參數(shù)資料
型號(hào): ADSP-2191MBCAZ-140
廠商: ANALOG DEVICES INC
元件分類: 數(shù)字信號(hào)處理
英文描述: 16-bit Fixed-Point DSP, 160 MIPS, 160K bytes RAM; Package: CHIP SCALE BGA; No of Pins: 144; Temperature Range: Ind
中文描述: 16-BIT, 100 MHz, OTHER DSP, PBGA144
封裝: MINI, BGA-144
文件頁(yè)數(shù): 33/48頁(yè)
文件大?。?/td> 1789K
代理商: ADSP-2191MBCAZ-140
–39–
REV. A
ADSP-2191M
JTAG Test And Emulation Port Timing
Table 22 and Figure 24 describe JTAG port operations.
Table 22. JTAG Port Timing
Parameter
Min
Max
Unit
Switching Characteristics
t
DTDO
TDO Delay from TCK Low
8
ns
t
DSYS
System Outputs Delay After TCK Low1
022
ns
Timing Requirements
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 Low2
4ns
t
HSYS
System Inputs Hold After TCK Low2
5ns
t
TRSTW
TRST Pulsewidth3
4t
TCK
ns
1System 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.
2System Inputs = DATA15–0, ADDR21–0, RD, WR, ACK, BR, BG, PF7–0, DR0, DR1, TCLK0, TCLK1, RCLK0, RCLK1, TFS0, TFS1, RFS0, RFS1,
CLKIN,
RESET.
350 MHz max.
Figure 24. JTAG Port Timing
TMS
TDI
TDO
SYSTEM
INPUTS
SYSTEM
OUTPUTS
TCK
tTCK
tHTAP
tSTAP
tDTDO
tSSYS
tHSYS
tDSYS
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