ep9312 Cirrus Logic, Inc., ep9312 Datasheet - Page 52

• Manufacturer Part Number: ep9312
• Description: Universal Platform System-on-chip Processor
• Manufacturer: Cirrus Logic, Inc.

EP9312
Universal Platform SOC Processor
JTAG
52
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
TDO
TMS
TCK
TDI
t
clk_high
t
JPzx
t
clk_per
t
clk_low
Parameter
©
Copyright 2005 Cirrus Logic (All Rights Reserved)
t
Figure 37. JTAG Timing Measurement
JPco
t
JPs
Symbol
t
t
t
t
clk_high
clk_low
JPh
clk_per
t
t
t
t
t
JPco
JPzx
JPxz
JPs
JPh
t
JPxz
Min
100
50
50
20
45
-
-
-
Max
30
30
30
-
-
-
-
-
DS515PP7
Units
ns
ns
ns
ns
ns
ns
ns
ns