参数资料
型号: DS21FF44N
厂商: DALLAS SEMICONDUCTOR
元件分类: Digital Transmission Controller
英文描述: DATACOM, FRAMER, PBGA300
封装: 27 X 27 MM, BGA-300
文件页数: 106/110页
文件大小: 526K
代理商: DS21FF44N
DS21FT44/DS21FF44
95 of 110
DS21Q44 TRANSMIT DATA FLOW Figure 22-15
Si Bit Insertion
Control
(TCR1.3)
Timeslot 0
Pass-Through
(TCR1.6)
E-Bit Generation
(TCR2.1)
Sa Bit Insertion
Control (TCR2.3
thru TCR2.7)
Idle Code / Channel
Insertion Control via
TIR1/2/3/4
Transmit Unframed All
Ones (TCR1.4) or
Auto AIS(CCR2.5)
Code Word
Generation
CRC4 Enable
(CCR1.4)
TAF
TNAF.5-7
TLINK
TS1 to TS16
TIDR
TPOS,
TNEG
0
1
0
1
0
01
1
0
01
1
0
AIS
Generation
Transmit Signaling
All Ones
(TCR1.2)
= Register
= Device Pin
= Selector
KEY:
TCBR1/2/3/4
RSER
(note #1)
CCR3.6
TCR1.5
Signaling Bit
Insertion Control
TIRFunction Select
(CCR3.5)
AIS
Generation
01
NOTES:
1. TCLKshould be tied to RCLKand TSYNCshould be tied to RFSYNCfor
data to be properly sourced fromRSER.
2. Auto Remote Alarmif enabled will only overwrite bit 3 of timeslot 0 in the
Not Align Frames if the alarmneeds to be sent.
Sa Bit Insertion
Control Register
(TSaCR)
1
0
TSa4toTSa8
TRA
TSiNAF
TSiAF
CRC4 Multiframe
Alignment Word
Generation (CCR.4)
Receive Side
CRC4 Error
Detector
01
Auto Remote Alarm
Generation (CCR2.4)
Per-Channel Code
Generation
(TCC1/2/3/4)
01
TC1toTC32
HDLC
ENGINE
DS0 Data
Source MUX
(TDC1/2)
01
TSER
&
TDATA
TAF/TNAF Bit
MUX
0
1
TNAF.0-4
Sa Data Source
MUX
(TDC1)
0
1
DS0 Monitor
TSIG
Hardware
Signaling
Insertion
01
TCBR1/2/3/4
CCR3.5
CCR3.2
相关PDF资料
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DS21FT40N DATACOM, FRAMER, PBGA300
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