ep7312 Cirrus Logic, Inc., ep7312 Datasheet - Page 29

• Manufacturer Part Number: ep7312
• Description: High-performance, Low-power, System-on-chip With Sdram & Enhanced Digital Audio Interface
• Manufacturer: Cirrus Logic, Inc.

JTAG Interface
DS508F1
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
TMS
TDO
TCK
TDI
t
clk_high
t
JPzx
t
clk_per
t
Parameter
clk_low
©
Figure 14. JTAG Timing Measurement
t
JPco
Copyright Cirrus Logic, Inc. 2005
(All Rights Reserved)
t
JPs
t
JPh
High-Performance, Low-Power System on Chip
Symbol
t
t
t
clk_high
clk_per
clk_low
t
t
t
t
t
JPco
JPzx
JPxz
JPh
JPs
t
JPxz
Min
2
1
1
-
-
-
-
-
Max
10
12
19
0
3
-
-
-
Units
EP7312
ns
ns
ns
ns
ns
ns
ns
ns
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