SC9235S 데이터 시트보기 (PDF) - Silan Microelectronics

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SC9235S

ELECTRONIC VOLUME

Silan Microelectronics 

Silan

Semiconductors

SC9235

4. INITIALIZATION AND BACKUP OPERATION

1) Initialization operation

When power on, volume level is set to initial value (46dB) by setting INT pin to "L" level for a while.

VDD

VDD

VIL

INT

0V

t

t≥1ms

Adjust condenser value which is set INT pin to the period while INT pin is "L" level is longer than 1ms when

Power on.

2) Backup operation

Internal operation is all stopped when INH pin is "L" level, and prohibit input and output.

Volume data is remains while Backup mode with low current consumption.

VDD

0V

NORMAL MODE

VDD

2V

INH

BACKUP MODE

Back up

VDDMIN≥2.0V

Minimum Voltage for Back up is 2.0V.

Back up data is lost

NORMAL MODE

HANGZHOU SILAN MICROELECTRONICS JOINT-STOCK CO.,LTD

Rev: 1.0 2000.12.31

6

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