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MC68LC040RC25A Datasheet, PDF (413/442 Pages) Freescale Semiconductor, Inc – M68040 Users Manual
Freescale Semiconductor, Inc.
+5V
1K
TDI
TMS
TCLK
TDO
NO CONNECTION
Figure C-10. Circuit Disabling IEEE Standard 1149.1A
C.6.5 MC68040V and MC68EC040V JTAG Electrical Characteristics
The following paragraphs provide information on JTAG electrical and timing specifications
This section is subject to change. For the most recent specifications, contact a Motorola
sales office or complete the registration card at the beginning of this manual.
JTAG DC Electrical Specifications—PRELIMINARY
Characteristic
Input High Voltage
Input Low Voltage
Overshoot
TCK Input Leakage Current @ 0.5–2.4 V
TDO Hi-Z (Off-State) Leakage Current @ 0.5–2.4 V
Signal Low Input Current, VIL = 0.8 V
TMS, TDI
Signal High Input Current, VIH = 2.0 V
TMS, TDI
TDO Output High Voltage IOH = 5ma
TDO Output Low Voltage IOL = 5ma
Capacitance*, Vin = 0 V, f = 1 MHz
*Capacitance is periodically sampled rather than 100% tested.
Symbol
VIH
VIL
—
Iin
ITST
IL
IH
VOH
VOL
Cin
Min
Max Unit
2
5.5
V
GND
0.8
V
—
TBD
V
TBD
TBD
µA
TBD
TBD
µA
TBD
TBD
mA
TBD
TBD
mA
2.4
—
V
—
0.5
V
—
TBD
pF
MOTOROLA
M68040 USER’S MANUAL
For More Information On This Product,
Go to: www.freescale.com
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