S-7760A53XX-HCT1 datasheet(20/53 Pages) SII

Part #	S-7760A53XX-HCT1

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

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Manufacturer	SII [Seiko Instruments Inc]

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

S-7760A

Rev.1.3_00

Seiko Instruments Inc.

20

Flowchart of Data Loading from E2PROM and Timer Action

Power-on

Loading each data from

E

2PROM to register

DO pin outputs default value

TIMEN pin = “H”?

TIMEN pin

“L”

→ “H”?

Timer setting register is

in “1”?

Timer action starts

TIMEN pin

“H”

→ “L”?

Timer enable register

“0”

→ “1”?

DO output inverts after

set time has elapsed

No

Yes

No

Figure 21 Flowchart of S-7760A’s Action (When selecting “condition to start timer Option 1”)

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