EP80579 Datasheet, PDF (1907/1916 Pages) Intel Corporation – Intel® EP80579 Integrated Processor Product Line

Intel^® EP80579 Integrated Processor
49.5.23
JTAG
This section describes the electrical characteristics of the JTAG interface.
49.5.23.1 JTAG Signal List
For a pin description for the JTAG Signals, refer to Table 48-27, “JTAG Interface
Signals” on page 1769.
49.5.23.2 JTAG DC Characteristics
Table 49-107.JTAG DC Specifications (except BPM4_PRDY_OUT)
Symbol
Parameter
Conditions
Min
Typical
Max
Units
V_IH
TMS, TDI, TRST#
Input-high voltage
0.8
1.4
V
V_IL
TMS, TDI, TRST#
Input-low voltage
-0.5
0.4
V
R_ON
TDO Ron impedance
5
16
Ω
Notes:
1.
1.2V I/O buffers
2.
These values are typical values seen by the manufacturing process and are not tested
3.
Guaranteed by design.
Table 49-108.JTAG DC Output Specifications (BPM4_PRDY_OUT)
Notes
2
2
3
Symbol
Parameter
V_OH
Output voltage high
V_OL
Output voltage low
Ι_OH
Output current at high
voltage
Ι_OL
Output current at low
voltage
Note: 3.3 V I/O buffers
Conditions
l_out=-6mA
l_out=6mA
V_OH=2.4
V_OL=0.8
Min
2.0
-12
12
Typical
-27
18
Max
0.4
-48
26
Units
V
V
mA
mA
49.5.23.3 JTAG AC Characteristics
Table 49-109.JTAG Timing Specifications (Sheet 1 of 2)
Symbol
Parameter
Conditions
Min
Max
Units Figures
TCK at 25 MHz
T_JTF
TCK Frequency
and period
0
40ns
25
MHz
-
T_TCH
TCK High Time
Measured at
0.6V
7.0
ns
-
T_TCL
TCK Low Time
Measured at
0.6V
7.0
ns
-
Notes:
1.
1.2V I/O buffers
2.
These values are typical values seen by the manufacturing process and are not tested
3.
For TMS, TDI and TRST#.
4.
TCK input threshold voltage.
5.
Guaranteed by design.
Notes
1, 5
1, 5
August 2009
Order Number: 320066-003US
Intel^® EP80579 Integrated Processor Product Line Datasheet
1907