ADSP-21362/ADSP-21363/ADSP-21364/ADSP-21365/ADSP-21366
JTAG Test Access Port and Emulation
Table 40. JTAG Test Access Port and Emulation
Parameter
Min
Timing Requirements
tTCK
TCK Period
tCK
tSTAP
TDI, TMS Setup Before TCK High
5
tHTAP
TDI, TMS Hold After TCK High
6
tSSYS1
System Inputs Setup Before TCK High
7
tHSYS1
System Inputs Hold After TCK High
18
tTRSTW
TRST Pulse Width
4tCK
Switching Characteristics
tDTDO
tDSYS2
TDO Delay from TCK Low
System Outputs Delay After TCK Low
1 System Inputs = AD15–0, SPIDS, CLKCFG1–0, RESET, BOOTCFG1–0, MISO, MOSI, SPICLK, DAI_Px, FLAG3–0.
2 System Outputs = MISO, MOSI, SPICLK, DAI_Px, AD15–0, RD, WR, FLAG3–0, CLKOUT, EMU, ALE.
Max
Unit
ns
ns
ns
ns
ns
ns
7
ns
tCK ÷ 2 + 7
ns
TCK
TMS
TDI
TDO
SYSTEM
INPUTS
SYSTEM
OUTPUTS
tTCK
tSTAP
tDTDO
tSSYS
tDSYS
tHTAP
tHSYS
Figure 36. IEEE 1149.1 JTAG Test Access Port
Rev. A | Page 45 of 52 | December 2006