Read Panasonic KX-TCD951GB / KX-TCD955GC Service Manual online
64
KX-TCD951GB/KX-TCD955GC
Bit 1,0: M[1..0] . TDO output type
00 Digital
01 Gaussian,
10 Power Down,
11=Mid level (1.25V)
00 Digital
01 Gaussian,
10 Power Down,
11=Mid level (1.25V)
CODEC Control
52
FF
BMC.AnalogCtrl
BMC analogue power-up control word. This value is
written to the CODEC_PD_reg register.
written to the CODEC_PD_reg register.
53
00
BMC.TestByte1
Codec Gain Control and side-tone control. The lower
6 bits of this parameter is written to the
CODEC_GAIN_CTRL_reg.
Bit 7: S, 1=side tone off (software implementation)
Bit 6 : SINen. Speaker configuration.
0=differential,
1=single ended
Bit 5..4 : BUZatt[1..0] buzzer course gain
00 = -2dB
01 = -17dB
1x = -32 dB
Bit 3 : BUZMODE. 0=audio mode, 1=buzzer mode
Bit 2 : MUTin. 0= normal operation, 1=mute MIC inputs
Bit 1..0: M[1..0]. Microphone configuration
00 = normal differential or single
ended
11 = MIC+/MIC- disabled
6 bits of this parameter is written to the
CODEC_GAIN_CTRL_reg.
Bit 7: S, 1=side tone off (software implementation)
Bit 6 : SINen. Speaker configuration.
0=differential,
1=single ended
Bit 5..4 : BUZatt[1..0] buzzer course gain
00 = -2dB
01 = -17dB
1x = -32 dB
Bit 3 : BUZMODE. 0=audio mode, 1=buzzer mode
Bit 2 : MUTin. 0= normal operation, 1=mute MIC inputs
Bit 1..0: M[1..0]. Microphone configuration
00 = normal differential or single
ended
11 = MIC+/MIC- disabled
54
AA
BMC.LsrMicGain
Codec Gain. This parameter is written to the
CODEC_GAIN_reg.
Bit 7..4 : Loud speaker gain in steps of 1dB
0000 = +3dB
Bit 3..0 :Mic gain in steps of 2dB
0000 = +14dB
Max. gain in both directions equals 0x0F
CODEC_GAIN_reg.
Bit 7..4 : Loud speaker gain in steps of 1dB
0000 = +3dB
Bit 3..0 :Mic gain in steps of 2dB
0000 = +14dB
Max. gain in both directions equals 0x0F
55
03
BMC.Vref
Codec Mode. Bits 0..5 of this parameter is written to the
CODE_MODE_reg (check MSJ !)
Bit 7 : Not used
Bit 6 : Not used
Bit 5..0 : 000000
xxxxxx00
CODE_MODE_reg (check MSJ !)
Bit 7 : Not used
Bit 6 : Not used
Bit 5..0 : 000000
xxxxxx00
56
38
BMC.TestByte3
Codec Bandgap
Bit 7..6 : - reserved ??-
Bit 5..4 : VREF[1..0]. 11 = maximum level ????
Bit 0..3 : BG[3..0].
Bit 7..6 : - reserved ??-
Bit 5..4 : VREF[1..0]. 11 = maximum level ????
Bit 0..3 : BG[3..0].
57
00
BMC.TestByte4
00000000
58-59
00
BMC.InitInstruc
Bmc init instruction (not used)
5A
6C
BMC_3161Offset
DC offset RECDAT
5B
09
BMC.LMX3161 TX
BMC/LMX3161 TX control (89 for no inversion)
5C
91
BMC.LMX3161 RX
BMC/LMX3161 RXcontrol (11 for no inversion)
5D
08
BMC.MuteCtrl
Mute control.
Bit 0: 0=always 3dB reduce (ignore bit 1),
1=enable 6dB reduce
Bit 1: 0=reduce 6dB first-time then 3dB,
1=reduce 6dB always
Bit 4: 0=increase 3dB, 1=increase 6dB
Bit 7: 0=no action, 1=250 ms with no errors required in
order to un-mute.
Bit 0: 0=always 3dB reduce (ignore bit 1),
1=enable 6dB reduce
Bit 1: 0=reduce 6dB first-time then 3dB,
1=reduce 6dB always
Bit 4: 0=increase 3dB, 1=increase 6dB
Bit 7: 0=no action, 1=250 ms with no errors required in
order to un-mute.
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