參數(shù)資料
型號： DS2154LN
廠商： Maxim Integrated Products
文件頁數(shù)： 14/87頁
文件大?。?/td> 0K
描述： IC TXRX E1 1CHIP 5V ENH 100-LQFP
產(chǎn)品培訓(xùn)模塊： Lead (SnPb) Finish for COTS
產(chǎn)品變化通告： Product Discontinuation 20/Feb/2012
標(biāo)準(zhǔn)包裝： 90
類型： 收發(fā)器
驅(qū)動(dòng)器/接收器數(shù)： 1/1
規(guī)程： E1
電源電壓： 4.75 V ~ 5.25 V
安裝類型： 表面貼裝
封裝/外殼： 100-LQFP
供應(yīng)商設(shè)備封裝： 100-LQFP（14x14）
包裝： 管件
DS2154
21 of 87
RCR1: RECEIVE CONTROL REGISTER 1 (Address = 10 Hex)
(MSB)
(LSB)
RSMF
RSM
RSIO
—
FRC
SYNCE
RESYNC
SYMBOL
POSITION
NAME AND DESCRIPTION
RSMF
RCR1.7
RSYNC Multiframe Function. Only used if the RSYNC pin is
programmed in the multiframe mode (RCR1.6 = 1).
0 = RSYNC outputs CAS multiframe boundaries
1 = RSYNC outputs CRC4 multiframe boundaries
RSM
RCR1.6
RSYNC Mode Select.
0 = frame mode (see the timing in Section 14)
1 = multiframe mode (see the timing in Section 14)
RSIO
RCR1.5
RSYNC I/O Select. (Note: This bit must be set to 0 when
RCR2.1 = 0.)
0 = RSYNC is an output (depends on RCR1.6)
1 = RSYNC is an input (only valid if elastic store enabled)
—
RCR1.4,
RCR1.3
Not Assigned. Should be set to 0 when written.
FRC
RCR1.2
Frame Resync Criteria.
0 = resync if FAS received in error three consecutive times
1 =resync if FAS or bit 2 of non-FAS is received in error three
consecutive times
SYNCE
RCR1.1
Sync Enable.
0 = auto resync enabled
1 = auto resync disabled
RESYNC
RCR1.0
Resync. When toggled from low to high, a resync is initiated.
Must be cleared and set again for a subsequent resync.
Table 4-1. Sync/Resync Criteria
FRAME OR
MULTIFRAME
LEVEL
SYNC CRITERIA
RESYNC CRITERIA
ITU SPEC.
FAS
FAS present in frame N and N + 2, and
FAS not present in frame N + 1
Three consecutive incorrect
FAS received
Alternate (RCR1.2 = 1) the
above criteria is met or three
consecutive incorrect bit 2 of
non-FAS received
G.706
4.1.1
4.1.2
CRC4
Two valid MF alignment words found
within 8ms
915 or more CRC4 code
words out of 1000 received in
error
G.706
4.2 and 4.3.2
CAS
Valid MF alignment word found and
previous time slot 16 contains code
other than all 0s
Two consecutive MF
alignment words received in
error
G.732
5.2
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參數(shù)描述
DS2154LN+ 功能描述:網(wǎng)絡(luò)控制器與處理器 IC Enhanced 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
DS2154LNA2 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
DS2154LNA2+ 功能描述:網(wǎng)絡(luò)控制器與處理器 IC Enhanced 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
DS2154LND2 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
DS2154LND2+ 制造商:Maxim Integrated Products 功能描述:ENHANCED E1 SCT LQFP REVD2 IND LF - Rail/Tube
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