CXP5078 查看數據表（PDF） - Sony Semiconductor

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CXP5078

CMOS 4-bit Single Chip Microcomputer

Sony Semiconductor 

CXP5076/5078

Symbol

Name

PX0/SC

Port X0

Serial clock

PY3/EC

PY2/WP

Port Y3

Event count

input

Port Y2

Wake-up

input

PY1/PWM

Port Y1

PWM

generator

output

PY0

Port Y0

I/O

Equivalent Circuit

Data

Output Select

Disable

Standby

(Note 2)

(Only during

tri-state output)

I/O

See Note 2) for the output

circuit format.

Schmitt inverter input

I

I Schmitt inverter input

Data

O

Output Select (Note 1)

Disable

See Note 1) for the output

O circuit format.

PA0

to

Port A

I/O

PA3

PB0/AD4 Port B

to

Analog voltage I/O

PB3/AD7 input

Data

Output Select

Disable

Standby

(Only during

tri-state output)

(Note 2)

P

PE0

to

PE3

PF0

to

PF3

PI0/AD0

to

PI3/AD3

Port E

Port F

N

I/O

See Note 2) for the output

circuit format.

I/O Inverter input

Port I

Analog voltage I/O

input

Description

Doubles as shift clock input/output pin

for the serial interface and as bit "0"

(input) of port X.

Doubles as event counter (8 bits) input

pin and as bit "3" (input) of port Y.

Doubles as wake-up input pin to

release the standby state and as bit

"2" (input) of port Y.

Doubles as PWM generator (14 bits)

output pin and as bit "1" (output) of

port Y.

Output pin for bit "0" of port Y.

This 4-bit input/output port permits its

each individual bit to be programmed

to serve either as input or output. For

the output format, a tri-state and pull-

up resistor possible to be programmed,

and it is also used as the standby

resetting pin.

This 4-bit input/output port has the

functions that are equivalent to those

of port A. It is also used for A/D

converter input.

This 4-bit input/output port permits its

each individual port to be programmed

to serve either as input or output. For

the output format, a tri-state and pull-

up resistor possible to be programmed.

This 4-bit input/output port has the

functions that are equivalent to those

of port E.

This 4-bit input/output port has the

functions that are equivalent to those

of port E.

It is also used for A/D converter input.

–5–

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