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STA380BW Datasheet(PDF) 24 Page - STMicroelectronics

Part # STA380BW
Description  Sound Terminal® 2.1-channel high-efficiency digital audio system
PDF  162 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STA380BW Datasheet(HTML) 24 Page - STMicroelectronics

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Electrical specifications
STA380BW
24/162
DocID024543 Rev 1
3.6
Power on/off sequence
Figure 4. Power-on sequence
Note:
The definition of a stable clock is when fmax - fmin < 1 MHz.
Section 6.13.1: Serial data interface gives information on setting up the I2S interface.
Figure 5. Power-off sequence for pop-free turn-off
Note:
The register addresses for Soft Mute and Soft EAPD refer to Sound Terminal compatibility
(see Section 7: Register description: Sound Terminal compatibility on page 100) and are not
the default addresses.
Don’t care
Don’t care
CMD0
CMD1
CMD2
Don’t care
Don’t care
CMD0
CMD1
CMD2
Don’t care
Don’t care
Don’t care
CMD0
CMD1
CMD2
Don’t care
Don’t care
CMD0
CMD1
CMD2
Don’t care
Don’t care
CMD0
CMD1
CMD2
Don’t care
Note: no specific VCC and
VDD_DIG turn
−on sequence
is required
TR = minimum time between XTI master clock stable and Reset removal: 1 ms
TC = minimum time between Reset removal and I2C program, sequence start: 1ms
VCC
VDD_DIG
XTI or BICKI
HW RESET
I
2C
HW PWDN
TR
TC
Don’t care
Don’t care
Don’t care
Don’t care
Don’t care
Don’t care
Don’t care
Don’t care
Don’t care
Don’t care
Note: no specific VCC and
VDD_DIG turn
−off sequence
is required
VCC
VDD_DIG
XTI or BICKI
Soft Mute
Soft EAPD
Reg. 0x07
Data 0xFE
Reg. 0x05
Bit 7 = 0
FE
Obsolete
Product(s)
- Obsolete
Product(s)



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