EP7309 Datasheet, PDF (20/46 Pages) Cirrus Logic – HIGH PERFORMANCE LOW POWER SYSTEM ON CHIP ENHANCED DIGITAL AUDIO INTERFACE

EP7309
High-Performance, Low-Power System on Chip
JTAG
Parameter
TCK clock period
TCK clock high time
TCK clock low time
JTAG port setup time
JTAG port 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
-
-
-
-
-
25
25
25
Units
ns
ns
ns
ns
ns
ns
ns
ns
TCK
TMS
TDI
TDO
t_{clk_per}
t_{clk_high}
t_{clk_low}
t_JPh
t_JPs
t_JPzx
t_JPco
Figure 9. JTAG Timing Measurement
t_JPxz
20
Copyright 2001 Cirrus Logic (All Rights Reserved)
DS507PP1