参数资料
型号: ADSP-21371KSWZ-2B
厂商: Analog Devices Inc
文件页数: 38/48页
文件大小: 0K
描述: IC DSP 32BIT 266MHZ 208-LQFP
产品培训模块: SHARC Processor Overview
标准包装: 1
系列: SHARC®
类型: 浮点
接口: DAI,DPI
时钟速率: 266MHz
非易失内存: ROM(512 kB)
芯片上RAM: 128kB
电压 - 输入/输出: 3.30V
电压 - 核心: 1.20V
工作温度: 0°C ~ 70°C
安装类型: 表面贴装
封装/外壳: 208-LQFP 裸露焊盘
供应商设备封装: 208-LQFP-EP(28x28)
包装: 托盘
ADSP-21371
JTAG Test Access Port and Emulation
Table 41. JTAG Test Access Port and Emulation
Parameter
Timing Requirements
tTCK
TCK Period
tSTAP
TDI, TMS Setup Before TCK High
tHTAP
TDI, TMS Hold After TCK High
tSSYS
1
System Inputs Setup Before TCK High
tHSYS
1
System Inputs Hold After TCK High
tTRSTW
TRST Pulse Width
Switching Characteristics
tDTDO
TDO Delay from TCK Low
tDSYS
2
System Outputs Delay After TCK Low
Min
tCK
5
6
7
18
4
tCK
Max
7
tCK / 2 + 7
Unit
ns
1 System Inputs = AD15–0, CLKCFG1–0, RESET, BOOTCFG1–0, DAI_Px, and FLAG3–0.
2 System Outputs = DAI_Px, AD15–0, RD, WR, FLAG3–0, CLKOUT, EMU, and ALE.
TCK
TMS
TDI
TDO
SYSTEM
INPUTS
SYSTEM
OUTPUTS
tSTAP
tTCK
tHTAP
tDTDO
tSSYS
tHSYS
tDSYS
Figure 33. IEEE 1149.1 JTAG Test Access Port
Rev. 0
|
Page 43 of 48
|
June 2007
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