STPCI2 STMicroelectronics, STPCI2 Datasheet - Page 67

• Manufacturer Part Number: STPCI2
• Description: STPC ATLAS DATASHEET - X86 CORE PC COMPATIBLE SYS
• Manufacturer: STMicroelectronics

4.5.16 JTAG INTERFACE
Figure 4-15
characteristics of the JTAG interface.
TRST
TCK
TMS,TDI
TDO
STPC.input
STPC.output
Treset
Tcycle
Name
Tpout
Tpset
Tphld
Tjout
Tjset
Tjhld
Tjset
Tjhld
Parameter
TRST pulse width
TCLK period
TCLK rising time
TCLK falling time
TMS setup time
TMS hold time
TDI setup time
TDI hold time
TCLK to TDO valid
STPC pin setup time
STPC pin hold time
TCLK to STPC pin valid
and
Table 4-21
T
reset
Figure 4-15. JTAG timing diagram
list the AC
Table 4-25. JTAG AC Timings
Issue 1.0 - July 24, 2002
T
jset
T
jhld
T
jout
ELECTRICAL SPECIFICATIONS
T
pset
T
cycle
Min
400
200
200
200
200
30
30
T
1
phld
T
pout
Max
20
20
30
30
Tcycle
Unit
67/111
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns