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PDF PM8621 Data sheet ( Hoja de datos )
| Número de pieza | PM8621 | |
| Descripción | NSE-8G Standard Product Data Sheet Preliminary | |
| Fabricantes | PMC-Sierra | |
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Hay una vista previa y un enlace de descarga de PM8621 (archivo pdf) en la parte inferior de esta página. Total 30 Páginas | ||
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NSE-8G™ Standard Product Data Sheet
Preliminary
PM8621
NSE-8G
8G Narrowband Switch Element
Data Sheet
Preliminary
Issue 1: May, 2001
Proprietary and Confidential to PMC-Sierra, Inc., and for its Customers’ Internal Use
Document ID: PMC- PMC-2010850, Issue 1
1 page  
NSE-8G™ Standard Product Data Sheet
Preliminary
9.9.1 In-Band Signaling Channel Fixed Overhead........................................52
9.10 Microprocessor Interface ..................................................................................53
10 Normal Mode Register Description............................................................................57
11 Test Features Description........................................................................................125
11.1 Master Test and Test Configuration Registers ................................................125
11.2 JTAG Test Port ................................................................................................127
11.2.1 Boundary Scan Cells..........................................................................131
12 Operation .................................................................................................................134
12.1 Software Default Settings ...............................................................................134
12.1.1 Setting the T8TE Time-slot Configuration #1 Register.......................134
12.1.2 Setting the T8TE Time-slot Configuration #2 Register.......................134
12.1.3 Configuring the NSE-8G to Use Fewer Links ....................................134
12.1.4 PCB Design Notes .............................................................................136
12.2 “C1” Synchronization.......................................................................................136
12.3 Synchronized Control Setting Changes ..........................................................137
12.3.1 SBS/NSE-8G Systems with DS0 and CAS Switching .......................137
12.3.2 SBS/NSE-8G Systems Switching DS0s without CAS........................139
12.3.3 SBS/NSE-8G non-DS0 Level Switching with SBI336 Devices ..........141
12.4 NSE-8G CPU Interaction with the Switching Cycle When Using the ILC.......142
12.5 Controlling Frame Alignment in the Receive Port ...........................................143
12.6 DS0 Cross-Bar Switch (DCB) Operation ........................................................144
12.6.1 Configuring the DCB using Port Transfer Mode.................................144
12.6.2 Configuring the DCB using Word transfer mode:...............................145
12.6.3 Reading Configurations......................................................................146
12.6.4 DCB Online to Offline Memory Page Copy ........................................146
12.7 Telecombus Mode Operation ..........................................................................147
12.8 SBI Column Mode Operation ..........................................................................147
12.9 SBI DS0 Mode Operation ...............................................................................148
12.10 SBI DS0 with CAS Mode Operation................................................................148
12.11 ILC Operation..................................................................................................149
12.12 ILC CPU Operations .......................................................................................149
12.12.1 Accessing the Transmit Message FIFO .............................................149
12.12.2 Accessing the Receive Message FIFO ..............................................150
12.12.3 Handling the Transmit Header ...........................................................153
12.12.4 Handling the Receive Header ............................................................154
Proprietary and Confidential to PMC-Sierra, Inc., and for its Customers’ Internal Use
Document ID: PMC-2010850, Issue 1
4
5 Page 
NSE-8G™ Standard Product Data Sheet
Preliminary
List of Tables
Table 1 Analog Power Filters ..........................................................................................39
Table 2 SBI336S Character Encoding ............................................................................43
Table 3 Serial TelecomBus Character Encoding ............................................................45
Table 4 Switching Control RAM Layout...........................................................................50
Table 5 In-band Message Header Fields ........................................................................52
Table 6 NSE-8G Register Map........................................................................................54
Table 7 TX FIFO Message Level ..................................................................................114
Table 8 RX FIFO Message Level ..................................................................................119
Table 9 RXFIFO Threshold Values ...............................................................................122
Table 10 RXFIFO Timeout Delay ..................................................................................123
Table 11 Test Mode Register Memory Map ..................................................................125
Table 12 Instruction Register (Length - 3 bits) ..............................................................127
Table 13 Identification Register.....................................................................................127
Table 14 Boundary Scan Register ................................................................................128
Table 15 Absolute Maximum Ratings............................................................................170
Table 16 D.C Characteristics ........................................................................................171
Table 17 Microprocessor Interface Read Access .........................................................173
Table 18 Microprocessor Interface Write Access..........................................................175
Table 19 NSE-8G Input Timing (Figure 40) ..................................................................176
Table 20 RSTB Timing (Figure 41 ) ..............................................................................177
Table 21 Serial SBI Bus Interface .................................................................................178
Table 22 JTAG Port Interface ( Figure 42) ....................................................................178
Proprietary and Confidential to PMC-Sierra, Inc., and for its Customers’ Internal Use
Document ID: PMC-2010850, Issue 1
10
11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet PM8621.PDF ] | |
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