CXP5076 查看數據表（PDF） - Sony Semiconductor

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CXP5076

CMOS 4-bit Single Chip Microcomputer

Sony Semiconductor 

CXP5076/5078

Pin Description

Symbol

Name

I/O

VDD

Supply voltage —

VSS

Grounding

voltage

—

Equivalent Circuit

P

EXTAL Clock input

I

EXTAL

N

NP

XTAL

XTAL

Clock output

O

Description

Positive voltage supply pin

GND pin

Clock oscillation circuit input pin.

Connect the crystal oscillator or

ceramic resonator between the EXTAL

and XTAL. When using as the

external clock input, connect the clock

oscillation source to the EXTAL pin

and open the XTAL pin.

Clock oscillation circuit output pin

RST

INT

RMC

PX2/SI

PX1/SO

P

Reset

Mask option E

Serves as the incorporated power-on

reset circuit output pin.

I/O

N

When inputting a reset signal from the

outside, provide 2 instruction cycles or

Output pull-up resistor (P-ch Tr) longer of an "L" level (0V).

N-ch Tr output

Schmitt inverter input

External

interrupt

I

Serves the interrupt input pin.

Permits the selection with a program

of the edge and the level modes.

Remote control

input

I

Schmitt inverter input

Port X2

Serial input

I

Remote control receiver input pin

Doubles as a serial interface (8 bits)

input pin and as bit "2" (input) of port X.

Port X1

Serial output

Data

Output Select

Disable

Standby

(Note 2)

(Only during

tri-state output)

P

I/O

N

Doubles as a serial interface (8 bits)

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

port X. (SO output possible to inhibit

with the program.)

See Note 2) for the output

circuit format.

Inverter input

–4–

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