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參數資料
| 型號： | DS21348T+ |
| 廠商： | Maxim Integrated Products |
| 文件頁數： | 29/76頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC LIU T1/E1/J1 3.3V 44-TQFP |
| 產品培訓模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標準包裝： | 160 |
| 類型： | 線路接口裝置（LIU） |
| 驅動器/接收器數： | 1/1 |
| 規(guī)程： | T1/E1/J1 |
| 電源電壓： | 3.135 V ~ 3.465 V |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 44-TQFP |
| 供應商設備封裝： | 44-TQFP（10x10） |
| 包裝： | 托盤 |
| 產品目錄頁面： | 1429 (CN2011-ZH PDF) |
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DS21348/DS21Q348
35 of 76
CCR6 (05H): COMMON CONTROL REGISTER 6
(MSB)
(LSB)
LLB
RLB
ARLBE
ALB
RJAB
ECRS2
ECRS1
ECRS0
SYMBOL
POSITION DESCRIPTION
LLB
CCR6.7
Local Loopback. In Local Loopback (LLB), transmit data will be looped back
to the receive path passing through the jitter attenuator if it is enabled. Data in
the transmit path will act as normal. See Figure 1-1 and Section 6.2.2 for
details.
0 = loopback disabled
1 = loopback enabled
RLB
CCR6.6
Remote Loopback. In Remote Loopback (RLB), data output from the
clock/data recovery circuitry will be looped back to the transmit path passing
through the jitter attenuator if it is enabled. Data in the receive path will act as
normal while data presented at TPOS and TNEG will be ignored.
See Figure 1-1 and Section 6.2.1 for details.
0 = loopback disabled
1 = loopback enabled
ARLBE
CCR6.5
Automatic Remote Loopback Enable and Reset. When this bit is set high,
the device will automatically go into remote loopback when it detects loop up
code programmed into the Receive Loop-Up Code Definition Registers
(RUPCD1 and RUPCD2) for a minimum of 5 seconds and it will also set the
RIR2.1 status bit. Once in a RLB state, it will remain in this state until it has
detected the loop code programmed into the Receive Loop-Down Code
Definition Registers (RDNCD1 and RDNCD2) for a minimum of 5 seconds at
which point it will force the device out of RLB and clear RIR2.1. The
automatic RLB circuitry can be reset by toggling this bit from a 1 to a 0. The
action of the automatic remote loopback circuitry is logically ORed with the
RLB (CCR6.6) control bit (i.e., either one can cause a RLB to occur).
ALB
CCR6.4
Analog Loopback. In Analog Loopback (ALB), signals at TTIP and TRING
will be internally connected to RTIP and RRING. The incoming signals, from
the line, at RTIP and RRING will be ignored. The signals at TTIP and TRING
will be transmitted as normal. See Figure 1-1 and Section 6.2.3 for more details.
0 = loopback disabled
1 = loopback enabled
RJAB
CCR6.3
RCLK Jitter Attenuator Bypass. This control bit allows the receive recovered
clock and data to bypass the jitter attenuation while still allowing the BPCLK
output to use the jitter attenuator. See Figure 1-1 and Section 7.3 for details.
0 = disabled
1 = enabled
ECRS2
CCR6.2
Error Count Register Select 2. See Section 6.4 for details.
ECRS1
CCR6.1
Error Count Register Select 1. See Section 6.4 for details.
ECRS0
CCR6.0
Error Count Register Select 0. See Section 6.4 for details.
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相關代理商/技術參數 |
參數描述 |
|---|---|
| DS21348T+ | 功能描述:網絡控制器與處理器 IC 3.3V E1/T1/J1 Line Interface RoHS:否 制造商:Micrel 產品:Controller Area Network (CAN) 收發(fā)器數量: 數據速率: 電源電流（最大值）:595 mA 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:PBGA-400 封裝:Tray |
| DS21348TB | 功能描述:網絡控制器與處理器 IC RoHS:否 制造商:Micrel 產品:Controller Area Network (CAN) 收發(fā)器數量: 數據速率: 電源電流（最大值）:595 mA 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:PBGA-400 封裝:Tray |
| DS21348TN | 功能描述:網絡控制器與處理器 IC 3.3V E1/T1/J1 Line Interface RoHS:否 制造商:Micrel 產品:Controller Area Network (CAN) 收發(fā)器數量: 數據速率: 電源電流（最大值）:595 mA 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:PBGA-400 封裝:Tray |
| DS21348TN+ | 功能描述:網絡控制器與處理器 IC 3.3V E1/T1/J1 Line Interface RoHS:否 制造商:Micrel 產品:Controller Area Network (CAN) 收發(fā)器數量: 數據速率: 電源電流（最大值）:595 mA 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:PBGA-400 封裝:Tray |
| DS21348TNB | 功能描述:網絡控制器與處理器 IC RoHS:否 制造商:Micrel 產品:Controller Area Network (CAN) 收發(fā)器數量: 數據速率: 電源電流（最大值）:595 mA 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:PBGA-400 封裝:Tray |
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