參數(shù)資料
型號(hào)： DS21Q348N
廠商： Maxim Integrated Products
文件頁(yè)數(shù)： 35/76頁(yè)
文件大?。?/td> 0K
描述： IC LIU T1/E1/J1 QUAD 3.3V 144BGA
標(biāo)準(zhǔn)包裝： 90
類型： 線路接口裝置（LIU）
規(guī)程： E1
電源電壓： 3.135 V ~ 3.465 V
安裝類型： 表面貼裝
封裝/外殼： 144-BBGA
供應(yīng)商設(shè)備封裝： 144-PBGA（17x17）
包裝： 管件
DS21348/DS21Q348
40 of 76
RIR2 (09H): RECEIVE INFORMAION REGISTER 2
(MSB)
(LSB)
RL3
RL2
RL1
RL0
N/A
ARLB
SEC
SYMBOL
POSITION
DESCRIPTION
RL3
(real time)
RIR2.7
Receive Level Bit 3. See Table 5-2.
RL2
(real time)
RIR2.6
Receive Level Bit 2. See Table 5-2.
RL1
(real time)
RIR2.5
Receive Level Bit 1. See Table 5-2.
RL0
(real time)
RIR2.4
Receive Level Bit 0. See Table 5-2.
N/A
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 4 for more details. This bit will be forced low
when the automatic RLB circuitry is disabled (CCR6.5 = 0).
SEC
(latched)
RIR2.0
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.
Table 5-2. Receive Level Indication
RL3
RL2
RL1
RL0
RECEIVE LEVEL (dB)
0
< -2.5
0
1
-2.5 to -5.0
0
1
0
-5.0 to -7.5
0
1
-7.5 to -10.0
0
1
0
-10.0 to -12.5
0
1
0
1
-12.5 to -15.0
0
1
0
-15.0 to -17.5
0
1
-17.5 to -20.0
1
0
-20.0 to -22.5
1
0
1
-22.5 to -25.0
1
0
1
0
-25.0 to -27.5
1
0
1
-27.5 to -30.0
1
0
-30.0 to -32.5
1
0
1
-32.5 to -35.0
1
0
-35.0 to -37.5
1
> -37.5
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
DS21Q348NB 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
DS21Q348-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
DS21Q352 功能描述:網(wǎng)絡(luò)控制器與處理器 IC 3.3/5V Quad T1/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
DS21Q352B 功能描述:網(wǎng)絡(luò)控制器與處理器 IC 3.3/5V Quad T1/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
DS21Q352B+ 功能描述:網(wǎng)絡(luò)控制器與處理器 IC 3.3/5V Quad T1/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
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