參數(shù)資料
型號: DS3160
元件分類: 通信及網(wǎng)絡(luò)
英文描述: Ultraframer DS3/E3/DS2/E2/DS1/E1/DS0
中文描述: Ultraframer DS3/E3/DS2/E2/DS1/E1/DS0
文件頁數(shù): 18/107頁
文件大?。?/td> 592K
代理商: DS3160
DS3160
18 of 107
Signal Name:
Signal Description:
Signal Type:
This signal is forced high when the receive framer is in a loss-of-signal (LOS) state. It remains high as
long as the LOS state persists and returns low when the framer exits the LOS state.
FRLOS
Receive Framer Loss of Signal
Output
Signal Name:
Signal Description:
Signal Type:
This signal is forced high when the receive framer is in a loss-of-frame (LOF) state. It remains high as
long as the LOF state persists and returns low when the framer synchronizes.
FRLOF
Receive Framer Loss of Frame
Output
Figure 2.3A. RECEIVE FRAMER TIMING
NOTES:
1)
FRCLK, FRD, and FRDEN can be inverted by Master Configuration Register 2 (MC2).
2)
Valid last active timeslots include TS24, TS48, TS72, and TS96.
FRCLK
INVERTED MODE
FRD
(NOTE 1)
LAST BIT OF LAST
ACTIVE TIMESLOT
(NOTE 2)
FRCLK
NORMAL MODE
FRDEN
DATA STROBE MODE
(NOTE 1)
FRDEN
GAPPED CLOCK MODE
(NOTE 1)
FIRST BIT OF THE
FRAME, BIT 1
LAST BIT OF FRAMING
OVERHEAD, BIT 789
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