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3.6. GPIO

The interface module provides two connectors for GPIO interfaces. Each connector provides 32 GPIO lines connected directly to the logic module FPGA. The connectors are shown in Figure 3.7.

Figure 3.7.  GPIO connectors J16 and J17

GPIO connectors J16 and J17

The example configuration includes two simple 32-bit GPIO controllers. GPIOA[31:0] connect to the EXPIM signals IM_ABANK[31:0] and GPIOB[31:0] connects to the EXPA signals B[31:0]. The B[31:0] signals can be monitored on the logic analyzer connector J7.