參數(shù)資料
型號: DS21Q55DK
英文描述: Quad T1/E1/J1 Transceiver Design Kit Daughter Card
中文描述: 四路T1/E1/J1收發(fā)器開發(fā)板子卡
文件頁數(shù): 83/99頁
文件大?。?/td> 325K
代理商: DS21Q55DK
DS21Q50
Page 83 of 99
Figure 22-8 DS21Q50 FRAMER SYNCHRONIZATION FLOWCHART
FAS Resync
Criteria Met
Check for >=915
Out of 1000
CRC4 Word Errors
8ms
Time
Out
RLOS = 1
Set FASRC
(RIR.1)
CAS Resync
Criteria Met;
Set CASRC
(RIR.0)
FAS Search
FASSA = 1
FAS Sync
Criteria Met
FASSA = 0
CAS Sync
Criteria Met
CASSA = 0
If CRC4 is on
(CCR1.0 = 1)
RLOS = 1
If CAS is on
(CCR1.3 = 0)
Power Up
Increment CRC4
Sync Counter;
CRC4SA = 0
CRC4 Resync
Criteria Met
(RIR.2)
CAS Multiframe Search
(if enabled via CCR1.3)
CASSA = 1
CRC4 Multiframe Search
(if enabled via CCR1.0)
CRC4SA = 1
Resync if
RCR1.0 = 0
Check for FAS
Framing Error
(depends on RCR1.2)
Check for CAS
MF Word Error
Sync Declared
RLOS = 0
CRC4 Sync Criteria
Met; CRC4SA = 0;
Reset CRC4
Sync Counter
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
DS21Q55N 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Quad T1/E1/J1 Transceiver
DS21Q58 制造商:DALLAS 制造商全稱:Dallas Semiconductor 功能描述:E1 Quad Transceiver
DS21Q58L 功能描述:網(wǎng)絡(luò)控制器與處理器 IC Quad E1 Transceiver RoHS:否 制造商:Micrel 產(chǎn)品:Controller Area Network (CAN) 收發(fā)器數(shù)量: 數(shù)據(jù)速率: 電源電流(最大值):595 mA 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PBGA-400 封裝:Tray
DS21Q58L+ 功能描述:網(wǎng)絡(luò)控制器與處理器 IC Quad E1 Transceiver RoHS:否 制造商:Micrel 產(chǎn)品:Controller Area Network (CAN) 收發(fā)器數(shù)量: 數(shù)據(jù)速率: 電源電流(最大值):595 mA 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PBGA-400 封裝:Tray
DS21Q58LN 功能描述:網(wǎng)絡(luò)控制器與處理器 IC RoHS:否 制造商:Micrel 產(chǎn)品:Controller Area Network (CAN) 收發(fā)器數(shù)量: 數(shù)據(jù)速率: 電源電流(最大值):595 mA 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PBGA-400 封裝:Tray