STV8247 Datasheet, PDF (119/149 Pages) STMicroelectronics – Digital Audio Decoder/Processor for A2 and NICAM Television/Video Recorders

STV82x7
Register List
Bit Name
LS_C_VOLUME_
MSB[7:0]
Reset
Function
1001 LS 10 bits volume Center channel 8 MSB
1000 _{See Figure 19: Volume Control on page 36 for range values.}
LS_C_VOLUME_LSB
Address: DDh
Type: R/W
Bit 7
0
Bit 6
0
Bit 5
0
Register Description
Bit 4
0
Bit 3
0
Bit 2
0
Bit 1
Bit 0
LS_C_VOLUME_LSB[1:0]
Bit Name
Bits[7:2]
LS_C_VOLUME_
LSB[1:0]
Reset
Function
000000 Reserved.
00 LS 10 bits volume Center channel 2 LSB
See Figure 19: Volume Control on page 36 for range values.
The volume value is defined by the following formula:
Vol (dB) = Decimal value of LS_C_VOLUME_MSB x 0.5 + Decimal value of LS_C_VOLUME_LSB x 0.125 - 116 dB
(each step is 0.125 dB).
LS_SUB_VOLUME_MSB
Register Description
Address: DEh
Type: R/W
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
LS_SUB_VOLUME_MSB[7:0]
Bit 2
Bit 1
Bit 0
Bit Name
Reset
Function
LS_SUB_
1001 LS 10 bits volume Subwoofer channel 8 MSB
VOLUME_MSB[7:0] 1000 _{See Figure 19: Volume Control on page 36 for range values.}
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