參數(shù)資料
型號： DS21348T
英文描述： 3.3V E1/T1/J1 Line Interface
中文描述： 3.3 E1/T1/J1線路接口
文件頁數(shù)： 38/73頁
文件大?。?/td> 551K
代理商： DS21348T
DS21348/Q348
38 of 73
RIR2 (09H): RECEIVE INFORMAION REGISTER 2
(MSB)
RL3
RL2
RL1
(LSB)
SEC
RL0
N/A
N/A
ARLB
SYMBOL
POSITION
DESCRIPTION
RL3
(real time)
RL2
(real time)
RL1
(real time)
RL0
(real time)
N/A
RIR2.7
Receive Level Bit 3.
See Table 7-2.
RIR2.6
Receive Level Bit 2.
See Table 7-2.
RIR2.5
Receive Level Bit 1.
See Table 7-2.
RIR2.4
Receive Level Bit 0.
See Table 7-2.
RIR2.3
Not Assigned.
Could be any value when read.
N/A
RIR2.2
Not Assigned.
Could be any value when read.
ARLB
(real time)
RIR2.1
Automatic Remote LoopBack Detected.
This bit will be set to
a one when the automatic Remote Loopback (RLB) circuitry
has detected the presence of a loop up code for 5 seconds. It
will remain set until the automatic RLB circuitry has detected
the loop down code for 5 seconds. See Section 6 for more
details. This bit will be forced low when the automatic RLB
circuitry is disabled (CCR6.5 = 0).
One-Second Timer.
This bit will be set to a one on one-second
boundaries as timed by the device based on the RCLK. It will
be cleared when read.
SEC
(latched)
RIR2.0
RECEIVE LEVEL INDICATION
Table 7-2
RL3
RL2
RL1
RL0
Receive Level
(dB)
Greater than -2.5
-2.5 to -5.0
-5.0 to -7.5
-7.5 to -10.0
-10.0 to -12.5
-12.5 to -15.0
-15.0 to -17.5
-20.0 to -22.5
-22.5 to -25.0
-25.0 to -27.5
-27.5 to -30.0
-30.0 to -32.5
-32.5 to -35.0
-35.0 to -37.5
-37.5 to -40.0
-40.0 to -42.5
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
DS21348T+ 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
DS21348TB 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
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
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
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