sta339bw STMicroelectronics, sta339bw Datasheet - Page 18

• Manufacturer Part Number: sta339bw
• Description: 2.1-channel High-efficiency Digital Audio System
• Manufacturer: STMicroelectronics

Electrical specifications
3.6
Note:
18/77
Power on/off sequence
Figure 3.
The definition of a stable clock is when f
Section 6.2.3 on page 30
Figure 4.
VCC
VCC
VDD_Dig
VDD_Dig
XTI
XTI
Soft Mute
Soft Mute
Reg. 0x07
Reg. 0x07
Data 0xFE
Data 0xFE
Soft EAPD
Soft EAPD
Reg. 0x05
Reg. 0x05
Bit 7 = 0
Bit 7 = 0
VCC
VCC
VCC
VCC
VCC
VDD_Dig
VDD_Dig
VDD_Dig
VDD_Dig
VDD_Dig
XTI
XTI
XTI
XTI
XTI
Reset
Reset
Reset
Reset
Reset
I
I
I
I
I
PWDN
PWDN
PWDN
PWDN
PWDN
2
2
2
2
2
TR = minimum time between XTI master clock stable and Reset removal: 1 ms
TC = minimum time between Reset removal and I
C
C
C
C
C
Power-on sequence
Power-off sequence for pop-free turn-off
Don’t care
Don’t care
Don’t care
Don’t care
Don’t care
Don’t care
Don’t care
gives information on setting up the I
Note: no specific VCC and
VDD_DIG turn
is required
Don’t care
Don’t care
Doc ID 15251 Rev 4
Don’t care
Don’t care
Don’t care
Don’t care
Don’t care
max
−
on sequence
TR
TR
TR
TR
TR
- f
2
C program, sequence start: 1ms
FE
FE
min
< 1 MHz.
TC
TC
TC
TC
TC
2
S interface.
Note: no specific VCC and
VDD_DIG turn
is required
CMD0
CMD0
CMD0
CMD0
CMD0
Don’t care
Don’t care
Don’t care
Don’t care
CMD1
CMD1
CMD1
CMD1
CMD1
−
Don’t care
Don’t care
Don’t care
Don’t care
off sequence
STA339BW
CMD2
CMD2
CMD2
CMD2
CMD2