CXP87948 查看數據表（PDF） - Sony Semiconductor

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CXP87948

CMOS 8-bit Single Chip Microcomputer

Sony Semiconductor 

CXP87940/87948

Pin

PI2/PWM

PI3/TO/

DDO/ADJ

2 pins

Port I

Circuit format

Port I function

selection

“0” when reset

PI2...14-bit PWM

PI3...Timer/counter,

CTL duty detection circuit,

32kHz timer

Port I data

MPX

Port I direction

“0” when reset

Data bus

Port I

RD (Port I)

Port I data

When reset

Hi-Z

IP

PI1/RMC

PI4/INT1/NMI

PI7/SI1

3 pins

PI5/SCK1

PI6/SO1

2 pins

Port I direction

“0” when reset

Data bus

RD (Port I)

PI1...Remote control circuit

PI4...Interruption circuit

PI7...Serial interface CH1

Port I

Port I function

selection

“0” when reset

Serial interface

CH1

Port I data

MPX

Port I direction

“0” when reset

Data bus

RD (Port I)

MPX

Serial interface CH1

Port J

Port J data

IP

Schmitt input

IP

PI6 is not Schmitt input.

Hi-Z

Hi-Z

PJ0 to PJ7

8 pins

Port J direction

“0” when reset

Data bus

IP

RD

(PortJ)

Standby release

Edge detection

Data bus

RD (Port J direction)

– 11 –

Hi-Z

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