XRT72L56 Datasheet, PDF (46/486 Pages) Exar Corporation – SIX CHANNEL DS3/E3 FRAMER IC WITH HDLC CONTROLLER

XRT72L56
SIX CHANNEL DS3/E3 FRAMER IC WITH HDLC CONTROLLER
REV. P1.1.2
PIN DESCRIPTION FOR THE XRT72L56
PIN #
AE26
AF1
AF2
AF3
AF4
AF5
AF6
AF7
AF8
AF9
AF10
AF11
AF12
AF13
AF14
AF15
AF16
AF17
AF18
AF19
AF20
AF21
AF22
AF23
AF24
PIN NAME
TxNib3[3]/
TxHDLCDat3[3]
RxAIS[4]
RxAIS[3]
RxRed[3]
DMO[3]
RLOL[3]
REQ[3]
NC
LLOOP[3]
TAOS[3]
RxOHEnable[1]/
RxHDLCDat5[1]
RxNib3[1]/
RxHDLCDat3[1]
RxOHInd[1]
RxOOF[1]
TxOHIns[1]/
TxHDLCDat4[1]
TxSer[1]/
SndMsg[1]
TxNib0[1]/
TxHDLCDat0[1]
TxOHInd[1]/
TxHDLCDat6[1]
TxOHFrame[1]/
TxHDLCClk[1]
RxSer[4]/
RxIdle[4]
RxFrame[4]
RxOH[4]/
RxHDLCDat6[4]
RxOOF[4]
TxOHInd[4]/
TxHDLCDat6[4]
TxAISEn[4]
TYPE
I
See Description for Pin B15
DESCRIPTION
O See Description for Pin A5
O See Description for Pin A5
O See Description for Pin A4
I
See Description for Pin D7
I
See Description for Pin B3
O See Description for Pin A1
O See Description for Pin B2
O See Description for Pin C4
O See Description for Pin A17
O See Description for Pin A19
O See Description for Pin C11
O See Description for Pin B8
I
See Description for Pin A16
I
See Description for Pin A24
I
See Description for Pin A23
O See Description for Pin A21
I
O See Description for Pin B13
O See Description for Pin B25
O See Description for Pin A9
O See Description for Pin B11
O See Description for Pin B8
O See Description for Pin A21
I
I
See Description for Pin A22
27
áç
PRELIMINARY