cn8236 Mindspeed Technologies, cn8236 Datasheet - Page 29

• Manufacturer Part Number: cn8236
• Description: Atm Servicesar Plus With Xbr Traffic Management
• Manufacturer: Mindspeed Technologies

CN8236
ATM ServiceSAR Plus with xBR Traffic Management
Figure 1-1. CN8236 Functional Block Diagram
28236-DSH-001-B
Interface
PCI Bus
50
PCI Master/Slave
Master
Slave
Logic
Logic
PCI
PCI
Bus
Domain
Clock
PCI
8192 bytes)
Burst FIFO
Internal SRAM
Control/Status
Program-
(Depth =
64 bytes)
2048 or
(Depth =
mable
Registers,
Counters,
Burst
FIFO
and
DMA Coprocessor
(System Clock
Mindspeed Technologies
Domain)
Outgoing
Incoming
Channel
Channel
Local Bus
DMA
DMA
Interface
Memory
Arbiter
Segmentation Block
Reassembly Block
60
Local Bus
ABR Flow Control
Segmentation
xBR Scheduler /
Coprocessor
Reassembly
Coprocessor
Mgr.
xBR Traffic
Manager
(32 bit)
Clock/
Timer
™
256 bytes)
1 to 9 Cells)
mable from
(Depth =
Program-
(Depth =
Tx FIFO
FIFO
Rx
(ATM PHY Interface
(Boundary Scan
1.0 CN8236 Product Overview
Clock Domain)
Clock Domain)
Boundary
Scan
Physical
Physical
Port
Port
Rx
Tx
5
Test Bus
1.1 Introduction
26
26
ATM
Physical
Receive
Interface
ATM
Physical
Transmit
Interface
8236_001
1-3