U4091BM TEMIC Semiconductors, U4091BM Datasheet - Page 8

• Manufacturer Part Number: U4091BM
• Description: Programmable Telephone Audio Processor
• Manufacturer: TEMIC Semiconductors

Table 1. Names and functions of the serial bus registers
U4091BM
R0
R1
R2
R3
R4
R5
8 (29)
Register
Enables
Enables
Matrix
Matrix
Matrix
AGATX
MICLIM
Group
R0B0
R0B1
R0B2
R0B3
R0B4
R0B5
R0B6
R0B7
R1B0
R1B1
R1B2
R1B3
R1B4
R1B5
R1B6
R1B7
R2B0
R2B1
R2B2
R2B3
R2B4
R2B5
R2B6
R2B7
R3B0
R3B1
R3B2
R3B3
R3B4
R3B5
R3B6
R3B7
R4B0
R4B1
R4B2
R4B3
R4B4
R4B5
R4B6
R4B7
R5B0
R5B1
R5B2
R5B3
R5B4
R5B5
R5B6
R5B7
No
Target Specification
ENRING
ERX
ETX
ENVM
ENMIC
ENSTBAL
MUTE
ENRLT
ENSACL
ENSA
ENSAO
ENAM
ENAGC
free
free
FOFFC
I1O1
I1O2
I1O3
I1O4
I1O5
I2O1
I2O2
I2O3
I2O4
I2O5
I3O1
I3O2
I3O3
I3O4
I3O5
I4O1
I4O2
I4O3
I4O4
I4O5
I5O1
I5O2
I5O3
I5O4
free
AGATX0
AGATX1
AGATX2
MICHF
DBM5
MIC0
MIC1
Name
Enable ringer
Enable receive part
Enable transmit part
Enable VM–generator
Enable microphone
Enable sidetone
Muting earpiece amplifier
Enable POR low threshold
Enable anti-clipping for speaker amplifier
Enable speaker amplifier and AFS
Enable output stage speaker amplifier
Enable answering machine connections
Enable AGC for answering machine
Speed up offset canceller
Switch on MIC / LTX
Switch on MIC / SA
Switch on MIC / EPO
Switch on MIC / AMREC
Switch on MIC / AGCI
Switch on DTMF / LTX
Switch on DTMF / SA
Switch on DTMF / EPO
Switch on DTMF / AMREC
Switch on DTMF / AGCI
Switch on LRX / LTX
Switch on LRX / SA
Switch on LRX / EPO
Switch on LRX / AMREC
Switch on LRX / AGCI
Switch on AMPB / LTX
Switch on AMPB / SA
Switch on AMPB / EPO
Switch on AMPB / AMREC
Switch on AMPB / AGCI
Switch on AGCO / LTX
Switch on AGCO / SA
Switch on AGCO / EPO
Switch on AGCO / AMREC
Gain transmit AGA LSB
Gain transmit AGA
Gain transmit AGA MSB
Select RF-microphone input
Max. transmit level for anti-clipping
Gain microphone amplifier LSB
Gain microphone amplifier MSB
Description
Rev. A1, 02-Jun-98
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
Status
1
1
1