Host Controller Data Manual

5–1
5 GPIO Interface
The general-purpose input/output (GPIO) interface consists of two GPIO ports. GPIO2 and GPIO3 power up as
general-purpose inputs and are programmable via the GPIO control register. Figure 5–1 shows the logic diagram for
GPIO2 and GPIO3 implementation.
DQ
GPIO Read Data
GPIO Write Data
GPIO_Invert
GPIO Enable
GPIO Port
Figure 5–1. GPIO2 and GPIO3 Logic Diagram