User's Manual

AnyDATA.NET Inc. AnyTime AnyPlace Any Wireless Data Solution
TM
5.1.4 Serial Interface Electrical Specifications
Table 5-1.4 Serial Interface Electrical Specifications
PARAMETER DESCRIPTION MIN MAX
UNITS
VIH
High-level input voltage, CMOS/Schmitt 1.7 3.3 Volts
VIL
Low-level input voltage, CMOS/Schmitt –0.3 0.94 Volts
VOH
High-level output voltage, CMOS 2.25
2.85
Volts
VOL
Low-level output voltage, CMOS 0
0.45 Volts
5.1.5 Multi-Purpose Pin Specifications
5.1.5.1 Multi-Purpose Pin Configured
Table 5-1.5.1 Multi-Purpose Pin Configured
PARAMETER DESCRIPTION MIN MAX
UNITS
VIH
High-level input voltage 1.7 3.0 Volts
VIL
Low-level input voltage –0.3 0.94 Volts
VOH
High-level output voltage 2.25
2.85 Volts
VOL
Low-level output voltage 0
0.45 Volts
5.1.5.2 Multi-Purpose Pin Configured as a Bidirectional I/O
Table 5-1.5.2 Multi-Purpose Pin Configured as a Bidirectional I/O
PARAMETER MIN MAX
UNITS
Nominal pull-up resistance 1 30 K Ohm
Resistor tolerance –20 20 %
Propagation delay 20 NA ns
5.1.5.3 Multi-Purpose Pin Configured as an analog
Table 5-1.5.3 Multi-Purpose Pin Configured as an analog
PARAMETER MIN MAX
UNITS
Input current NA 100 nA
Input capacitance NA 5 pF
Output voltage error NA 0.7 %
Load capacitance 25 NA pF
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