UPD75008 データシートの表示（PDF） - NEC => Renesas Technology

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UPD75008

4-BIT SINGLE-CHIP MICROCOMPUTER

NEC => Renesas Technology 

µPD75004, 75006, 75008

3.1 PORT PINS (2/2)

Pin Name Input/Output Also Served

As

Function

P60

P61

Input/

P62

Output

P63

P70

P71

Input/

P72

Output

P73

P80

Input/

P81

Output

KR0

Programmable 4-bit input/output port

(PORT6)

KR1

This port can be specified for input/

KR2

output in bit units.

Internal pull-up resistors can be

KR3

specified in 4-bit units by software.

KR4

KR5

4-bit input/output port (PORT7)

Internal pull-up resistors can be

KR6

specified in 4-bit units by software.

KR7

—

2-bit input/output port (PORT8)

Internal pull-up resistors can be

—

specified in 2-bit units by software.

*1: Circles indicate Schmitt trigger inputs.

2: Can directly drive LED.

8-Bit I/O When Reset

Input

q

Input

X

Input

Input/

Output

Circuit

TYPE*1

F -A

F -A

E-B

10

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