U4091BM-N Datasheet, PDF (14/38 Pages) ATMEL Corporation – PROGRAMMABLE TELEPHONE AUDIO PROCESSOR

Table 8. Names and Functions of the Serial Registers (Continued)
Register
Group
No.
Name
Description
R8B7
AIMP
Switch for additional external line impedance
R9
AFS
R9B0
AFS0
AFS gain adjustment LSB
R9B1
AFS1
AFS gain adjustment
R9B2
AFS2
AFS gain adjustment
R9B3
AFS3
AFS gain adjustment
R9B4
AFS4
AFS gain adjustment
R9B5
AFS5
AFS gain adjustment MSB
R9B6
AFS4PS
Enable 4-point sensing
R9B7
free
R10
SA
R10B0
SA0
Gain speaker amplifier LSB
R10B1
SA1
Gain speaker amplifier
R10B2
SA2
Gain speaker amplifier
R10B3
SA3
Gain speaker amplifier
R10B4
SA4
Gain speaker amplifier MSB
R10B5
SE
Speaker amplifier single-ended mode
R10B6
LSCUR0
Speaker amplifier charge-current adjustment LSB
R10B7
LSCUR1
Speaker amplifier charge-current adjustment MSB
R11
ADC
R11B0
ADC0
Input selection ADC
R11B1
ADC1
Input selection ADC
R11B2
ADC2
Input selection ADC
R11B3
ADC3
Input selection ADC
R11B4
NWT
Network tuning
R11B5
SOC
Start of ADC conversion
R11B6
ADCR
Selection of ADC range
R11B7
MSKIT
Mask for interrupt bits
R12
DTMF
R12B0
DTMFF0
DTMF frequency selection
R12B1
DTMFF1
DTMF frequency selection
R12B2
DTMFF2
DTMF frequency selection
R12B3
DTMFF3
DTMF frequency selection
R12B4
DTMFF4
DTMF frequency selection
R12B5
DTMFM0
Generator mode selection
R12B6
DTMFM1
Generator mode selection
R12B7
DTMFM2
Generator mode selection
R13
CLK
R13B0
CLK0
Selection clock frequency for µC
RTH
R13B1
CLK1
Selection clock frequency for µC
TM
R13B2
RTH0
Ringer threshold adjustment LSB
Status
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
14 U4091BM-N
4666B–CORD–08/04