STA326 STMicroelectronics, STA326 Datasheet - Page 31

• Manufacturer Part Number: STA326
• Description: DIG AUDIO SYSTEM, 2-CH, 36POWERSSOP
• Manufacturer: STMicroelectronics

Specifications of STA326

• Svhc: No SVHC (15-Dec-2010)
• No. Of Pins: 36
• Operating Temperature Range: -20°C To +85°C
• Supply Voltage Max: 36V
• Supply Voltage Min: 10V
• Termination T: RoHS Compliant
• Package / Case: PowerSO
• Interface: I2C
• Interface Type: I2C
• Rohs Compliant: Yes

STA326
Table 43.
When ECLE is active, it issues a power device power down signal (EAPD) on clock loss
detection.
Table 44.
Table 45.
EAPD is used to actively power down a connected DDX
be written to 1 at start-up to enable the DDX
5
6
7
Bit
Bit
Bit
RW
RW
RW
R/W
R/W
R/W
Auto-EAPD on clock loss enable
Software power down
External amplifier power down
0
1
0
RST
RST
RST
ECLE
PWDN
EAPD
Name
Name
Name
Doc ID 11531 Rev 3
Auto EAPD on clock loss
0: disabled
1: enabled
Software power down:
0: power down mode: initiates a power-down sequence
which results in a soft mute of all channels and finally
asserts EAPD circa 260 ms later
1: normal operation
External amplifier power down:
0: external power stage power down active
1: normal operation
®
power device for normal operation.
®
power device. This register has to
Description
Description
Description
Register description
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