參數(shù)資料
型號: DS21Q44TN
英文描述: MICROSWITCH, SPDT, SIM ROLLER LEVER; Current, contact AC:5A; Force, operating:91.75gf; Travel, pre:16.0mm; Centres, fixing LxW:22.2mm; Temp, op. max:120(degree C); Temp, op. min:-40(degree C); Length / Height, external:9.25mm; Width, RoHS Compliant: Yes
中文描述: 增強(qiáng)的四素E1成幀器
文件頁數(shù): 29/105頁
文件大小: 620K
代理商: DS21Q44TN
DS21Q44
29 of 105
SYMBOL
POSITION
NAME AND DESCRIPTION
ODM
TCR2.2
Output Data Mode.
0 = pulses at TPOSO and TNEGO are one full TCLKO period
wide
1 = pulses at TPOSO and TNEGO are 1/2 TCLKO period wide
Automatic E–Bit Enable.
0 = E–bits not automatically set in the transmit direction
1 = E–bits automatically set in the transmit direction
Function of RLOS/LOTC Pin.
0 = Receive Loss of Sync (RLOS)
1 = Loss of Transmit Clock (LOTC)
AEBE
TCR2.1
PF
TCR2.0
CCR1: COMMON CONTROL REGISTER 1
(Address=14 Hex)
(MSB)
FLB
(LSB)
RCRC4
THDB3
TG802
TCRC4
RSM
RHDB3
RG802
SYMBOL
POSITION
NAME AND DESCRIPTION
FLB
CCR1.7
Framer Loopback.
0=loopback disabled
1=loopback enabled
Transmit HDB3 Enable.
0=HDB3 disabled
1=HDB3 enabled
Transmit G.802 Enable.
See Section 18 for details.
0=do not force TCHBLK high during bit 1 of timeslot 26
1=force TCHBLK high during bit 1 of timeslot 26
Transmit CRC4 Enable.
0=CRC4 disabled
1=CRC4 enabled
Receive Signaling Mode Select.
0=CAS signaling mode
1=CCS signaling mode
Receive HDB3 Enable.
0=HDB3 disabled
1=HDB3 enabled
Receive G.802 Enable.
See Section 18 for details.
0=do not force RCHBLK high during bit 1 of timeslot 26
1=force RCHBLK high during bit 1 of timeslot 26
Receive CRC4 Enable.
0=CRC4 disabled
1=CRC4 enabled
THDB3
CCR1.6
TG802
CCR1.5
TCRC4
CCR1.4
RSM
CCR1.3
RHDB3
CCR1.2
RG802
CCR1.1
RCRC4
CCR1.0
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