UPD78094 datasheet(21/74 Pages) RENESAS

21 / 74 page

µPD78094, 78095, 78096, 78098A

Port Name

Pin Name

Function

Port 0

P00, P07

Input only.

P01-P06

Input/output port. Input/output can be specified bit-wise.

When used as an input port, on-chip pull-up resistor can be connected by software.

Port 1

P10-P17

Input/output port. Input/output can be specified bit-wise.

When used as an input port, on-chip pull-up resistor can be connected by software.

Port 2

P20-P27

Input/output port. Input/output can be specified bit-wise.

When used as an input port, on-chip pull-up resistor can be connected by software.

Port 3

P30-P37

Input/output port. Input/output can be specified bit-wise.

When used as an input port, on-chip pull-up resistor can be connected by software.

Port 4

P40-P47

Input/output port. Input/output can be specified in 8-bit units.

When used as an input port, on-chip pull-up resistor can be connected by software.

The test input flag (KRIF) is set to 1 by falling edge detection.

Port 5

P50-P57

Input/output port. Input/output can be specified bit-wise.

When used as an input port, on-chip pull-up resistor can be connected by software.

LEDs can be driven directly.

Port 6

P60-P63

N-ch open-drain input/output port. Input/output can be specified bit-wise.

On-chip pull-up resistor can be connected by mask option.

LEDs can be driven directly.

P64-P67

Input/output port. Input/output can be specified bit-wise.

When used as an input port, on-chip pull-up resistor can be connected by software.

Port 7

P70-P72

Input/output port. Input/output can be specified bit-wise.

When used as an input port, on-chip pull-up resistor can be connected by software.

Port 12

P120-P127

Input/output port. Input/output can be specified bit-wise.

When used as an input port, on-chip pull-up resistor can be connected by software.

Port 13

P130, P131

Input/output port. Input/output can be specified bit-wise.

When used as an input port, on-chip pull-up resistor can be connected by software.

PERIPHERAL HARDWARE FUNCTIONS

5.1

Ports

Input/output ports are classified into three types.

• CMOS input (P00, P07)

: 2

• CMOS input/output (P01-P06, Ports 1-5, P64-P67, Port 7, Port 12, Port 13)

: 63

• N-ch open-drain input/output (P60-P63)

: 4

Total

:69

Table 5-1. Functions of Ports

UPD78094 데이터시트(PDF) 21 Page - Renesas Technology Corp

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