peb20560 Infineon Technologies Corporation, peb20560 Datasheet - Page 24

• Manufacturer Part Number: peb20560
• Description: Dsp Oriented Pbx Controller Doc
• Manufacturer: Infineon Technologies Corporation

Semiconductor Group
DSP Oriented PBX Controller (DOC)
The DOC is comprising all necessary functional blocks like switching, signaling,
DTMF/tone handling and conferencing on a single chip.
The transceivers (layer 1 ICs) are not integrated.
.
Figure 1-3
IOM -2
Interfaces
R
Principle Block Diagram of the DOC
Layer-1 ICs:
Controllers
MONITOR
Generator
Controller
6 x HDLC
Handlers
C/I and
Clock
JTAG
of
µ
µ
Tone, Voice and Data
192 x 128 Time-Slots
P-Mail Box
P Interface
96 x 256 Time-Slots
2 HDLC Controllers
D-Channel Arbiter
Processing
Switch
DSP
and
for
µ
or
P
1-4
Controller
Interrupt
Interface
Memory
Internal
PCM
DSP
UART
ITB10069
PCM
Highways
PEB 20560
Program
External
Memory
Data
DSP
and
for
Overview
2003-08