Flexdio Header (Vmx Channels 8-11); High-Current Dio Header (Vmx Channels 12-21) - Kauai Labs VMX-pi Reference Manual

VMX-pi Hardware Reference Manual (version 1.10) 19
Figure 7 FlexDIO GH Connector (VMX Channels 0-7) pinout

FlexDIO Header (VMX Channels 8-11)

The FlexDIO Header provides 4 sets of power, ground, and a single signal channel. The signals may be
configured to support Quadrature Encoders, Digital Inputs, Interrupts, Digital Outputs, PWM Generation
or PWM Capture.
Figure 8 FlexDIO Header (VMX Channels 8-11) pinout

High-Current DIO Header (VMX Channels 12-21)

The High-Current DIO Header provides 10 sets of power, ground, and a single signal channel. The signals
may be configured to support Digital Inputs, Interrupts, Digital Outputs, or PWM Generation.