CXP82840 データシートの表示（PDF） - Sony Semiconductor

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CXP82840

CMOS 8-bit Single Chip Microcomputer

Sony Semiconductor 

CXP82832/82840/82852/82860

Pin

PB4/SO0

PB7/SO1

2 pins

Port B

Pull-up resistor

"0" when reset

SO

Serial data 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

∗

IP

∗ Pull-up transistor approx. 100kΩ

PC0/KR0

to

PC7/KR7

8 pins

PE0/EC0/INT0

PE1/EC1/INT1

PE2/INT2

PE3/INT3/NMI

PE4/RMC

5 pins

PE5

1 pin

Port C

∗2

Pull-up resistor

"0" when reset

Port C data

Data bus

Port C direction

"0" when reset

∗1

IP

Port E

RD (Port C)

Key input signal

∗1 Large current 12mA

∗2 Pull-up transistor approx. 100kΩ

Schmitt input

IP

EC0/INT0

EC1/INT1

INT2

INT3/NM1

RMC

Data bus

RD (Port E)

Port E

IP

Data bus

RD (Port E)

When reset

Hi-Z

Hi-Z

Hi-Z

Hi-Z

–7–

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