參數(shù)資料
型號(hào): ADSP-2196MBST-140X
廠商: ANALOG DEVICES INC
元件分類: 數(shù)字信號(hào)處理
英文描述: DSP Microcomputer
中文描述: 16-BIT, 160 MHz, OTHER DSP, PQFP144
封裝: METRIC, PLASTIC, LQFP-144
文件頁數(shù): 51/68頁
文件大?。?/td> 897K
代理商: ADSP-2196MBST-140X
This information applies to a product under development. Its characteristics and specifications are subject to change with-
out notice. Analog Devices assumes no obligation regarding future manufacturing unless otherwise agreed to in writing.
51
REV. PrA
For current information contact Analog Devices at 800/262-5643
ADSP-2196
September 2001
JTAG Test And Emulation Port Timing
Table 22
and
Figure 26
describe JTAG port operations.
Table 22. JTAG Port Timing
Parameter
Description
Min
Max
Unit
Switching Characteristics
t
DTDO
TDO Delay from TCK Low
4
ns
t
DSYS
System Outputs Delay After TCK Low
1
0
5
ns
Timing Parameters
t
TCK
TCK Period
20
ns
t
STAP
TDI, TMS Setup Before TCK High
4
ns
t
HTAP
TDI, TMS Hold After TCK High
4
ns
t
SSYS
System Inputs Setup Before TCK Low
2
4
ns
t
HSYS
System Inputs Hold After TCK Low
2
5
ns
t
TRSTW
TRST Pulsewidth
3
4
ns
1
System Outputs = DATA15–0, ADDR21–0, MS3–0, RD, WR, ACK, CLKOUT, BG, PF7–0, TIMEXP, DT0, DT1, TCLK0, TCLK1, RCLK0, RCLK1,
TFS0, TFS1, RFS0, RFS1, BMS.
2
System Inputs = DATA15–0, ADDR21–0, RD, WR, ACK, BR, BG, PF7–0, DR0, DR1, TCLK0, TCLK1, RCLK0, RCLK1, TFS0, TFS1, RFS0, RFS1,
CLKIN, RESET.
3
50 MHz max.
Figure 26. JTAG Port Timing
&
3
&
3
3
3
3
3
3
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