CXP83120A 查看數據表（PDF） - Sony Semiconductor

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CXP83120A

CMOS 8-bit Single Chip Microcomputer

Sony Semiconductor 

CXP83120A/83124A

Pin

PB4/SO0

PB7/SO1

2 pins

PC0 to PC7

8 pins

PE0/INT0/EC0

PE1/INT1/EC1

PE2/INT2

PE3/INT3/NMI

PE4/RMC

5 pins

Port B

Pull-up resistor

"0" when reset

SO

Output enable

Port B output selection

"0" when reset

Port B data

Data

bus

Port B direction

"0" when reset

RD (Port B)

Circuit format

Port C

Pull-up resistor

"0" when reset

Port C data

∗

IP

∗ Pull-up transistors

approx. 100kΩ

∗2

Data bus

Port C direction

"0" when reset

RD (Port C)

Port E

∗1

IP

∗1 High current drive

of 12mA possible

∗2 Pull-up transistors

approx. 100k Ω

Schmitt input

IP

INT0/EC0

INT1/EC1

INT2

INT3/NMI

RMC

Data bus

RD (Port E)

When reset

Hi-Z

Hi-Z

Hi-Z

–8–

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