DATA SHEET
MSP 34x0G
Table 3–11: Write Registers on I2C Subaddress 12hex, continued
Register
Address
Function
Name
00 29hex
Automatic Volume Correction (AVC) Loudspeaker Channel
AVC
bit[15:12] 00hex
08hex
AVC off (and reset internal variables)
AVC on
bit[11:8] 08hex
04hex
8 sec decay time
4 sec decay time
02hex
2 sec decay time
01hex
20 ms decay time (should be used for approx. 100 ms
after channel change)
Note: AVC should not be used in any Dolby Prologic mode (with DPL 35xx),
except in PANORAMA or 3D-PANORAMA mode, when only the loudspeaker
output is active.
00 01hex
00 30hex
Balance Loudspeaker Channel
Balance Headphone Channel
BAL_MAIN
BAL_AUX
bit[15:8] Linear Mode
7Fhex
7Ehex
...
Left muted, Right 100%
Left 0.8%, Right 100%
01hex
00hex
FFhex
...
Left 99.2%, Right 100%
Left 100%, Right 100%
Left 100%, Right 99.2%
82hex
81hex
Left 100%, Right 0.8%
Left 100%, Right muted
bit[15:8] Logarithmic Mode
7Fhex
7Ehex
...
Left −127 dB, Right 0 dB
Left −126 dB, Right 0 dB
01hex
00hex
FFhex
...
Left −1 dB, Right 0 dB
Left 0 dB, Right 0 dB
Left 0 dB, Right −1 dB
81hex
80hex
Left 0 dB, Right −127 dB
Left 0 dB, Right −128 dB
bit[7:0]
Balance Mode
00hex
01hex
linear
logarithmic
Positive balance settings reduce the left channel without affecting the right
channel; negative settings reduce the right channel leaving the left channel
unaffected.
Micronas
May 27, 2003; 6251-476-1DS
33
MICRONAS [ MICRONAS ]
