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PM8621 参数 Datasheet PDF下载

PM8621图片预览
型号: PM8621
PDF下载: 下载PDF文件 查看货源
内容描述: NSE- 8G⑩标准产品数据表初步 [NSE-8G⑩ Standard Product Data Sheet Preliminary]
分类和应用:
文件页数/大小: 184 页 / 957 K
品牌: PMC [ PMC-SIERRA, INC ]
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NSE-8G™ Standard Product Data Sheet  
Preliminary  
RX_TIMEOUTE  
Writing a ‘1’ to the RX_TIMEOUTE bit enables the generation of an interrupt when  
RX_TIMEOUTI is a ‘1’  
RX_THRSHLD_VAL[2:0]  
Variable Threshold dictates the minimum number of messages required to be in the RXFIFO  
before an interrupt is generated. ‘000’ = 1 message ‘111’ = 8 messages.  
Table 9 RXFIFO Threshold Values  
RX_THRSHLD_VAL [2:0]  
Messages  
000  
001  
010  
011  
100  
101  
110  
111  
1
2
3
4
5
6
7
8
If the RXFIFO has not been read for the amount of time indicated by the  
RXFIFO_Timeout_delay AND the FIFO is not empty an interrupt will be generated if this bit  
is ‘1’. To disable set to ‘0’.  
If the RXFIFO overflows an interrupt will be generated if this bit is ‘1’. To disable set to ‘0’.  
If the Rx Message fails its CRC check, an interrupt will be generated if this bit is ‘1’. To  
disable set to ‘0’.  
RX_TIMEOUT_VAL  
These bits specify a variable delay, relative to a read from the receive message FIFO, in steps  
of 125 us, before an interrupt is generated, if the Receive FIFO level is greater than 0. The  
objective is to stop stale messages collecting in the RXFIFO.  
Proprietary and Confidential to PMC-Sierra, Inc., and for its Customers’ Internal Use  
Document ID: PMC-2010850, Issue 1  
122  
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