Analog Input-Output Connector (Cn4); Extension Connectors (Cn5, Cn6, Cn13, And Cn14); Table 29. Analog Input-Output Connector (Cn4); Table 30. Daughterboard Extension Connector (Cn5) - ST STM32L4R9I User Manual

Connectors
7.4

Analog input-output connector (CN4)

Pin number
1
7.5

Extension connectors (CN5, CN6, CN13, and CN14)

All GPIO signals from STM32L4R9AII6 are connected to extension connectors (CN5, CN6,
CN13, and CN14). CN13 and CN14 extension connectors are also used for the FMC
device.
Pin
number
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
33
52/77

Figure 14. Analog input-output connector (CN4) top view

Table 29. Analog input-output connector (CN4)

Description
GND

Table 30. Daughterboard extension connector (CN5)

Description Alternative functions
PH9 OCTOSPI2_IO4
PH14 LED3, MC
PH15 LED4, MC
PI3 SPI2_MOSI
GND -
PH13 LED2, MC
PMOD_INT,
PG13
USART1_CK, MC
SAI1_SDB,
PB5
Comp2_OUT
PI9 OCTOSPI2_IO2
PI11 OCTOSPI2_IO0
NC -
PC14 OSC32_IN
PC13 Wakeup
PH1 OSC_OUT
GND -
PA5 TFT LCD_BL_CTRL
DSI LCD_INT,
PC2
TFT LCD_INT, MC
1 2
Pin number
How to disconnect alternative functions to
use on the extension connector
U5 removed
R185 and SB44 OFF
R184 and SB45 OFF
No connection for CN16 and P1
-
R186 and SB46 OFF
SB29 and SB47 OFF and no connection for P1
R204 and SB48 OFF
U5 removed
U5 removed
-
R50 OFF, SB50 ON
R188 OFF
R65 OFF, SB53 ON
-
No connection for CN20
R217 and SB43 OFF
UM2248 Rev 5
Description
2 Analog input-output PA4
UM2248
MSv46052V1