STA381BWSTR STMicroelectronics, STA381BWSTR Datasheet - Page 49

• Manufacturer Part Number: STA381BWSTR
• Description: Audio DSPs Sound Terminal 2.1 High EFF Dig Audio
• Manufacturer: STMicroelectronics

Specifications of STA381BWSTR

• Product Category: Audio DSPs
• Rohs: yes
• Operating Supply Voltage: 4.5 V to 25.5 V
• Operating Temperature Range: 0 C to + 150 C
• Mounting Style: SMD/SMT
• Package / Case: VQFN-48
• Snr: 100 dB

STA381BWS
6.9
6.10
POST scaler register (addr 0x08)
Post scaler is set to POST/128 for both CH1 and CH2.
OPER register (addr 0x09)
Table 23.
Table 24.
Reserved
OPER[1:0]
Bit
1
0
D7
D7
1
0
00
11
10
01
R/W
R/W
R/W
OPER register
OPER configuration selection
Reserved
2-channel (full-bridge) power, 2-channel data-out:
1A/1B → 1A/1B
2A/2B → 2A/2B
LineOut1 → 3A/3B
LineOut2 → 4A/4B
Line out configuration determined by LOC register
2-channel (full-bridge) power, 1-channel FFX:
1A/1B → 1A/1B
2A/2B → 2A/2B
3A/3B → 3A/3B
EAPDEXT and TWARNEXT Active
2(half-bridge).1(full-bridge) on-board power:
1A → 1A
2A → 1B
3A/3B → 2A/2B Binary 45°
1A/B → 3A/B
2A/B → 4A/B
1 channel mono-parallel:
3A → 1A/1B
3B → 2A/2B
1A/1B → 3A/3B
2A/2B → 4A/4B
CH3 downmixed on all the PWM channels.
D6
D6
0
0
RST
0
0
Reserved
D5
D5
0
0
Doc ID 018937 Rev 6
w/ C3BO 45°
w/ C3BO 45°
Binary 0°
Binary 90°
Binary 0°
Binary 90°
Output configuration
OPER[1:0]
Name
Reserved
D4
D4
0
0
POST[7:0]
Description
output configuration modes
Reserved
D3
D3
0
0
Register description: New Map
Reserved
D2
D2
0
0
D1
D1
0
0
PBTL enable
OPER[1:0]
Yes
No
No
No
D0
D0
0
0
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