UPD75048CW 查看數據表（PDF） - NEC => Renesas Technology

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UPD75048CW

4-BIT SINGLE-CHIP MICROCOMPUTER

NEC => Renesas Technology 

µPD75048

(cont'd)

Pin Name Input/Output Also Served

As

Function

P60

P61

Input/

P62

Output

P63

P70

P71

Input/

P72

Output

P73

P80-83

Input/

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

4-bit input/output port(PORT8)

—

Internal pull-up resistors can be

specified in 4-bit units by software.

P90-93

Input/

Output

4-bit input/output port(PORT9)

—

Internal pull-down resistors can be

specified in 4-bit units by software.

8-Bit I/O When Reset

Input

Input

Input

X

Input

Input/

Output

Circuit

TYPE*1

F -A

F -A

E-B

E-D

P100

P101

P102

P103

P110

P111

P112

P113

Input/

Output

Input

MAR

MAI

MAZ

MAT

AN0

AN1

AN2

AN3

N-ch open-drain 4-bit input/output port

High level

(PORT10)

(with internal

Internal pull-up resistors can be

specified in bit units (by mask option).

pull-up

resistor) or

M

Resistive voltage is 10V in the open-

high imped-

drain mode.

ance

X

4-bit input port(PORT11)

Input

Y-A

*1: Circles indicate Schmitt trigger inputs.

10

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