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参数资料
| 型号： | IDT82V2084PFG8 |
| 厂商： | IDT, Integrated Device Technology Inc |
| 文件页数： | 51/75页 |
| 文件大小： | 0K |
| 描述： | IC LINE INTERFC UNIT 4CH 128TQFP |
| 标准包装： | 1 |
| 类型： | 线路接口装置（LIU） |
| 规程： | E1 |
| 电源电压： | 3.13 V ~ 3.47 V |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 128-LQFP |
| 供应商设备封装： | 128-TQFP（14x20） |
| 包装： | 标准包装 |
| 其它名称： | 800-1864-6 |
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55
INDUSTRIAL
TEMPERATURE RANGES
QUAD CHANNEL T1/E1/J1 LONG HAUL/SHORT HAUL LINE INTERFACE UNIT
5.1
JTAG INSTRUCTIONS AND INSTRUCTION REG-
ISTER
The IR (Instruction Register) with instruction decode block is used to
select the test to be executed or the data register to be accessed or both.
The instructions are shifted in LSB first to this 3-bit register. See Table-
56 for details of the codes and the instructions related.
5.2
JTAG DATA REGISTER
5.2.1
DEVICE IDENTIFICATION REGISTER (IDR)
The IDR can be set to define the producer number, part number and
the device revision, which can be used to verify the proper version or re-
vision number that has been used in the system under test. The IDR is
32 bits long and is partitioned as in Table-57. Data from the IDR is shifted
out to TDO LSB first.
5.2.2
BYPASS REGISTER (BR)
The BR consists of a single bit. It can provide a serial path between the
TDI input and TDO output, bypassing the BSR to reduce test access times.
5.2.3
BOUNDARY SCAN REGISTER (BSR)
The BSR can apply and read test patterns in parallel to or from all the
digital I/O pins. The BSR is a 98 bits long shift register and is initialized and
read using the instruction EXTEST or SAMPLE/PRELOAD. Each pin is
related to one or more bits in the BSR. For details, please refer to the BSDL
file.
Table-56 Instruction Register Description
IR CODE
INSTRUCTION
COMMENTS
000
Extest
The external test instruction allows testing of the interconnection to other devices. When the current instruction is the
EXTEST instruction, the boundary scan register is placed between TDI and TDO. The signal on the input pins can be sam-
pled by loading the boundary scan register using the Capture-DR state. The sampled values can then be viewed by shifting
the boundary scan register using the Shift-DR state. The signal on the output pins can be controlled by loading patterns
shifted in through input TDI into the boundary scan register using the Update-DR state.
100
Sample / Preload The sample instruction samples all the device inputs and outputs. For this instruction, the boundary scan register is placed
between TDI and TDO. The normal path between IDT82V2084 logic and the I/O pins is maintained. Primary device inputs
and outputs can be sampled by loading the boundary scan register using the Capture-DR state. The sampled values can
then be viewed by shifting the boundary scan register using the Shift-DR state.
110
Idcode
The identification instruction is used to connect the identification register between TDI and TDO. The device's identification
code can then be shifted out using the Shift-DR state.
111
Bypass
The bypass instruction shifts data from input TDI to output TDO with one TCK clock period delay. The instruction is used to
bypass the device.
Table-57 Device Identification Register Description
Bit No.
Comments
0
Set to ‘1’
1-11
Producer Number
12-27
Part Number
28-31
Device Revision
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相关代理商/技术参数 |
参数描述 |
|---|---|
| IDT82V2088 | 制造商:IDT 制造商全称:Integrated Device Technology 功能描述:OCTAL CHANNEL T1/E1/J1 LONG HAUL/ SHORT HAUL LINE INTERFACE UNIT |
| IDT82V2088_08 | 制造商:IDT 制造商全称:Integrated Device Technology 功能描述:OCTAL CHANNEL T1/E1/J1 LONG HAUL/ SHORT HAUL LINE INTERFACE UNIT |
| IDT82V2088BB | 功能描述:IC LIU T1/J1/E1 8CH 208-BGA RoHS:否 类别:集成电路 (IC) >> 接口 - 驱动器，接收器，收发器 系列:- 标准包装:250 系列:- 类型:收发器 驱动器/接收器数:2/2 规程:RS232 电源电压:3 V ~ 5.5 V 安装类型:表面贴装 封装/外壳:16-TSSOP（0.173"，4.40mm 宽） 供应商设备封装:16-TSSOP 包装:带卷 (TR) |
| IDT82V2088BBG | 功能描述:IC LINE INTERFACE UNIT 208-PBGA RoHS:是 类别:集成电路 (IC) >> 接口 - 驱动器，接收器，收发器 系列:- 标准包装:250 系列:- 类型:收发器 驱动器/接收器数:2/2 规程:RS232 电源电压:3 V ~ 5.5 V 安装类型:表面贴装 封装/外壳:16-TSSOP（0.173"，4.40mm 宽） 供应商设备封装:16-TSSOP 包装:带卷 (TR) |
| IDT82V2088DR | 功能描述:IC LIU T1/J1/E1 8CH 208-TQFP RoHS:否 类别:集成电路 (IC) >> 接口 - 驱动器，接收器，收发器 系列:- 标准包装:250 系列:- 类型:收发器 驱动器/接收器数:2/2 规程:RS232 电源电压:3 V ~ 5.5 V 安装类型:表面贴装 封装/外壳:16-TSSOP（0.173"，4.40mm 宽） 供应商设备封装:16-TSSOP 包装:带卷 (TR) |
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