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PM73487 参数 Datasheet PDF下载

PM73487图片预览
型号: PM73487
PDF下载: 下载PDF文件 查看货源
内容描述: 622 Mbps的ATM流量管理设备 [622 Mbps ATM Traffic Management Device]
分类和应用: 异步传输模式ATM
文件页数/大小: 251 页 / 2936 K
品牌: PMC [ PMC-SIERRA, INC ]
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Released  
Datasheet  
PM73487 QRT  
PMC-Sierra, Inc.  
PMC-980618  
Issue 3  
622 Mbps ATM Traffic Management Device  
9.2.6.2 RX_SERVICE_TABLE  
The RX_SERVICE_TABLE is configured to provide an SCQ with a minimum cell rate. When no  
strict cell is present, the queue service algorithm examines the SC named and serves a cell from  
that class if there is one, advancing the pointer to this table.  
Type: Read/Write  
If RX_LONG_SVC_TBL=0  
Long base offset: base_address + F80h  
Number of entries: 127  
If RX_LONG_SVC_TBL=1 (not valid if ALRAM_CONFIG=0)  
Long base offset: base_address + 1000h  
if RX_4_RR_PTRS = 0  
Number of entries: 511  
if RX_4_RR_PTRS = 1  
Number of entries: 4x511  
Index: 1h  
Format: Refer to the following table.  
Field (Bits)  
Description  
RAM is not present in these bit locations.  
Not present  
(31:16)  
Not used  
(15:6)  
Write with a 0 to maintain software compatibility with future versions.  
FIRST_SC  
(5:0)  
SC to service if there are no strict service cells. To create a null entry, enter one of the  
strict SCs.  
182  
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