UPD780058 查看數據表（PDF） - NEC => Renesas Technology

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UPD780058

8-BIT SINGLE-CHIP MICROCONTROLLER

NEC => Renesas Technology 

µPD780053, 780054, 780055, 780056, 780058

3.1 PORT PINS (2/2)

Pin Name

I/O

P50-P57

Input/

output

P60

Input/

P61

output

P62

P63

P64

P65

P66

P67

P70

Input/

output

P71

P72

P120-P127 Input/

output

P130, P131 Input/

output

Function

After

Reset

Port 5

8-bit input/output port.

LED can be driven directly.

Input/output can be specified bit-wise.

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

Input

Port 6

8-bit input/outport port. Input/output can be

specified bit-wise.

N-ch open-drain input/

output port. On-chip pull-

up resistor can be used

by mask option. LED can

be driven directly.

Input

Dual-

Function Pin

A8-A15

—

When used as an input

port, on-chip pull-up

resistor can be used by

software.

Port 7

3-bit input/output port.

Input/output can be specified bit-wise.

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

Input

Port 12

8-bit input/output port.

Input/output can be specified bit-wise.

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

Input

RD

WR

WAIT

ASTB

SI2/RxD0

SO2/TxD0

SCK2/ASCK

RTP0-RTP7

Port 13

2-bit input/output port.

Input/output can be specified bit-wise.

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

Input

ANO0, ANO1

Preliminary Data Sheet

11

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