欢迎访问ic37.com |
会员登录 免费注册
发布采购

PM7348 参数 Datasheet PDF下载

PM7348图片预览
型号: PM7348
PDF下载: 下载PDF文件 查看货源
内容描述: [ATM/SONET/SDH IC, CMOS, PBGA324,]
分类和应用: ATM异步传输模式
文件页数/大小: 318 页 / 1736 K
品牌: PMC [ PMC-SIERRA, INC ]
 浏览型号PM7348的Datasheet PDF文件第66页浏览型号PM7348的Datasheet PDF文件第67页浏览型号PM7348的Datasheet PDF文件第68页浏览型号PM7348的Datasheet PDF文件第69页浏览型号PM7348的Datasheet PDF文件第71页浏览型号PM7348的Datasheet PDF文件第72页浏览型号PM7348的Datasheet PDF文件第73页浏览型号PM7348的Datasheet PDF文件第74页  
S/UNI-IMA-4 Telecom Standard Product Data Sheet  
Released  
Figure 23 Group Statistics Flow Diagram  
IDCC Request Available  
and RDAT Enabled  
No  
Is IDCC Request  
type IMA?  
Yes  
IMA Group Statistics  
TC Group Statistics  
Do the embedded  
Is the MCFD channel  
Yes  
No  
sequence and  
full (or shadow  
channel for single  
mode?)  
Increment IMA  
dropped_cells  
Increment IMA filler_cells  
pointers match, and  
valid bit set?  
Yes  
No  
Is the MCFD channel  
Yes  
Increment IMA atm_cells  
Increment IMA  
dropped_cells  
full (or shadow  
channel for single  
mode?)  
No  
Increment IMA atm_cells  
10.2.5 Receive IMA Protocol Processor (RIPP)  
The Receive IMA Protocol Processor (RIPP) block is responsible for maintaining and  
controlling the link and group state machines. The RIPP can accept commands from the  
management plane to initiate group and link state machine actions. The RIPP then controls the  
contents of ICP cells generated for the transmit data path, as well as analyzes the link and group  
states received within the ICP cells. The receive link and group states are utilized to maintain  
and update the link and group states. The RIPP coordinates group-wide state transactions and  
performs the group-wide procedures such as the Synchronized Link activation during Group  
Start-up Procedure and the Link Addition and Slow Recovery (LASR) procedure. When the  
links change state, the RIPP also coordinates the rate change between the round-robin  
procedures located in the receive and transmit data paths and their respective rate schedulers.  
Since failures are based upon the persistence of defects, the defects are detected and passed as  
interrupts/status to the management plane. PM is responsible for the integration of defects into  
failure conditions and to set the failure conditions in the S/UNI-IMA-4.  
Proprietary and Confidential to PMC-Sierra, Inc., and for its customers’ internal use.  
Document No.: PMC-2020889, Issue 2  
70