Technical specifications GPIO specifications
XBee®/XBee-PRO SX RF Module User Guide
17
Specification Value
Operating temperature -40 °C to 85 °C
Digital I/O 13 I/O lines, 5 output lines
Analog-to-digital converter (ADC) 4 10-bit analog inputs
Pulse width modulator (PWM) 2 outputs
GPIO specifications
The following table provides the electrical specifications for the GPIO pads.
GPIO electrical specification Value
Voltage - supply 2.4 - 3.6 V
Low Schmitt switching threshold
0.3 * VCC
High Schmitt switching threshold
0.7 * VCC
Input current for logic 0 -0.1 μA
Input current for logic 1 0.1 μA
Input pull-up resistor value 40 kΩ
Input pull-down resistor value 40 kΩ
Output voltage for logic 0 0.05 * VCC
Output voltage for logic 1 0.95 * VCC
Output source/sink current 1 mA
Total output current (for GPIO pads) 20 mA
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