參數(shù)資料
型號(hào): DS21348TN
英文描述: 3.3V E1/T1/J1 Line Interface
中文描述: 3.3 E1/T1/J1線路接口
文件頁(yè)數(shù): 20/73頁(yè)
文件大?。?/td> 551K
代理商: DS21348TN
DS21348/Q348
20 of 73
LOOP BACK CONTROL IN HARDWARE MODE
Table 4-5
LOOPBACK
SYMBOL
Remote Loop Back
RLB
Local Loop Back
LLB
Analog Loop Back
ALB
No Loop Back
-
CONTROL BIT
CCR6.6
CCR6.7
CCR6.4
-
LOOP1
1
1
0
0
LOOP0
1
0
1
0
TRANSMIT DATA CONTROL IN HARDWARE MODE
Table 4-6
TRANSMIT DATA
Transmit Unframed All Ones
Transmit Alternating Ones and Zeros
Transmit PRBS
TPOS and TNEG
SYMBOL
TUA1
TAOZ
TPRBSE
-
CONTROL BIT
CCR3.7
CCR3.5
CCR3.4
-
TX1
1
1
0
0
TX0
1
0
1
0
RECEIVE SENSITIVITY SETTINGS
Table 4-7
EGL
(CCR4.4)
0
1
1
0
ETS
(CCR1.7)
0 (E1)
0 (E1)
1 (T1)
1 (T1)
RECEIVE SENSITIVITY
-
12 dB (short haul)
-43 dB (long haul)
-30 dB (limited long haul)
-36 dB (long haul)
MONITOR GAIN SETTINGS
Table 4-8
MM1
(CCR5.5)
0
0
1
1
MM0
(CCR5.4)
0
1
0
1
INTERNAL LINEAR GAIN
BOOST (dB)
Normal operation (no boost)
20
26
32
INTERNAL RX TERMINATION SELECT
Table 4-9
RT1
(CCR5.1)
0
0
1
1
RT0
(CCR5.0)
0
1
0
1
INTERNAL RECEIVE
TERMINATION CONFIGURATION
Internal receive-side termination disabled
Internal receive-side 120 enabled
Internal receive-side 100 enabled
Internal receive-side 75
enabled
MCLK SELECTION
Table 4-10
MCLK
JAMUX
(CCR1.3)
0
1
0
ETS
(CCR1.7)
0
1
1
2.048MHz
2.048MHz
1.544MHz
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DS21348TN+ 功能描述:網(wǎng)絡(luò)控制器與處理器 IC 3.3V E1/T1/J1 Line Interface 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
DS21348TNB 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
DS21348T-W 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
DS21349 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:3.3V T1/J1 Line Interface Unit
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