U4091BM-N Datasheet, PDF (13/38 Pages) ATMEL Corporation – PROGRAMMABLE TELEPHONE AUDIO PROCESSOR

U4091BM-N
Table 8. Names and Functions of the Serial Registers (Continued)
Register
Group
No.
Name
Description
R4B3
I4O5
Switch on AMPB/AGCI
R4B4
I5O1
Switch on AGCO/LTX
R4B5
I5O2
Switch on AGCO/SA
R4B6
I5O3
Switch on AGCO/EPO
R4B7
I5O4
Switch on AGCO/AMREC
R5
AGATX
R5B0
EAFS
Enable AFS block
MICLIM
R5B1
AGATX0
Gain transmit AGA LSB
R5B2
AGATX1
Gain transmit AGA
R5B3
AGATX2
Gain transmit AGA MSB
R5B4
MICHF
Select RF-microphone input
R5B5
DBM5
Maximum transmit level for anti-clipping
R5B6
MIC0
Gain microphone amplifier LSB
R5B7
MIC1
Gain microphone amplifier MSB
R6
Shut down R6B0
SD
Shut down
Sidetone
R6B1
free
R6B2
SL0
Slope adjustment for side tone LSB
R6B3
SL1
Slope adjustment for side tone MSB
R6B4
LF0
Low frequency adjustment for side tone LSB
R6B5
LF1
Low frequency adjustment for side tone
R6B6
LF2
Low frequency adjustment for side tone
R6B7
LF3
Low frequency adjustment for side tone MSB
R7
Sidetone
R7B0
P0
Pole adjustment for sidetone LSB
AGARX
R7B1
P1
Pole adjustment for side tone
R7B2
P2
Pole adjustment for side tone
R7B3
P3
Pole adjustment for side tone
R7B4
P4
Pole adjustment for side tone MSB
R7B5
AGARX0
Gain receive AGC LSB
R7B6
AGARX1
Gain receive AGC
R7B7
AGARX2
Gain receive AGC MSB
R8
EARA
R8B0
EA0
Gain earpiece amplifier LSB
Line imp.
R8B1
EA1
Gain earpiece amplifier
R8B2
EA2
Gain earpiece amplifier
R8B3
EA3
Gain earpiece amplifier
R8B4
EA4
Gain earpiece amplifier MSB
R8B5
IMPH
Line impedance selection (1 = 1 kΩ)
R8B6
LOMAKE
Short circuit during pulse dialing
4666B–CORD–08/04
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
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