Connectors; Arduino ® Uno V3 Connectors; Table 6. Arduino ® Connectors (Cn2, Cn3, Cn6, And Cn7) - ST STM32H745I-DISCO User Manual

7

Connectors

7.1
ARDUINO
CN2, CN3, CN6 and CN7 are female connectors compatible with the ARDUINO
designed for ARDUINO
STM32H745I-DISCO/STM32H750B-DK
Caution:
The STM32 microcontroller I/Os are 3.3 V compatible instead of 5 V for ARDUINO
CN Pin
number number
1
2
3
CN3
4
power
5
6
7
8
1
2
3
4
CN7
analog
5
6
UM2488 - Rev 4
®
Uno V3 connectors
®
can fit to the STM32H745I-DISCO
ARDUINO
Table 6. ARDUINO
Left connectors
Pin Microcontroller
name pin
-
NC -
IOREF -
RESET NRST
3V3 -
5V -
GND -
GND -
VIN -
-
A0 PC0
A1 PF8
A2 PA0_C
A3 PA1_C
A4 PC2_C or PD13
A5 PC3_C or PD12
and STM32H750B-DK
®
connectors support ARDUINO
®
connectors (CN2, CN3, CN6, and CN7)
Function Function
I2C1_SCL
I2C1_SDA
AVDD
Ground
- SPI2_SCK
3.3V Ref SPI2_MISO
TIM12_CH2,
RESET
SPI2_MOSI
3.3V
TIM3_CH1,
SPI2_NSS
input/output
5Voutput TIM8_CH3N
Ground -
Ground
Power input -
TIM15_CH2
ADC123_IN10 TIM1_CH1
ADC3_IN7 -
ADC12_IN0 TIM3_CH1
ADC12_IN1 -
ADC3_IN0
(PC2) or
USART1_TX
I2C1_SDA
(PD13)
ADC3_IN1
(PC3) or
USART1_RX
I2C1_SCL
(PD12)
®
standard. Most shields
Discovery kits. The
®
Uno V3.
®
Uno.
Right connectors
Microcontroller Pin Pin
pin name number
PD12 D15 10
PD13 D14 9
- AREF 8
- GND 7
PD3 D13 6
PI2 D12 5
PB15 D11 4
PB4 D10 3
PH15 D9 2
PE3 D8 1
-
PI8 D7 8
PE6 D6 7
PA8 D5 6
PK1 D4 5
PA6 D3 4
PG3 D2 3
PB6 D1 2
PB7 D0 1
UM2488
Connectors
CN
number
CN2
digital
CN6
digital
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