CXP82540 Просмотр технического описания (PDF) - Sony Semiconductor

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Компоненты Описание

производитель

CXP82540

CMOS 8-bit Single Chip Microcomputer

Sony Semiconductor 

CXP82532/82540

Pin

PB4/SO0

1 pin

PB7/SO1

1 pin

Port B

SO

Output enable

Port B output select

"0" when reset

Port B data

Port B direction

"0" when reset

Data bus

RD (Port B)

Port B

SO

Output enable

Port B output select

"0" when reset

Port B data

"1" when reset

Data bus

RD (Port B)

Circuit format

IP

Internal reset signal

∗

∗Pull-up transistor

about 200kΩ

Port C

Port C data

When reset

Hi-Z

High level

PC0/KR0

to

PC7/KR7

8 pins

PE0/EC0/INT0

PE1/EC1/INT1

PE2/INT2

PE3/INT3

PE4/RMC

5 pins

Data bus

Port C direction

"0" when reset

RD (Port C)

Key input signal

∗

IP

∗Capable of driving 12mA large current

Port E

Schmitt input

IP

EC0/INT0

EC1/INT1

INT2

INT3

RMC

Data bus

RD (Port E)

Hi-Z

Hi-Z

–7–

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