參數(shù)資料
型號： DS2151QB+
廠商： Maxim Integrated Products
文件頁數(shù)： 21/60頁
文件大?。?/td> 0K
描述： IC TXRX T1 1-CHIP 5V LP 44-PLCC
產(chǎn)品培訓(xùn)模塊： Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝： 26
功能： 單芯片收發(fā)器
接口： T1
電路數(shù)： 1
電源電壓： 4.75 V ~ 5.25 V
電流 - 電源： 65mA
工作溫度： 0°C ~ 70°C
安裝類型： 表面貼裝
封裝/外殼： 44-LCC（J 形引線）
供應(yīng)商設(shè)備封裝： 44-PLCC（16.59x16.59）
包裝： 管件
包括： 警報檢測器和發(fā)生器，CSU 回路代碼發(fā)生器和檢測器，DSX-1和CSU 線路補(bǔ)償發(fā)生器
產(chǎn)品目錄頁面： 1429 (CN2011-ZH PDF)
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
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
DS2151QB/T&R 制造商:Maxim Integrated Products 功能描述:T1 SINGLE CHIP XCVR REV B T&R - Tape and Reel
DS2151QB/T&R+ 制造商:Maxim Integrated Products 功能描述:FRAMER DS1/E1/ISDN-PRI/T1 5V 44PLCC - Tape and Reel
DS2151QB/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
DS2151QB+ 功能描述:網(wǎng)絡(luò)控制器與處理器 IC T1 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
DS2151QB+T&R 制造商:Maxim Integrated Products 功能描述:FRAMER DS1/E1/ISDN-PRI/T1 5V 44PLCC - Tape and Reel
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