S-7760A Datasheet, PDF(3/53 Page) Seiko Instruments Inc – PROGRAMMABLE PORT CONTROLLER (PORT EXPANDER WITH BUILT-IN E2PROM CIRCUIT)

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S-7760A Datasheet, PDF (3/53 Pages) Seiko Instruments Inc – PROGRAMMABLE PORT CONTROLLER (PORT EXPANDER WITH BUILT-IN E2PROM CIRCUIT)

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PROGRAMMABLE PORT CONTROLLER (PORT EXPANDER WITH BUILT-IN E2PROM CIRCUIT)

Rev.1.3_00

S-7760A

Â Block Diagram

VCCH

E2PROM

8 bit Ã 6

SDA

SCL

Interface

Circuit

Decode Logic

for Data Register

Mode

TIMEN

or RESX

Circuit for Prevention

Malfunction by Low

Voltage

VSS

Control Port Register

Timer Scale Setting

Timer Setting

Timer Enable

VCCL

Control Circuit for

Data Output

(Fixed Output)

(Timer Action)

DO7

DO6

DO5

DO4

DO3

DO2

DO1

DO0

Decoder

Dividing

Circuit

Oscillation

Circuit

CLK

or BPDX

Figure 3

Seiko Instruments Inc.

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