
3.4.20 FSI Interface
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.
Table 3-30. FSI (J5) Connector Pin-out
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
System Description
SPRUJ63 – SEPTEMBER 2022
AM64x/AM243x EVM User's Guide
57
Copyright © 2022 Texas Instruments Incorporated