4.14 FSI Interface
The LaunchPad supports one FSI Interface from the SoC that terminatets to a 2x5 header (J16). The 2x5 header
has a 3.3 V supply. A 1:2 active mux IC (TMUX154EDGSR) is used to interface the signals between the FSI
header and the BoosterPack header as both the FSI and EHRPWM signals are internally muxed inside the SoC.
Figure 4-23. FSI Interface
Table 4-14. FSI Header Pin Description
Pin Number
Signal
J16.1
FSI_RX0_CLK
J16.2
FSI_TX0_CLK
J16.3
GND
J16.4
GND
J16.5
FSI_RX0_D0
J16.6
FSI_TX0_D0
J16.7
FSI_RX0_D1
J16.8
FSI_TX0_D1
J16.9
No connection
J16.10
VSYS_3V3
Hardware Description
74
AM243x LaunchPad™ Development Kit User's Guide
SPRUJ12B – AUGUST 2021 – REVISED OCTOBER 2022
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