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型號(hào)：	PM73122-BI
廠商：	PMC-SIERRA INC
元件分類：	數(shù)字傳輸電路
英文描述：	32 LINK CES/DBCES AAL1 SAR PROCESSOR
中文描述：	ATM SEGMENTATION AND REASSEMBLY DEVICE, PBGA352
封裝：	35 X 35 MM, 1.51 MM HEIGHT, SBGA-352
文件頁(yè)數(shù)：	55/489頁(yè)
文件大?。?/td>	4416K
代理商：	PM73122-BI

PM73122 AAL1GATOR-32

32 LINK CES/DBCES AAL1 SAR PROCESSOR

PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE

This signal has different meanings depending

upon the type of SSRAM that the AAL1gator-32

is programmed to interface to.

Pipelined Single-Cycle Deselect SSRAM

RAM1 Address Status Control is an active low

output for external memory and is used to

cause a new external address to be loaded into

Pipelined ZBT SSRAM

: RAM1 R/W indicates

the direction of the transfer.

Maximum output current (IMAX) = 6 mA.

RAM1 Parity is a two bit bi-directional signal that

indicates odd parity for the upper and lower byte

of RAM1_D[15:0].

Maximum output current (IMAX) = 6 mA

For different modes of the line interface the I/O is redefined. For Direct

Low Speed mode there are 16 pairs of bi-directional lines, which can support

links up to 2.5 Mbps. For H-MVIP mode there are eight pairs of 8 Mbps

bidirectional lines, which are compatible with the H-MVIP specification. For High

Speed mode there are two lines, which can support unchannelized data streams

up to 45 Mbps. And lastly, there is the SBI mode, which supports one SBI

interface. For H-MVIP mode, high speed (HS) mode and SBI mode the upper 8

Direct Low Speed lines become the 2

ram interface. For SBI mode the bottom

8 Direct Low Speed lines become the SBI interface.

Table 1 defines which signal tables need to be used for each possible mode.

Select the mode of the line interface that will be used and refer to the tables

listed. Table 2 on page 48 shows how pins are shared between the different

Table 1 Line Interface Signal Table Selection

Line Interface Table

RAM2 Interface Table

Direct Low Speed

Yes (if using upper 4 lines)

相關(guān)PDF資料	PDF描述
PM73123	8 LINK CES/DBCES AAL1 SAR
PM73123-PI	8 LINK CES/DBCES AAL1 SAR
PM73124	4 Link CES/DBCES AAL1 SAR
PM7323	ROUTING CONTROL, MONITORING, & POLICING 200 MBPS
PM7323-SI	ROUTING CONTROL, MONITORING, & POLICING 200 MBPS

相關(guān)代理商/技術(shù)參數(shù)	參數(shù)描述
PM73122-BIP	制造商:PMC-Sierra 功能描述:AAL1GATOR32 EOL270906
PM73122-BI-P	制造商:PMC-Sierra 功能描述:
PM73123	制造商:PMC 制造商全稱:PMC 功能描述:8 Link CES/DBCES AAL1 SAR
PM73123PI	制造商:PMC-Sierra 功能描述:
PM73123-PI	制造商:PMC 制造商全稱:PMC 功能描述:8 LINK CES/DBCES AAL1 SAR

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