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V
fault detection: UCPD_FLT: This signal is provided by the STM USB Type-C
BUS
used as fault reporting to MCU after a bad V
protection is set to 6 V max. (R45 is set to 2K7 to select 6 V maximum).
Table 13
describes the HW configuration for the UCPD feature.
IO
PA15
PB15
PC2
PB5
PB14
1. The default configuration is shown in bold
6.13.3
USB Type-C™ connector
Figure 15
shows the pinout of USB Type-C
A1
GND
GND
B12
Table 14
describes the pinout of USB Type-C
STM32 pin
-
-
-
-
A15
UM2581 - Rev 2
Table 13.
HW configuration for the UCPD feature
HW
Setting
OFF
SB10
ON
OFF
SB11
ON
ON
SB8
OFF
-
-
-
-
Figure 15.
A2
A3
A4
TX1+
TX1-
V
CC1
BUS
RX1+
RX1-
V
SBU2
BUS
B11
B10
B9
Table 14.
CN15 USB Type-C
Signal name
Pin name
GND
GND
-
TX1+
-
TX1-
VBUS_C/
VBUS
5V_USB_C
UCPD_CC1
CC1
level detection. By design, the STM32 Nucleo-144 V
BUS
(1)
Configuration
PA15 connected to the USB Type-C
UCPD_CC1
PA15 directly connected to USB Type-C
port protection is bypassed.
PB15 connected to the USB Type-C
UCPD_CC2
PB15 directly connected to the USB Type-C
™
C
port protection is bypassed.
PC2 used as VBUS_SENSE
PC2 NOT used for UCPD
Can be used on Zio connector
IO UCPD_DBn connected to USB Type-C
used as Dead battery feature
IO UCPD_FLT connected to USB Type-C
used as over-voltage fault reporting to MCU
™
connector CN15.
™
CN15 USB Type-C
connector pinout
A5
A6
A7
A8
D+
D-
SBU1
D-
D+
CC2
B8
B7
B6
B5
™
connector CN15.
™
connector pinout
Pin
Pin
Pin name
A1
B12
GND
A2
B11
RX1+
A3
B10
RX1-
A4
B9
VBUS
A5
B8
SBU2
UM2581
USB Type-C™ FS
™
port protection. It is
™
port protection and used as
™
connector. USB Type-C
™
port protection and used as
™
connector. USB Type-
™
port protection and
™
port protection and
A9
A10
A11
A12
V
RX2-
RX2+
GND
BUS
V
TX2-
TX2+
GND
BUS
B4
B3
B2
B1
Signal name
STM32 pin
GND
-
-
-
-
-
VBUS_C/
-
5V_USB_C
-
-
page 28/48
BUS
™
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