peb20560 Infineon Technologies Corporation, peb20560 Datasheet - Page 25

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

DSP Oriented PBX Controller
DOC
Version 2.1
1.1
The DOC provides all necessary features for building
PBX (Privat Branch eXchange) systems and Line
Cards.
• In the PBX mode (Figure 2-1), the DOC provides:
• In the Line Card mode (Figure 2-3), the DOC provides:
• Signaling via 8 assignable HDLC controllers, each with a 64-byte data FIFO for
• On-chip user programmable 16-bit Digital Signal Processor, OAK
Type
PEB 20560 V2.1
Semiconductor Group
– 6 fully usable IOM-2 (GCI) interfaces and thus it
– 4 PCM highways with 128 time-slots in total.
– 2 fully usable IOM-2 interfaces with 16 IOM-2 subframes (2 × 8) and
– 2 limited IOM-2 interfaces, as two DSP ports are connected,
– 4 PCM highways with 256 time-slots in total.
transmit and for receive direction.
– 2 HDLC controllers (SACCO-A) assignable to two of up to 48 ISDN subscribers at
– 4 HDLC controllers (SIDEC) assignable to any D-/B-channel in data upstream or
– 2 HDLC controllers (SACCO-B) assignable to any time-slot in data upstream or
to 40 MIPS) with access to 64 time-slots (via one or two internal IOM-2 interfaces) for
DTMF/Tone generation and recognition, conferencing, music-on-hold, modem
emulation, etc.
– 1 K × 16-bit on-chip data memory (X)
– 512 × 16-bit on-chip data memory (Y)
can control up to 48 ISDN or 96 analog
subscribers.
and thus it can control 16 to 24 ISDN (or 32 to 48 analogue) subscribers.
a time via two different D-channel Arbiters
data downstream direction on four IOM-2 interfaces.
data downstream direction of the four IOM-2 interfaces or the PCM highways.
Optionally, both controllers can be used as stand alone HDLC controllers with up to
8.192 Mbit/s transfer rate. They support DMA operation.
DOC Features
Ordering Code
Q67231-H1007
1-5
P-MQFP-160-1
Package
P-MQFP-160-1
®
, (with 20, 30 or up
PEB 20560
2003-08
CMOS