U4091BM-N Datasheet, PDF (22/38 Pages) ATMEL Corporation – PROGRAMMABLE TELEPHONE AUDIO PROCESSOR

Figure 15. Block Diagram Hands-free Mode U4091BM-N 2-point Signal Sensing
MICRO
TXA
LOG
AFS
Line
control
LOG
SA
SAI
Figure 16. Block Diagram Hands-free Mode U4091BM-N 4-point Signal Sensing
TXA
MICRO
LOGT
CLOGT
BNMT
Mode
Line
control
BNMR
CLOGR
AFS
control
SA
SAI
CT
CCT
DTD
LOGR
22 U4091BM-N
4666B–CORD–08/04