CXP402 查看數據表（PDF） - Sony Semiconductor

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CXP402

CMOS 4-bit Single Chip Microcomputer

Sony Semiconductor 

CXP402

Input/Output Circuit Formats for Pins

Pin

Port A

Port B

Circuit format

When reset

∗

PA0 to PA3

PB0 to PB3

Ports A, B data

Ports A, B I/O direction

8 pins

Data bus

RD (Ports A, B)

Port C

IP

Input protection

circuit

∗ Pull-up transistor approx. 50kΩ

Hi-Z

∗

PC0 to PC3

4 pins

RMC

XRST

SEIN

CNIN

VCKI

FOK

LRCKI

PCMDI

BCKI

EXCK

10 pins

Port C data

Port C I/O direction

Data bus

RD (Port C)

IP

∗ Pull-up transistor approx. 50kΩ

Hi-Z

Schmitt input

IP

Internal circuit

∗ EMPHI is not Schmitt input.

Hi-Z

–7–

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