參數(shù)資料
型號： DS2151QNB
廠商： MAXIM INTEGRATED PRODUCTS INC
元件分類： Digital Transmission Controller
英文描述： DATACOM, FRAMER, PQCC44
封裝： 0.652 INCH, PLASTIC, LCC-44
文件頁數(shù)： 21/62頁
文件大?。?/td> 921K
代理商： DS2151QNB
DS2151Q
28 of 60
6.2 Path Code Violation Count Register (PCVCR)
When the receive side of the DS2151Q 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 codewords. 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, the DS2151Q 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 6-2 for a detailed description of exactly what errors the PCVCR counts.
PCVCR1: PATH VIOLATION COUNT REGISTER 1 (Address = 25 Hex)
PCVCR2: PATH VIOLATION COUNT REGISTER 2 (Address = 26 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)
Note 1: The upper nibble of the counter at address 25 is used by the Multiframes Out of Sync Count Register.
Note 2: PCVCR counts either errors in CRC codewords (in the ESF framing mode; CCR2.3 = 1) or errors in the framing bit position (in the
D4 framing mode; CCR2.3 = 0).
Table 6-2. Path Code Violation Counting Arrangements
FRAMING MODE
(CCR2.3)
COUNT FS ERRORS?
(RCR2.1)
WHAT IS COUNTED
IN THE PCVCRs
D4
No
Errors in the Ft pattern
D4
Yes
Errors in both the Ft and Fs patterns
ESF
Don’t Care
Errors in the CRC6 codewords
相關(guān)PDF資料
PDF描述
DS2151QB DATACOM, FRAMER, PQCC44
DS2152LN DATACOM, FRAMER, PQFP100
DS2152L DATACOM, FRAMER, PQFP100
DS2153Q DATACOM, FRAMER, PQCC44
DS2154L DATACOM, FRAMER, PQFP100
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
DS2151QNB/T&R 制造商:Maxim Integrated Products 功能描述:T1 SINGLE CHIP XCVR REV B IND - Tape and Reel
DS2151QNB/T&R 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
DS2151QNB+ 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
DS2151QNB+T&R 制造商:Maxim Integrated Products 功能描述:FRAMER DS1/E1/ISDN-PRI/T1 5V 44PLCC - Tape and Reel
DS2151QNB+T&R 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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