UPD78323LP datasheet(11/86 Pages) NEC

11 / 86 page

µPD78323, 78324

LIST OF PIN FUNCTIONS

1.1

PORT PINS

Dual-

Function Pin

RTP0 to

RTP7

NMI

INTP0

INTP1

INTP2

INTP3

INTP4

INTP5

INTP6/TI

TXD

RXD

SO/SB0

SI/SB1

SCK

AD0 to AD7

A8 to A15

AN0 to AN7

TO00

TO01

TO02

TO03

TO10

TO11

TAS

TMD

P00 to P07

P20

P21

P22

P23

P24

P25

P26

P27

P30

P31

P32

P33

P34

P40 to P47

P50 to P57

P70 to P77

Function

Pin Name

I/O

Port 0

8-bit input/output port

Input/output can be specified bit-wise

Also serves as a realtime output port.

Input

Input/

output

Port 4

8-bit input/output port

Input/output can be specified in 8-bit unit.

Port 5

8-bit input/output port

Input/output can be specified bit-wise

Port 7

Dedicated port for 8-bit input

Port 8

6-bit input/output port

Input/output can be specified bit-wise

Input/

output

Input/

output

Input/

output

Input

P80

P81

P82

P83

P84

P85

P90

P91

P92

P93

Input/

output

Port 2

Dedicated port for 8-bit input

Port 3

5-bit input/output port

Input/output can be specified bit-wise

Port 9

4-bit input/output port

Input/output can be specified bit-wise

Input/

output

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