參數(shù)資料
型號： DS21354LC1+
廠商： Maxim Integrated Products
文件頁數(shù)： 120/124頁
文件大小： 0K
描述： IC TXRX E1 3.3V 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
電路數(shù)： 1
電源電壓： 3.14 V ~ 3.47 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
95 of 124
16.1.
Instruction Register
The instruction register contains a shift register as well as a latched parallel output and is 3 bits in length.
When the TAP controller enters the Shift-IR state, the instruction shift register will be connected between
JTDI and JTDO. While in the Shift-IR state, a rising edge on JTCLK with JTMS LOW will shift the data
one stage towards the serial output at JTDO. A rising edge on JTCLK in the Exit1-IR state or the Exit2-
IR state with JTMS HIGH will move the controller to the Update-IR state. The falling edge of that same
JTCLK will latch the data in the instruction shift register to the instruction parallel output. Instructions
supported by the DS21354/DS21554 with their respective operational binary codes are shown in
Table 16-1. Instruction Codes for IEEE 1149.1 Architecture
INSTRUCTION
SELECTED REGISTER
INSTRUCTION CODES
SAMPLE/PRELOAD
Boundary Scan
010
BYPASS
Bypass
111
EXTEST
Boundary Scan
000
CLAMP
Bypass
011
HIGHZ
Bypass
100
IDCODE
Device Identification
001
SAMPLE/PRELOAD
This is a mandatory instruction for the IEEE 1149.1 specification. This instruction supports two
functions. The digital I/Os of the device can be sampled at the boundary scan register without interfering
with the normal operation of the device by using the Capture-DR state. SAMPLE/PRELOAD also allows
the device to shift data into the boundary scan register via JTDI using the Shift-DR state.
BYPASS
When the BYPASS instruction is latched into the parallel instruction register, JTDI connects to JTDO
through the one-bit bypass test register. This allows data to pass from JTDI to JTDO not affecting the
device’s normal operation.
EXTEST
This allows testing of all interconnections to the device. When the EXTEST instruction is latched in the
instruction register, the following actions occur. Once enabled via the Update-IR state, the parallel
outputs of all digital output pins will be driven. The boundary scan register will be connected between
JTDI and JTDO. The Capture-DR will sample all digital inputs into the boundary scan register.
CLAMP
All digital outputs of the device will output data from the boundary scan parallel output while connecting
the bypass register between JTDI and JTDO. The outputs will not change during the CLAMP instruction.
HIGHZ
All digital outputs of the device will be placed in a high impedance state. The BYPASS register will be
connected between JTDI and JTDO.
IDCODE
When the IDCODE instruction is latched into the parallel instruction register, the identification test
register is selected. The device identification code will be loaded into the identification register on the
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相關代理商/技術參數(shù)
參數(shù)描述
DS21354LC1+ 功能描述:網絡控制器與處理器 IC 3.3/5V E1 Single Chip Transceiver RoHS:否 制造商:Micrel 產品: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 安裝風格:SMD/SMT 封裝 / 箱體:PBGA-400 封裝:Tray
DS21354LN 功能描述:網絡控制器與處理器 IC 3.3/5V E1 Single Chip Transceiver RoHS:否 制造商:Micrel 產品: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 安裝風格:SMD/SMT 封裝 / 箱體:PBGA-400 封裝:Tray
DS21354LN+ 功能描述:網絡控制器與處理器 IC 3.3/5V E1 Single Chip Transceiver RoHS:否 制造商:Micrel 產品: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 安裝風格:SMD/SMT 封裝 / 箱體:PBGA-400 封裝:Tray
DS21372 制造商:DALLAS 制造商全稱:Dallas Semiconductor 功能描述:3.3V Bit Error Rate Tester BERT
DS21372T 功能描述:網絡控制器與處理器 IC 3.3V Bit Error Rate Tester (BERT) RoHS:否 制造商:Micrel 產品: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 安裝風格:SMD/SMT 封裝 / 箱體:PBGA-400 封裝:Tray
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