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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 ]
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S/UNI-IMA-4 Telecom Standard Product Data Sheet  
Released  
Register 0x326: TIMA Indirect Memory Data MSB  
Bit  
15:0  
Type  
R/W  
Function  
MEM_DATA_MSB  
Default  
0
This register should not be written while the MEM_BUSY bit is set.  
MEM_DATA_MSB  
The MEM_DATA_MSB represents either: (1) the most significant 16 bits (31:16) of the  
data to be written to internal memory or (2) the most significant bits of the data resulting  
from the previous read operation. The read data is not valid until after the MEM_BUSY bit  
has been cleared by the TIMA. If a memory location is read which does not support bits  
31:16, then corresponding register bits are loaded with 0. If a memory location is written  
which does not support bits 31:16, then data in the corresponding register bits is ignored.  
Note that a write operation will corrupt the read data. The actual definition of each memory  
table is described below:  
Proprietary and Confidential to PMC-Sierra, Inc., and for its customers’ internal use.  
Document No.: PMC-2020889, Issue 2  
238  
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