7.12.3
Limitations and hardware configuration
Limitations with secondary functions: FMC A19, A21-23, trace, and SAI.
I2C2 (PH4/PH5) is shared between EXT I
2
C module CN24, MB1486 Wi
‑
Fi
®
module U24, MFX I/O expander U25,
audio codec U48, MB1379 camera module CN2, and MB1370 LCD touch panel CN30.
Hardware modifications are listed in
below:
Table 43.
Hardware modifications for Wi-Fi
®
Signal name
Pin name
Setting
Wi
‑
Fi
WIFI_SPI4_SCK
PE2
R343
ON
FMC_A23
R342
OFF
TRACECLK
R101
OFF
WIFI_SPI4_NSS
PE3
R337
ON
SAI1_SD_B
JP34
OFF
FMC_A19
R97
OFF
TRACED0
R93
OFF
WIFI_SPI4_MISO
PE5
R69
ON
SAI1_SCK_A
JP28
OFF
FMC_A21
R324
OFF
TRACED2
R71
OFF
WIFI_SPI4_MOSI
PE6
R334
ON
SAI1_SD_A
JP27
OFF
FMC_A22
R78
OFF
TRACED3
R80
OFF
1. The default setting is in bold.
2. Remove to avoid stub if necessary.
UM2662
Wi-Fi® module MB1486
UM2662
-
Rev 1
page 46/95