PEB3265 Infineon Technologies Corporation, PEB3265 Datasheet - Page 39

• Manufacturer Part Number: PEB3265
• Description: (PEB326x / PEB426x) Dual Channel Slicofi-2 / Slic Duslic
• Manufacturer: Infineon Technologies Corporation

Preliminary
Figure 12
The Enhanced Digital Signal Processor (EDSP) realizing the add-on funtions
integrated in the SLICOFI-2 (PEB 3265) device.
Figure 12
1)
Data Sheet
The add-on functions are DTMF detection, Caller ID generation, Message Waiting lamp support, Three Party
Conferencing, Universal Tone Detection (UTD), Line Echo Cancellation (LEC) and Sleep Mode.
VCMITA
VCMITB
ITACA
ITACB
DCNA
DCNB
ACNA
ACPA
DCPA
ACNB
ACPB
DCPB
C1A
C2A
C1B
C2B
shows the internal block structure of all SLICOFI-2x codec versions available.
ILA
ITA
ILB
ITB
CDCNA CDCPA
Block Diagram SLICOFI-2/-2S/-2S2 (PEB 3265, PEB 3264/-2)
Prefi
Prefi
Pofi
Pofi
GNDA
PEB 3265 / PEB 3264 / PEB 3264-2
Super-
Super-
vision
vision
Interf.
CDCNB CDCPB
Interf.
IMa
IMa
GNDD
HV
HV
+
+
GNDR
ADC
DAC
ADC
DAC
GNDPLL
Channel A
Channel B
VCM
HW-Fi
HW-Fi
HW-Fi
HW-Fi
VDDA
VCMS
DBUS
VDDD
IO1A IO2A IO3A IO4A IO1B IO2B IO3B IO4B
COMPAND
CRAM
VDDR
39
DSP
VDDPLL
PEB 3265 only
CONTR
CREF
EDSP
PCM/IOM-2
RESET
IOM-2
PCM
Functional Description
µC
IOM-2
Interface
PCM / µC
Interface
or
ezm22021.emf
2000-07-14
DuSLIC
1)
is only