microcontroller

STM8S903F3U6TR

Symbol
NRST1PA1/OSCIN2PA2/OSCOUT3VSS4VCAP5VDD6PA3/TIM5_CH3[SPI_NSS][UART1_TX]7PB5/I2C_SDA[TIM1_BKIN]8PB4/I2C_SCL[ADC_ETR]9PC3/TIM1_CH3/TLI/[TIM1_CH1N]10PD6/AIN6/UART1_RX20PD5/AIN5/UART1_TX19PD4/TIM5_CH1/BEEP[UART1_CK]18PD3/AIN4/TIM5_CH2/ADC_ETR17PD2/AIN3/[TIM5_CH3]16PD1/SWIM15PC7/SPI_MISO[TIM1_CH2]14PC6/SPI_MOSI[TIM1_CH1]13PC5/SPI_SCK[TIM5_CH1]12PC4/TIM1_CH4/CLK_CCO/AIN2/[TIM1_CH2N]11
Footprint
4789121314171819201610235615111
3D Model
Pin Map
PinNameTypeMountShapeWidth × Height (mm)
NRSTinputSMDcustom0.424×0.249
PA1/OSCINoutputSMDroundrect0.7×0.3
PA2/OSCOUTioSMDroundrect0.7×0.3
VSSgroundSMDroundrect0.7×0.3
VCAPpowerSMDcustom0.424×0.249
VDDpowerSMDcustom0.249×0.425
PA3/TIM5_CH3[SPI_NSS][UART1_TX]passiveSMDroundrect0.3×0.7
PB5/I2C_SDA[TIM1_BKIN]passiveSMDroundrect0.3×0.7
PB4/I2C_SCL[ADC_ETR]passiveSMDroundrect0.3×0.7
PC3/TIM1_CH3/TLI/[TIM1_CH1N]passiveSMDcustom0.3×0.5
PC4/TIM1_CH4/CLK_CCO/AIN2/[TIM1_CH2N]passiveSMDcustom0.424×0.249
PC5/SPI_SCK[TIM5_CH1]passiveSMDroundrect0.7×0.3
PC6/SPI_MOSI[TIM1_CH1]passiveSMDroundrect0.7×0.3
PC7/SPI_MISO[TIM1_CH2]passiveSMDroundrect0.7×0.3
PD1/SWIMpassiveSMDcustom0.424×0.249
PD2/AIN3/[TIM5_CH3]passiveSMDcustom0.3×0.5
PD3/AIN4/TIM5_CH2/ADC_ETRpassiveSMDroundrect0.3×0.7
PD4/TIM5_CH1/BEEP[UART1_CK]passiveSMDroundrect0.3×0.7
PD5/AIN5/UART1_TXpassiveSMDroundrect0.3×0.7
PD6/AIN6/UART1_RXpassiveSMDcustom0.3×0.5

Key Parameters

Frequency
16MHz

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Details

Category
microcontroller
MPN
STM8S903F3U6TR
Manufacturer
STMicroelectronics
Package
QFN-20(3x3)
Footprint
QFN-20_L3.0-W3.0-P0.50-BL
JLCPCB
C2055591
LCSC
C2055591
Lifecycle
active
Mounting
SMT
RoHS
Compliant
MSL
MSL 1
ECCN
EAR99

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