Connectors
Pin
number
1
2
3
4
5
7.8
CN9 MFX programming connector
The CN9 connector is used only for embedded MFX (multi-function expander) programming
during board manufacture. It is not populated by default and not for the end-user.
7.9
CN11 STDC14 connector
Terminal
1
3
5
7
9
11
13
1. Due to discrepancies between the port terminal and sheet symbol, VCP_RX and VCP_TX are not
connected to MCU
58/72
Table 34. CN8 microSD™ connector
Description
SDIO_D2 (PC10)
SDIO_D3 (PC11)
SDIO_CMD (PD2)
VDD
SDIO_CLK (PC12)
Figure 17. CN11 STDC14 debugging connector (top view)
Table 35. CN11 STDC14 debugging connector
Function / MCU port
-
VDD
GND
GND
KEY
GND
(1)
VCP_RX (PB11)
UM2248 Rev 4
Pin
number
6
7
SDIO_D0 (PC8)
8
SDIO_D1 (PC9)
9
10
MicroSDcard_detect (MFX GPIO15)
Terminal
Function / MCU port
2
4
SWDIO/TMS (PA13)
6
SWDCLK/TCK (PA14)
8
SWO/TDO (PB3)
10
12
14
VCP_TX (PB10)
UM2248
Description
Vss/GND
GND
-
TDI (PA15)
RESET#
(1)
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