參數(shù)資料
型號: PM2329
英文描述: Telecommunication IC
中文描述: 通信集成電路
文件頁數(shù): 51/162頁
文件大?。?/td> 1581K
代理商: PM2329
Proprietary and Confidential to PMC-Sierra, Inc and for its Customers
Internal Use
Document ID: PMC-2010146, Issue 4
54
PM2329 ClassiPI Network Classification Processor Datasheet
Figure 11 Cascaded Bus Connectivity
2.5.3 Operation with Extended RAM
In this configuration, an Extended RAM is connected to one or more PM2329 devices. Each E-RAM is
controlled by one of the PM2329 devices, and all processor accesses to the E-RAM are through one of the
PM2329 devices.
As compared to non-extended configurations, the addition of the E-RAM enhances the basic OC
processing capabilities by providing OC sequencing, connection data storage, and update capabilities to
the PM2329.
The PM2329 can be connected to an E-RAM array up to 128K words deep. The maximum width of the E-
RAM depends on the number of PM2329 devices connected in cascade.
Table 16
Cascade Size vs. Maximum Physical E-RAM Width
Number of PM2329
devices in Cascade
1
2
3
4
5
6
7
8
Maximum Width of
ERAM Supported
(C-Word+D-Word)
64 (32+32)
96 (32+64)
128 (32+96)
160 (32+128)
192 (32+160)
224 (32+192)
256 (32+224)
256 (32+224)
ClassiPI #6
ClassiPI #0
ClassiPI #1
ClassiPI #7
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C O C D I N [ 0 : 7 ]
C O C D I N [ 0 : 7 ]
C O C D I N [ 0 : 7 ]
No Connect
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