SPRUIX0D February 2021 – August 2021
One FSI Interface (1Tx and 1Rx) from SoC is terminated on 2x5 header with part number 67997-410HLF from Amphenol ICC (FCI) having connections which can be interfaced to C2000 EVM. FSI_TX0 signals and FSI_RX0 signals are connected to the mux so that they are available to both the FSI connector and the expansion connector. The TS3A27518E mux-demux is used for this purpose and it is controlled by GPIO from IO Expander. A logic low in Mux select pin connects port A and Port B1 whereas a logic high connects A port to B2 port. The default state of mux drives the signals from A port to B1 port, which is connected to HSE connector.
| Pin No. | Signal |
|---|---|
| 1 | FSI_TX0_CLK |
| 2 | FSI_RX0_CLK |
| 3 | DGND |
| 4 | DGND |
| 5 | FSI_TX0_D0 |
| 6 | FSI_RX0_D0 |
| 7 | FSI_TX0_D1 |
| 8 | FSI_RX0_D1 |
| 9 | DGND |
| 10 | VCC_3V3_SYS |
Figure 3-31 AM64x/AM243x FSI Interface