CXP82940 datasheet(5/24 Pages) SONY

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CXP82940/82948/82952/82960

Pin code

I/O

Functions

Output/Output

PD0/S0

PD7/S7

(Port D)

8-bit output ports.

(8 pins)

FDP segment signal outputs.

(8 pins)

Output

S8 to S11

FDP segment signal outputs. (4 pins)

Output/Output

T8/S12

T15/S19

Outputs for FDP timing signals/segment signals.

(8 pins)

I/O

PG0 to PG3

(Port G)

8-bit I/O port. I/O can be set in a unit of single bits.

Incorporation of pull-up resistor can be set through the software in a unit

of 4 bits.

(4 pins)

VFDP

EXTAL

XTAL

TEX

RST

AVREF

AVSS

VDD

VSS

Input

Output

Input

Output

Input

FDP voltage supply when incorporated resistor is set by mask option.

T0 to T7

FDP timing signal outputs.

Crystal connectors for system clock oscillation. When the clock is

supplied externally, input to EXTAL; opposite phase clock should be

input to XTAL.

Crystal connectors for 32kHz timer/counter clock oscillation. Set 32kHz

crystal oscillator between TEX and TX. For usage as event input, attach

clock source to TEX, and open TX.

Low-level active, system reset.

NC. Under normal operation, connect to VDD.

AVDD

Positive power supply for A/D converter.

Reference voltage input for A/D converter.

A/D converter GND.

Positive power supply.

GND.

Output

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