Serial clock

Channel 1 wiper

Voltage low (usually ground)

Channel 1 voltage high

Channel 5 voltage low

Channel 2 voltage high

Channel 2 wiper

Channel 2 voltage low

Channel 4 voltage high

Channel 4 wiper

Channel 4 voltage low

Channel 6 voltage high

Channel 6 wiper

Channel 5 wiper

Channel 6 voltage low

Channel 5 voltage high

Ground

Channel 3 voltage low

Chip Select (active low)

Channel 3 wiper

Voltage high

Channel 3 voltage high

Serial Data In