Power Test Points; Usb Connector Cn4; Table 22. Test Points; Table 23. Usb Connector Cn4 Signals - ST STM32F107Series User Manual

UM0896
Table 21.
Pin
9
11
13
Signals xxxx_LV mean, that these signals operate up to VCC_LV voltage level. VCC_LV is
connected to 3.3 V.
6.5

Power test points

These three testing points allow to measure the power supply voltage.
Table 22.
Test point name
+3.3 V
+5.0 V
GND
6.6

USB connector CN4

There is USB mini connector on the board. The terminal pin description is shown in
Table 23.
Table 23.
Pin
www.BDTIC.com/ST
Connector CN7 for PLM, USART and SPI interface
Signal
RTS_LV
MDM_RESn_LV
GND
Test points
+3.3 V output from U3 linear voltage regulator for STM32, PHY, Wi-Fi,
MEMS and audio extension.
+5.0 V output from U2 switching power supply for USB-OTG, audio
extension and U3.
Ground
USB connector CN4 signals
1 USB_VBUS
2 ID OTG identification of the device connected
3 USB-DP data plus signal
4 USB-DM data minus signal
5 GND
Doc ID 17009 Rev 2
Pin
10
12 DFU_FORCE_LC
14
Signal description
Signal description
Connectors
Signal
CTS_LV
GND
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