EP9307 Datasheet, PDF (38/48 Pages) Cirrus Logic – ARM9 SOC WITH ETHERNET USB DISPLAY AND TOUCHSCREEN

EP9307
ARM9 SOC with Ethernet, USB, Display and Touchscreen
JTAG
Parameter
TCK clock period
TCK clock high time
TCK clock low time
TMS/TDI to clock rising setup time
Clock rising to TMS/TDI hold time
JTAG port clock to output
JTAG port high impedance to valid output
JTAG port valid output to high impedance
Symbol
t_{clk_per}
t_{clk_high}
t_{clk_low}
t_JPs
t_JPh
t_JPco
t_JPzx
t_JPxz
Min
100
50
50
20
45
-
-
-
Max
-
-
-
-
-
30
30
30
Units
ns
ns
ns
ns
ns
ns
ns
ns
TMS
TDI
TCK
t_{clk_per}
t_{clk_high}
t_{clk_low}
TDO
t_JPzx
t_JPs
t_JPco
t_JPh
t_JPxz
Figure 24. JTAG Timing Measurement
38
©Copyright 2004 Cirrus Logic (All Rights Reserved)
DS667PP3