PDF) - Renesas Electronics

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UPD78098

8-BIT SINGLE-CHIP MICROCONTROLLER

Renesas Electronics 

µPD78P083

2. PIN FUNCTIONS

2.1 Pins in Normal Operating Mode

(1) Port pins

Pin Name

P00

P01

P02

P03

Input/Output

Input

Input/output

P10-P17

Input/output

P30-P34

P35

P36

P37

P50-P57

Input/output

Input/output

P70

P71

P72

P100

P101

Input/output

Input/output

Function

Port 0

Input only

4-bit input/output port Input/output is specifiable

bit-wise. When used as the

input port, it is possible to

connect a pull-up resistor by

software.

Port 1

8-bit input/output port

Input/output is specifiable bit-wise.

When used as the input port, it is possible to connect

a pull-up resistor by software. Note

Port 3

8-bit input/output port

Input/output is specifiable bit-wise.

When used as the input port, it is possible to connect

a pull-up resistor by software.

Port 5

8-bit input/output port

Can drive up to seven LEDs directly.

Input/output is specifiable bit-wise.

When used as the input port, it is possible to connect

a pull-up resistor by software.

Port 7

3-bit input/output port

Input/output is specifiable bit-wise.

When used as the input port, it is possible to connect

a pull-up resistor by software.

Port 10

2-bit input/output port

Input/output is specifiable bit-wise.

When used as the input port, it is possible to connect

a pull-up resistor by software.

After Reset

Input

Input

Alternate Function

—

INTP1

INTP2

INTP3

Input

ANI0-ANI7

Input

Input

—

PCL

BUZ

—

—

Input

Input

SI2/RxD

SO2/TxD

SCK2/ASCK

TI5/TO5

TI6/TO6

Note When P10/ANI0-P17/ANI7 pins are used as the analog inputs for the A/D converter, set the port 1 to the input mode.

The on-chip pull-up resistor is automatically disabled.

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