ST STM32L4R9I User Manual page 57

UM2248
Pin
number
33
35
37
39
2
4
6
8
10
12
14
16
18
20
22
24
26
28
30
32
34
36
38
40
Table 33. Daughterboard extension connector (CN14) (continued)
Description Alternative functions
PE7 FMC_D4
PE14 FMC_D11
PE15 FMC_D12
VDD -
PA13 JTAG_TMS/SWDIO
PA15 JTAG_TDI
PI4 Audio_INT, MC
PG9 MFX_WAKUP, MC
GND -
PA8 SAI1_SCKA
PG3 FMC_A13
PG6 DSI LCD_SWIRE
PG2 FMC_A12
PD11 FMC_A16
PH4 I2C2_SCL
PB11 UART3_RX
PD9 FMC_D14
PD12 FMC_A17
GND -
PE13 FMC_D10
PE8 FMC_D5
PE11 FMC_D8
PE9 FMC_D6
+3V3 -
How to disconnect alternative functions to
use on the extension connector
-
-
-
-
Do not use CN11, CN12, CN15, and CN17 for
debug connector.
Do not use CN11, CN12, CN15, and CN17 for
debug connector.
R234 and SB3 OFF
R236 and SB34 OFF
-
U26 removed
-
No connection for CN16
-
-
R3 OFF
R171 OFF and no connection for CN11
-
-
-
-
-
-
-
-
UM2248 Rev 5
Connectors
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