3.1.2. Receive-Side Pins Signal Name: RLINK Signal Description: Receive Li" />
參數資料
型號： DS21554L+
廠商： Maxim Integrated Products
文件頁數： 34/124頁
文件大小： 0K
描述： IC TXRX E1 1-CHIP 5V 100-LQFP
產品培訓模塊： Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標準包裝： 90
功能： 單芯片收發(fā)器
接口： E1，HDLC，J1，T1
電路數： 1
電源電壓： 4.75 V ~ 5.25 V
電流 - 電源： 75mA
工作溫度： 0°C ~ 70°C
安裝類型： 表面貼裝
封裝/外殼： 100-LQFP
供應商設備封裝： 100-LQFP（14x14）
包裝： 托盤
包括： 遠程和 AIS 警報檢測器 / 發(fā)生器
產品目錄頁面： 1430 (CN2011-ZH PDF)
DS21354/DS21554 3.3V/5V E1 Single-Chip Transceivers
17 of 124
3.1.2.
Receive-Side Pins
Signal Name:
RLINK
Signal Description:
Receive Link Data
Signal Type:
Output
Updated with the fully recovered E1 data stream on the rising edge of RCLK.
Signal Name:
RLCLK
Signal Description:
Receive Link Clock
Signal Type:
Output
4kHz to 20kHz clock (Sa bits) for the RLINK output. See Section 13 for details.
Signal Name:
RCLK
Signal Description:
Receive Clock
Signal Type:
Output
2.048MHz clock that is used to clock data through the receive-side framer.
Signal Name:
RCHCLK
Signal Description:
Receive Channel Clock
Signal Type:
Output
A 256kHz clock that pulses high during the LSB of each channel. Synchronous with RCLK when the
receive-side elastic store is disabled. Synchronous with RSYSCLK when the receive-side elastic store is
enabled. Useful for parallel to serial conversion of channel data.
Signal Name:
RCHBLK
Signal Description:
Receive Channel Block
Signal Type:
Output
A user-programmable output that can be forced high or low during any of the 32 E1 channels.
Synchronous with RCLK when the receive-side elastic store is disabled. Synchronous with RSYSCLK
when the receive-side elastic store is enabled. Useful for blocking clocks to a serial UART or LAPD
controller in applications where not all E1 channels are used such as Fractional E1, 384kbps service,
768kbps, or ISDN–PRI. Also useful for locating individual channels in drop-and-insert applications, for
external per-channel loopback, and for per-channel conditioning. See Section 10 for details.
Signal Name:
RSER
Signal Description:
Receive Serial Data
Signal Type:
Output
Received NRZ serial data. Updated on rising edges of RCLK when the receive-side elastic store is
disabled. Updated on the rising edges of RSYSCLK when the receive-side elastic store is enabled.
Signal Name:
RSYNC
Signal Description:
Receive Sync
Signal Type:
Input/Output
An extracted pulse, one RCLK wide, is output at this pin that identifies either frame or CAS/CRC
multiframe boundaries. If the receive-side elastic store is enabled, then this pin can be enabled to be an
input at which a frame or multiframe boundary pulse synchronous with RSYSCLK is applied.
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DS21352L+ IC TXRX T1 1-CHIP 3.3V 100-LQFP
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相關代理商/技術參數
參數描述
DS21554L+ 功能描述:網絡控制器與處理器 IC 3.3/5V E1 Transceiver 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
DS21554LB 功能描述:網絡控制器與處理器 IC 3.3/5V E1 Transceiver 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
DS21554LB+ 功能描述:網絡控制器與處理器 IC 3.3/5V E1 Transceiver 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
DS21554LBN 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
DS21554LBN+ 功能描述:網絡控制器與處理器 IC 3.3/5V E1 Transceiver 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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