User's Manual
SPZB32W1A2.1 / SPZB32W1C2.1
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4 – PIN DESCRIPTION
Table 6. Pin Description
Module
Pin
Number
PIN
Name
Direction STM32W
pin
Description
1
PB5 I/O 43 Digital I/O
ADC0 Analog 43 ADC Input 0
TIM2CLK I 43 Timer 2 external clock input
TIM1MSK I 43 Timer 1 external clock mask input
2
PA5 I/O 27 Digital I/O
ADC5 Analog 27 ADC Input 1
PTI_DATA O 27 Frame signal of PTI (Packet Trace Interface)
nBOOTMODE I 27 Embedded serial bootloader activation out of reset
TRACEDATA3 0 27 Synchrounus CPU trace data bit 3
3
PA4 I/O 26 Digital I/O
ADC4 Analog 26 ADC Input 0
PTI_EN O 26 Frame signal of PTI (Packet Trace Interface)
TRACEDATA2 O 26 Synchrounus CPU trace data bit 2
4
PA3 I/O 25 Digital I/O
SC2nSSEL I 25 SPI SLAVE SELECT of Serial Controller 2
TIM2_CH2 I/O 25 Timer 2 channel 2 output (or input - Disable remap with TIM2_OR[5])
TRACECLK O 25 Synchrounus CPU trace clock
5
nRESET I 12 Active low reset ( an internal pull-up of 30 kohm typ. is provided)
6
PB3 I/O 19 Digital I/O
UART_CTS I 19 UART CTS handshake of Serial Controller 1
SC1SCLK I/O 19 SPI slaver clock of Serial Controller SC1 / SPI master clock of Serial Controller SC1
TIM2_CH3 I/O 19 Timer 2 channel 3 input / Timer 2 channel 3 output
7
PB4 I/O 20 Digital I/O
UART_RTS O 20 UART RTS handshake of Serial Controller 1
TIM2_CH4 I/O 20 Timer 2 channel 4 input / Timer 2 channel 4 output
SC1nSSEL I 20 SPI slave select of Serial Controller 1
8
PA0 I/O 21 Digital I/O
SC2MOSI O 21 SPI Master data out of Serial Controller 2
SC2MOSI I 21 SPI Slave data in of Serial Controller 2
TIM2_CH1 I/O 21 Timer 2 channel 1 input / Timer 2 channel 1 output
9
PA1 I/O 22 Digital I/O
SC2MISO I 22 SPI Master data in of Serial Controller 2
SC2MISO O 22 SPI Slave data out of Serial Controller 2
SC2SDA I/O 22 TWI (I2C) data of Serial Controller 2
TIM2_CH3 I/O 22 Timer 2 channel 3 input / Timer 2 channel 3 output
10
PA2 I/O 24 Digital I/O
SC2SCLK O 24 SPI Master clock of Serial Controller 2
SC2SCLK I 24 SPI Slave clock of Serial Controller 2
SC2SCL I/O 24 TWI (I2C) clock of Serial Controller 2