UM001
13
2.2.1
VN-100 Rugged Power Supply
The power supply input for the VN-100 Rugged is 4.5 to 5.5 V DC.
2.2.2
VN-100 Rugged Serial UART Interface
Serial I/O Specifications
Specification
Min
Typical
Max
Input low level voltage
-25 V
Input high level voltage
25 V
Output low voltage
-5.0 V
-5.4 V
Output high voltage
5.0 V
5.5 V
Output resistance
300 Ω
10 MΩ
Data rate
1 Mbps
Pulse slew
300 ns
2.2.3
VN-100 Rugged Reset, SyncIn/Out, and Other General I/O Pins
NRST Specifications
Specification
Min
Typical
Max
Input low level voltage
-0.5 V
0.8 V
Input high level voltage
2 V
5.5 V
Weak pull-up equivalent resistor
30 kΩ
40 kΩ
50 kΩ
NRST pulse width
20 μs
SyncIn Specifications
Specification
Min
Typical
Max
Input low level voltage
-0.5V
0.8V
Input high level voltage
2V
5.5V
Pulse Width
100 ns
SyncOut Specifications
Specification
Min
Typical
Max
Output low voltage
0 V
0.4 V
Output high voltage
2.4 V
3.0 V
Output high to low fall time
125 ns
Output low to high rise time
125 ns
Output Frequency
1 Hz
1 kHz
