CXP82940 View Datasheet(PDF) - Sony Semiconductor

Part Name

Description

View to exact match

CXP82940

CMOS 8-bit Single Chip Microcomputer

Sony Semiconductor 

CXP82940/82948/82952/82960

Pin

PD0/S0

to

PD7/S7

8 pins

Port D

Segment output data

Output selection

control signal

("0" when reset)

Port D data

Data bus

RD (Port D)

Circuit format

When reset

∗ High voltage drive transistor

∗

OP Mask option

Pull-down

transistor

VFDP

Hi-Z or

Low level

(when PD

resistor is

connected)

S8 to S11

T15/S12

to

T8/S19

T0 to T7

20 pins

Segment output data

Timing output data

Output selection

control signal

("0" when reset)

∗ High voltage drive transistor

∗

OP

Pull-down

resistor

Mask option

VFDP

Hi-Z or

Low level

(when PD

resistor is

connected)

EXTAL

XTAL

EXTAL

2 pins

XTAL

TEX

TEX

TX

2 pins

TX

RST

1 pin

• Diagram shows circuit

composition during oscillation.

IP

IP

• Feedback resistor is removed

during stop, and XTAL

becomes High.

Oscillation

•Diagram shows circuit

composition during oscillation.

IP

IP

•When the operation of the oscillation

circuit is stopped by the software,

the feedback resistor is removed,

and TEX becomes Low level and TX

becomes High level.

Oscillation

Pull-up resistor

OP

Mask option

IP

Schmitt input

Low level

–9–

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