參數(shù)資料
型號: DS2196LN
廠商: DALLAS SEMICONDUCTOR
元件分類: Digital Transmission Controller
英文描述: DATACOM, FRAMER, PQFP100
封裝: LQFP-100
文件頁數(shù): 86/160頁
文件大小: 559K
代理商: DS2196LN
DS2196
31 of 160
The factory in testing the DS2196 uses the two Test Registers at addresses 09 and 7D hex. On power–up,
the Test Registers should be set to 00 hex in order for the DS2196 to operate properly.
RCR1A: RECEIVE CONTROL REGISTER 1 FRAMER A (Address = 2B Hex)
(MSB)
(LSB)
LCVCRF
ARC
OOF1
OOF2
SYNCC
SYNCT
SYNCE
RESYNC
SYMBOL
POSITION
NAME AND DESCRIPTION
LCVCRF
RCR1A.7
Line Code Violation Count Register Function Select.
0 = do not count excessive 0’s
1 = count excessive 0’s
ARC
RCR1A.6
Auto Resync Criteria.
0 = Resync on OOF or RCL event
1 = Resync on OOF only
OOF1
RCR1A.5
Out Of Frame Select 1.
0 = 2/4 frame bits in error
1 = 2/5 frame bits in error
OOF2
RCR1A.4
Out Of Frame Select 2.
0 = follow RCR1.5
1 = 2/6 frame bits in error
SYNCC
RCR1A.3
Sync Criteria.
In D4 Framing Mode.
0 = search for Ft pattern, then search for Fs pattern
1 = cross couple Ft and Fs pattern
In ESF Framing Mode.
0 = search for FPS pattern only
1 = search for FPS and verify with CRC6
SYNCT
RCR1A.2
Sync Time.
0 = qualify 10 bits
1 = qualify 24 bits
SYNCE
RCR1A.1
Sync Enable.
0 = auto resync enabled
1 = auto resync disabled
RESYNC
RCR1A.0
Resync. When toggled from low to high, a resynchronization
of the receive side framer is initiated. Must be cleared and set
again for a subsequent resync.
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