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

Port D

Circuit format

PD0/SCL0

PD1/SCL1

PD2/SDA0

PD3/SDA1

SCL, SDA

Serial interface CH2

output enable

Port D data

Data bus

RD (Port D)

SCL, SDA

(Serial interface CH2 circuit)

∗

IP

Schmitt input

When reset

Hi-Z

4 pins

Port D

BUS SW

To another serial CH2 pin

∗ Large current 12mA

PD4 to PD7

4 pins

PE0/INT0/

CKOUT

Port D data

Port D direction

“0” when reset

Data bus

Port E

RD (Port D)

ESL0

Port E selection

ESL1

PS1

PS2

PS3

01

10 MPX

11

1 pin

Data bus

Interruption circuit

RD (Port E)

∗

IP

∗ Large current 12mA

IP

Hi-Z

Hi-Z

–8–

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