參數(shù)資料
型號： DS2196LN
廠商： DALLAS SEMICONDUCTOR
元件分類： Digital Transmission Controller
英文描述： DATACOM, FRAMER, PQFP100
封裝： LQFP-100
文件頁數(shù)： 127/160頁
文件大小： 559K
代理商： DS2196LN
DS2196
69 of 160
Table 8-1: LINE CODE VIOLATION COUNTING ARRANGEMENTS
COUNT EXCESSIVE
ZEROS
(RCR1.7)
B8ZS ENABLED
(CCR2.2)
WHAT IS COUNTED
IN THE LCVCRs
no
BPVs
yes
no
BPVs + 16 consecutive
zeros
no
yes
BPVs (B8ZS code words
not counted)
yes
BPV’s + 8 consecutive
zeros
Path Code Violation Count Register (PCVCR) When the receive side of a framer is set to operate in the
ESF framing mode (CCR2.3=1), PCVCR will automatically be set as a 12–bit counter that will record
errors in the CRC6 code words. When set to operate in the D4 framing mode (CCR2.3=0), PCVCR will
automatically count errors in the Ft framing bit position.
Via the RCR2.1 bit, a framer can be
programmed to also report errors in the Fs framing bit position. The PCVCR will be disabled during
receive loss of synchronization (RLOS=1) conditions. See Table 8-2 for a detailed description of exactly
what errors the PCVCR counts.
PCVCR1A: PATH VIOLATION COUNT REGISTER 1 FRAMER A (Address = 25 Hex)
PCVCR2A: PATH VIOLATION COUNT REGISTER 2 FRAMER A (Address = 26 Hex)
PCVCR1B: PATH VIOLATION COUNT REGISTER 1 FRAMER B (Address = C5 Hex)
PCVCR2B: PATH VIOLATION COUNT REGISTER 2 FRAMER B (Address = C6 Hex)
(MSB)
(LSB)
(note 1)
CRC/
FB11
CRC/
FB10
CRC/
FB9
CRC/
FB8
PCVCR1
CRC/
FB7
CRC/
FB6
CRC/
FB5
CRC/
FB4
CRC/
FB3
CRC/
FB2
CRC/
FB1
CRC/
FB0
PCVCR2
SYMBOL
POSITION
NAME AND DESCRIPTION
CRC/FB11
PCVCR1.3
MSB of the 12–Bit CRC6 Error or Frame Bit Error Count
(note #2)
CRC/FB0
PCVCR2.0
LSB of the 12–Bit CRC6 Error or Frame Bit Error Count
(note #2)
NOTES:
1. The upper nibble of the counter at address 25 is used by the Multiframes Out of Sync Count Register
2. PCVCR counts either errors in CRC code words (in the ESF framing mode; CCR2.3=1) or errors in
the framing bit position (in the D4 framing mode; CCR2.3=0).
相關(guān)PDF資料
PDF描述
DS21FF44 DATACOM, FRAMER, PBGA300
DS21FF44N DATACOM, FRAMER, PBGA300
DS21FT40N DATACOM, FRAMER, PBGA300
DS21FT40 DATACOM, FRAMER, PBGA300
DS21FT42 DATACOM, FRAMER, PBGA300
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
DS2196LN+ 功能描述:網(wǎng)絡(luò)控制器與處理器 IC T1 Dual Framer LIU 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
DS219T 功能描述:烙鐵 DESOLDERING HEAD RoHS:否 制造商:Weller 產(chǎn)品:Soldering Stations 類型:Digital, Iron, Stand, Cleaner 瓦特:50 W 最大溫度:+ 850 F 電纜類型:US Cord Included
DS21E352 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
DS21E352N 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
DS21E354 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
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