U4091BM Datasheet, PDF (9/29 Pages) TEMIC Semiconductors – Programmable Telephone Audio Processor

Register
R6
Group
Shut down
Sidetone
R7
Sidetone
AGARX
R8
EARA
Line imp.
R9
AFS
R10
SA
R11
ADC
No
R6B0
R6B1
R6B2
R6B3
R6B4
R6B5
R6B6
R6B7
R7B0
R7B1
R7B2
R7B3
R7B4
R7B5
R7B6
R7B7
R8B0
R8B1
R8B2
R8B3
R8B4
R8B5
R8B6
R8B7
R9B0
R9B1
R9B2
R9B3
R9B4
R9B5
R9B6
R9B7
R10B0
R10B1
R10B2
R10B3
R10B4
R10B5
R10B6
R10B7
R11B0
R11B1
R11B2
R11B3
R11B4
R11B5
R11B6
R11B7
U4091BM
Name
SD
free
SL0
SL1
LF0
LF1
LF2
LF3
P0
P1
P2
P3
P4
AGARX0
AGARX1
AGARX2
EA0
EA1
EA2
EA3
EA4
IMPH
LOMAKE
AIMP
AFS0
AFS1
AFS2
AFS3
AFS4
AFS5
AFS4PS
free
SA0
SA1
SA2
SA3
SA4
SE
LSCUR0
LSCUR1
ADC0
ADC1
ADC2
ADC3
NWT
SOC
ADCR
MSKIT
Shut down
Description
Slope adjustment for sidetone LSB
Slope adjustment for sidetone MSB
Low frequency adjustment for sidetone LSB
Low frequency adjustment for sidetone
Low frequency adjustment for sidetone
Low frequency adjustment for sidetone MSB
Pole adjustment for sidetone LSB
Pole adjustment for sidetone
Pole adjustment for sidetone
Pole adjustment for sidetone
Pole adjustment for sidetone MSB
Gain receive AGC LSB
Gain receive AGC
Gain receive AGC MSB
Gain earpiece amplifier LSB
Gain earpiece amplifier
Gain earpiece amplifier
Gain earpiece amplifier
Gain earpiece amplifier MSB
W Line impedance selection (1 = 1 k )
Short circuit during pulse dialing
Switch for additional external line impedance
AFS gain adjustment LSB
AFS gain adjustment
AFS gain adjustment
AFS gain adjustment
AFS gain adjustment
AFS gain adjustment MSB
Enable 4–point sensing
Gain speaker amplifier LSB
Gain speaker amplifier
Gain speaker amplifier
Gain speaker amplifier
Gain speaker amplifier MSB
Speaker amplifier single-ended mode
Speaker amplifier charge-current adjustment LSB
Speaker amplifier charge-current adjustment MSB
Input selection ADC
Input selection ADC
Input selection ADC
Input selection ADC
Network tuning
Start of ADC conversion
Selection of ADC range
Mask for interrupt bits
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
0
0
0
0
0
0
0
0
0
0
0
0
Rev. A1, 02-Jun-98
9 (29)
Target Specification