STA335BWS View Datasheet(PDF) - STMicroelectronics

Part Name

Description

Manufacturer

STA335BWS

2.1 channels high efficiency digital audio system

STMicroelectronics 

STA335BWS

3.5

Power-on sequence

Table 7. Power-on sequence

Electrical specifications

VCC

VDD_Dig

Don’t care

XTI

Reset

Don’t care

TR

TC

I2C

PWDN

Don’t care

CMD0 CMD1 CMD2

Note:

Note:

3.6

3.6.1

Where:

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

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

Clock stable means: fmax - fmin < 1 MHz

No specific VCC and VDD_Dig turn−on sequence is required

Testing

Functional pin status

Table 8. Functional pin status

Pin name Pin # Logic value

IC status

PWRDN 23

0

Low absorption

PWRDN 23

1

Normal operation

TWARN 20

0

From external power stage is indicated a temperature

warning

TWARN 20

1

Normal operation

EAPD

19

0

Low absorption for power stage

All internal regulators are switched off

EAPD

19

1

Normal operation

17/68

Share Link: