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UM1974
Hardware layout and configuration
81
6.15
ST morpho connector
The ST morpho connector consists in male pin header footprints CN11 and CN12 (not
soldered by default). They are used to connect the STM32 Nucleo-144 board to an
extension board or a prototype/wrapping board placed on top of the STM32 Nucleo-144
board. All signals and power pins of the STM32 are available on the ST morpho connector.
This connector can also be probed by an oscilloscope, logical analyzer or voltmeter.
Table 21
and
Table 22
show the pin assignments of each STM32 on the ST morpho
connector.
CN10
22
GND
GND
-
Ground
-
24
D40
TIMER_A_PWM2N
PE10
TIM1_CH2N
26
D39
TIMER_A_PWM3N
PE12
TIM1_CH3N
28
D38
I/O
PE14
I/O
30
D37
TIMER_A_BKIN1
PE15
TIM1_BKIN1
32
D36
TIMER_C_PWM2
PB10
TIM2_CH3
34
D35
TIMER_C_PWM3
PB11
TIM2_CH4
1. For more details refer to
Table 12: Solder bridges
.
2. PA7 is used as D11 and connected to CN7 pin14 by default, if JP6 is ON, it is also connected to both
Ethernet PHY as RMII_DV and CN9 pin15. In this case only one function of Ethernet or D11 could be used.
3. PE2 is connected to both CN9 pin14 (SAI_A_MCLK) and CN10 pin 25 (QSPI_BK1_IO2). Only one function
can be used at one time.
4. PB13 is used as I2S_A_CK and connected to CN7 pin 5 by default. If JP7 is ON, it is also connected to the
Ethernet PHY as RMII_TXD1. In this case only one function of the Ethernet or I2S_A must be used.
Table 20. NUCLEO-H743ZI pin assignments (continued)
Connector Pin
Pin
name
Signal name
STM32 pin
Function
Remark
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