UPD780964 데이터 시트보기 (PDF) - NEC => Renesas Technology

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UPD780964

8-BIT SINGLE-CHIP MICROCOMPUTER

NEC => Renesas Technology 

µPD780016Y, 780018Y

3.1 Port Pins (2/2)

Pin Name

I/O

P50 to P57 Input/

output

P60

Input/

output

P61

P62

P63

P64

P65

P66

P67

P80 to P87 Input/

output

Function

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.

After

Reset

Input

Alternate

Function Pin

A8 to A15

Port 6

Input

—

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.

Port 8

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

A0 to A7

P90

Input/

output

P91

P92

P93

P94

P95

P100

P101

Input/

output

P102, P103

P110

P111

Input/

output

P112

P113-P115

P116

P117

P150-P156 Input/

output

Port 9

6-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 10

4-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 11

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

Port 15

7-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

SI4A

SO4A

SCK4A

SI4B

SO4B

SCK4B

TI5/TO5

TI6/TO6

—

SI4C

SO4C

SCK4C

—

SDA

SCL

—

10

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