STA335W View Datasheet(PDF) - STMicroelectronics

Part Name

Description

Manufacturer

STA335W

2.0-channel high-efficiency digital audio system

STMicroelectronics 

STA335W

3.6

Power on/off sequence

Figure 3.

Power-on sequence

Note: no specific VCC and

VDD_DIG turn−on sequence

is required

VCC

VDD_Dig

Don’t care

Electrical specifications

Note:

Note:

XTI

Reset

Don’t care

TR

TC

I2C

Don’t care

CMD0 CMD1 CMD2

PWDN

TR = minimum time between XTI master clock stable and Reset removal: 1 msec

TC = minimum time between Reset removal and I2C program, sequence start: 1msec

clock stable means: fmax - fmin < 1 MHz

see Chapter 5.2.3: Serial data first bit, for additional info.

Figure 4. Power-off sequence for pop-free turn-off

Note: no specific VCC and

VDD_DIG turn−off sequence

is required

VCC

VDD_Dig

Don’t care

XTI

Soft Mute

Reg. 0x07

Data 0xFE

Soft EAPD

Reg. 0x05

Bit 7 = 0

Don’t care

FE

Don’t care

Don’t care

11/43

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