
Table 17.
Pinout of ARDUINO
®
-included Zio connector CN7
Pin
Pin name Signal name
STM32
pin
MCU
function
Pin
Pin name
Signal name
STM32
pin
MCU
function
1
D16
SAI_C_MCLK
PC6
SAI2_A
2
D15
I2C_A_SCL
PB8
I2C1
3
D17
SAI_C_SD
PD11
SAI2_A
4
D14
I2C_A_SDA
PB9
I2C1
5
D18
SAI_C_SCK
PB13
SAI2_A
6
VREFP
-
-
-
7
D19
SAI_C_FS
PD12
SAI2_A
8
GND
-
-
-
9
D20
SAI_D_FS
PA4
SAI1_B/
SPI3
10
D13
SPI_A_SCK
PA5
SPI1
11
D21
SAI_D_MCLK
PB4
SAI1_B/
SPI3
12
D12
SPI_A_MISO
PA6
SPI1
13
D22
SAI_D_SD/
SPI_B_MOSI
PB5
SAI1_B/
SPI3
14
D11
SPI_A_MOSI /
TIM_E_PWM1
PA7
SPI1
15
D23
SAI_D_SCK/
SPI_B_SCK
PB3
SAI1_B/
SPI3
16
D10
SPI_A_CS /
TIM_B_PWM3
PD14
SPI1/
TIM4_CH3
17
D24
SPI_B_NSS
PA4
SAI1/SPI3 18
D9
TIM_B_PWM2
PD15
TIM4_CH4
19
D25
SPI_B_MISO
PB4
SAI1/SPI3 20
D8
IO
PF12
-
Table 18.
Pinout of ARDUINO
®
-included Zio connector CN8
Pin
Pin name Signal name
STM32
pin
ARD
function
Pin
Pin name
Signal name
STM32
pin
MCU
function
1
NC
NC
-
ARD RES
2
D43
SDMMC_D0
PC8
SDMMC1
3
IOREF
IOREF
-
ARD
IOREF
4
D44
SDMMC_D1
PC9
SDMMC1
5
NRST
NRST
NRST
ARD
RESET
6
D45
SDMMC_D2
PC10
SDMMC1
7
3V3
3V3
-
ARD 3V3
I/O
8
D46
SDMMC_D3
PC11
SDMMC1
9
5V
5V
-
ARD 5V
Output
10
D47
SDMMC_CK
PC12
SDMMC1
11
GND
GND
-
ARD GND 12
D48
SDMMC_CMD
PD2
SDMMC1
13
GND
GND
-
ARD GND 14
D49
I/O
PF3
-
15
VIN
VIN
-
ARD VIN
16
D50
I/O
PF5
-
Table 19.
Pinout of ARDUINO
®
-included Zio connector CN9
Pin
Pin
names
Signal name
STM32
pin
MCU
function
Pin
Pin
names
Signal name
STM32
pin
MCU
function
1
A0
ADC
PA3
ADC12_IN
8
2
D51
USART_B_SCL
K
PD7
USART2
3
A1
ADC
PA2
ADC12_IN
7
4
D52
USART_B_RX
PD6
USART2
5
A2
ADC
PC3
ADC12_IN
4
6
D53
USART_B_TX
PD5
USART2
7
A3
ADC
PB0
ADC12_IN
15
8
D54
USART_B_RTS
PD4
USART2
UM2581
Zio connectors supporting ARDUINO® Uno V3
UM2581
-
Rev 2
page 35/48