參數(shù)資料
型號: STLC5460
廠商: 意法半導(dǎo)體
英文描述: Line Card Interface Controller(線路卡片接口控制器)
中文描述: 線卡接口控制器(線路卡片接口控制器)
文件頁數(shù): 39/54頁
文件大?。?/td> 376K
代理商: STLC5460
R CM
0
Subchannelselect
and datarate
1
1 of 192input timeslots
1 of 2 insertregisters
1 of 192 output timeslots
1 of 2 extractregisters
CMD
SRC
DST
CommandMemory
194 words of 14 bits
A
IN
IN
6
8
8
R=0 Write
CM=1 Command
Memory
APPENDIX
MEMORY ACCESSES
COMMAND MEMORY ACCESSES. CM=1
Write
CommandMemory:
CMD and SRC registersare writtenif theirbits have not the rightvalue.
CMD and SRC registerscan be written in any order.
DST registeris always written the last
Read
CommandMemory in two steps:
Firststep: register writing
CMD register is writtenif its bits are not the right value.
SRC registeris not written.
DST registeris alwayswritten the last.
R CM
1
bits not used
1
Register not written
1 of 192 output timeslots
1 of 2 extractregister
CMD
SRC
DST
Command Memory
194 words of 14 bits
A
OUT
OUT
R CM
1
selectedchannel
anddata rate
1
1 of 192 input timeslots
1 of 2 insert registers
1 of 192 outputtimeslots
1 of 2 extractregisters
CMD
SRC
DST
8
8
6
2
Secondstep: register reading:
CMD and SRC registers may be read in any order.
DST registeris not changed.
STLC5460
39/54
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