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Connectors
UM1817
32/58
DocID026902 Rev 3
3.7
microSD connector CN8
Figure 14. microSD connector CN8 (front view)
18
PB10
HDMI_CEC
Remove R12
20
PE14
SPI1_MISO
Remove R45
22
PF11
BOOT0
Remove R46, open JP4
24
VDD
-
-
26
PF1
OSC_OUT
Remove R56, Close SB14
28
PE9
SPI1_MOSI_DIR
Remove R81
30
GND
-
-
32
PE7
LED3
Remove R163
34
PB1
-
-
36
PC4
-
-
38
PA6
Audio_IN Remove
R107
40
PA5
Aduio_OUT_RIGHT
Keep JP14 open
42
PE13
SPI1_SCK
Remove R74
44
PA3
SmartCard_RST
Remove R136
46
PA1
LDR_IN
Remove R7
48
PF3
8xUSART7_RX
No Jumper mounted on CN1
50
GND
-
-
52
PC3
SmartCard_OFF
Remove R135
Table 23. Daughterboard extension connector CN7 (continued)
Pin
Description
Alternative Function
How to disconnect with function block
on STM32091C-EVAL board