STA381BWSTR STMicroelectronics, STA381BWSTR Datasheet - Page 124

• 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

Register description: Sound Terminal compatibility
7.8
7.8.1
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provided via the master volume register, any channel whose total volume is less than -80 dB
is muted.
All changes in volume take place at zero-crossings when ZCE = 1
(addr
transitions. When ZCE = 0, volume updates occur immediately.
Table 133. Master volume offset as a function of MVOL[7:0]
Table 134. Channel volume as a function of CxVOL[7:0]
Audio preset registers (addr 0x0C)
Audio preset register (addr 0x0C)
XO3
D7
0x04)) on a per-channel basis as this creates the smoothest possible volume
11101100 (0xEC)
11101101 (0xED)
01001100 (0x4C)
11111110 (0xFE)
11010111 (0xD7)
11011000 (0xD8)
11011001 (0xD9)
11011010 (0xDA)
11111111 (0xFF)
01011111 (0x5F)
11111111 (0xFF)
00000000 (0x00)
00000001 (0x01)
00000010 (0x02)
00000000 (0x00)
00000001 (0x01)
00000010 (0x02)
01100000 (0x60)
01100001 (0x61)
CxVOL[7:0]
MVOL[7:0]
…
…
…
…
…
…
XO2
D6
XO1
D5
Doc ID 018937 Rev 6
XO0
D4
Volume offset from channel value
AMAM2
D3
Hard channel mute
Hard channel mute
Hard master mute
-127.5 dB
+47.5 dB
-59.5 dB
Volume
+0.5 dB
-0.5 dB
+48 dB
+47 dB
-0.5 dB
-38 dB
-60 dB
-61 dB
-62 dB
-80 dB
-1 dB
0 dB
0 dB
…
…
…
…
…
…
AMAM1
D2
(Configuration register E
AMAM0
D1
STA381BWS
AMAME
D0