參數(shù)資料
型號(hào)： DS2151Q
廠商： MAXIM INTEGRATED PRODUCTS INC
元件分類(lèi)： 數(shù)字傳輸電路
英文描述： T1 Single-Chip Transceiver(T1單片收發(fā)器)
中文描述： DATACOM, FRAMER, PQCC44
封裝： 0.652 INCH, PLASTIC, LCC-44
文件頁(yè)數(shù)： 20/46頁(yè)
文件大?。?/td> 307K
代理商： DS2151Q
DS2151Q
022698 20/46
PCVCR1: PATH VIOLATION COUNT REGISTER 1
(Address=25 Hex)
PCVCR2: PATH VIOLATION COUNT REGISTER 2
(Address=26 Hex)
(MSB)
(LSB)
(note 1)
(note 1)
(note 1)
(note 1)
CRC/FB11
CRC/FB10
CRC/FB9
CRC/FB8
CRC/FB7
CRC/FB6
CRC/FB5
CRC/FB4
CRC/FB3
CRC/FB2
CRC/FB1
CRC/FB0
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 fram-
ing bit position (in the D4 framing mode; CCR2.3=0).
PATH CODE VIOLATION COUNTING ARRANGEMENTS
Table 5–2
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 code words
5.3 Multiframes Out of Sync Count Register
(MOSCR)
Normally the MOSCR is used to count the number of
multiframes that the receive synchronizer is out of sync
(RCR2.0=1). This number is useful in ESF applications
needing to measure the parameters Loss Of Frame
Count (LOFC) and ESF Error Events as described in
AT&T publication TR54016. When the MOSCR is oper-
ated in this mode, it is not disabled during receive loss of
synchronization (RLOS=1) conditions. The MOSCR
has alternate operating mode whereby it will count
either errors in the Ft framing pattern (in the D4 mode) or
errors in the FPS framing pattern (in the ESF mode).
When the MOSCR is operated in this mode, it is dis-
abled during receive loss of synchronization (RLOS=1)
conditions. See Table 5–3 for a detailed description of
what the MOSCR is capable of counting.
MOSCR1: MULTIFRAMES OUT OF SYNC COUNT REGISTER 1
(Address=25 Hex)
MOSCR2: MULTIFRAMES OUT OF SYNC COUNT REGISTER 2
(Address=27 Hex)
(MSB)
(LSB)
MOS/FB11
MOS/FB10
MOS/FB9
MOS/FB8
(note 1)
(note 1)
(note 1)
(note 1)
MOS/FB7
MOS/FB6
MOS/FB5
MOS/FB4
MOS/FB3
MOS/FB2
MOS/FB1
MOS/FB0
SYMBOL
POSITION
NAME AND DESCRIPTION
MOS/FB11
MOSCR1.7
MSB of the 12–Bit Multiframes Out of Sync or F–Bit Error Count (note 2)
MOS/FB0
MOSCR2.0
LSB of the 12–Bit Multiframes Out of Sync or F–Bit Error Count (note 2)
PCVCR1
PCVCR2
MOSCR1
MOSCR2
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
DS2151Q/T&R 制造商:Maxim Integrated Products 功能描述:IC TXRX T1 1-CHIP 5V LP 44-PLCC
DS2151Q/T&R 功能描述:IC TXRX T1 1-CHIP 5V LP 44-PLCC RoHS:否 類(lèi)別:集成電路 (IC) >> 接口 - 電信 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS 產(chǎn)品變化通告:Product Discontinuation 06/Feb/2012 標(biāo)準(zhǔn)包裝:750 系列:*
DS2151QB 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/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
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