microcontroller

STM8S903F3M3

Symbol
PD4/TIM5_CH1/BEEP[UART1_CK]1PD5/AIN5/UART1_TX2PD6/AIN6/UART1_RX3NRST4PA1/OSCIN5PA2/OSCOUT6VSS7VCAP8VDD9PA3/TIM5_CH3[SPI_NSS][UART1_TX]10PD3/AIN4/TIM5_CH2/ADC_ETR20PD2/AIN3/[TIM5_CH3]19PD1/SWIM18PC7/SPI_MISO[TIM1_CH2]17PC6/SPI_MOSI[TIM1_CH1]16PC5/SPI_SCK[TIM5_CH1]15PC4/TIM1_CH4/CLK_CCO/AIN2/[TIM1_CH2N]14PC3/TIM1_CH3/TLI/[TIM1_CH1N]13PB4/I2C_SCL[ADC_ETR]12PB5/I2C_SDA[TIM1_BKIN]11
Footprint
1234567813141516171819209101211
3D Model
Pin Map
PinNameTypeMountShapeWidth × Height (mm)
PD4/TIM5_CH1/BEEP[UART1_CK]inputSMDroundrect0.66×2.032
PD5/AIN5/UART1_TXoutputSMDroundrect0.66×2.032
PD6/AIN6/UART1_RXioSMDroundrect0.66×2.032
NRSTinputSMDroundrect0.66×2.032
PA1/OSCINpassiveSMDroundrect0.66×2.032
PA2/OSCOUTpassiveSMDroundrect0.66×2.032
VSSgroundSMDroundrect0.66×2.032
VCAPpowerSMDroundrect0.66×2.032
VDDpowerSMDroundrect0.66×2.032
PA3/TIM5_CH3[SPI_NSS][UART1_TX]passiveSMDroundrect0.66×2.032
PB5/I2C_SDA[TIM1_BKIN]passiveSMDroundrect0.66×2.032
PB4/I2C_SCL[ADC_ETR]passiveSMDroundrect0.66×2.032
PC3/TIM1_CH3/TLI/[TIM1_CH1N]passiveSMDroundrect0.66×2.032
PC4/TIM1_CH4/CLK_CCO/AIN2/[TIM1_CH2N]passiveSMDroundrect0.66×2.032
PC5/SPI_SCK[TIM5_CH1]passiveSMDroundrect0.66×2.032
PC6/SPI_MOSI[TIM1_CH1]passiveSMDroundrect0.66×2.032
PC7/SPI_MISO[TIM1_CH2]passiveSMDroundrect0.66×2.032
PD1/SWIMpassiveSMDroundrect0.66×2.032
PD2/AIN3/[TIM5_CH3]passiveSMDroundrect0.66×2.032
PD3/AIN4/TIM5_CH2/ADC_ETRpassiveSMDroundrect0.66×2.032

Key Parameters

Frequency
16MHz

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Details

Category
microcontroller
MPN
STM8S903F3M3
Manufacturer
STMicroelectronics
Package
SO-20-300mil
Footprint
SO-20_L12.8-W7.5-P1.27-LS10.3-BL
JLCPCB
C1340772
LCSC
C1340772
Lifecycle
active
Mounting
SMT
RoHS
Compliant
MSL
MSL 3
ECCN
EAR99

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