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STM8S903F3M6 - STMicroelectronics

Description: 16 MHz STM8S 8-bit MCU, up to 8 Kbytes Flash, 1 Kbyte RAM, 640 bytes EEPROM,10-bit ADC, 2 timers, UART, SPI, I²C

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STM8S903F3M6 - STMicroelectronics PCB footprint - Small Outline Packages - Small Outline Packages - STM8S903F3M6*1
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STM8S903F3M6 Details

  • Manufacturer Part Number:

    STM8S903F3M6

  • Brand Name:

    STMicroelectronics

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    SOIC

  • Package Description:

    SOP-20

  • Pin Count:

    20

  • Country Of Origin:

    Malaysia

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.31.00.15

  • Factory Lead Time:

    10 Weeks

  • Manufacturer:

    STMicroelectronics

  • YTEOL:

    9

  • Has ADC:

    YES

  • Bit Size:

    8

  • Boundary Scan:

    YES

  • Clock Frequency-Max:

    16 MHz

  • DAC Channels:

    NO

  • DMA Channels:

    NO

  • JESD-30 Code:

    R-PDSO-G20

  • JESD-609 Code:

    e4

  • Length:

    12.8 mm

  • Moisture Sensitivity Level:

    3

  • Number of I/O Lines:

    16

  • Number of Terminals:

    20

  • On Chip Program ROM Width:

    32

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • PWM Channels:

    YES

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SOP

  • Package Equivalence Code:

    SOP20,.4

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • RAM (bytes):

    1024

  • ROM (words):

    2048

  • ROM Programmability:

    FLASH

  • Seated Height-Max:

    2.65 mm

  • Speed:

    16 MHz

  • Supply Current-Max:

    4.75 mA

  • Supply Voltage-Max:

    5.5 V

  • Supply Voltage-Min:

    3.3 V

  • Supply Voltage-Nom:

    3.3 V

  • Surface Mount:

    YES

  • Technology:

    CMOS

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

    Nickel/Palladium/Gold (Ni/Pd/Au)

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    DUAL

  • Time@Peak Reflow Temperature-Max (s):

    30

  • Width:

    7.5 mm

  • uPs/uCs/Peripheral ICs Type:

    MICROCONTROLLER

STM8S903F3M6 Frequently Asked Questions (FAQs)

  • The internal oscillator can operate up to 16 MHz, but the maximum clock frequency depends on the voltage and temperature range. Refer to the datasheet for specific details.
  • The UART baud rate can be configured using the USART_BRR register. The formula to calculate the baud rate is: Baud Rate = fCPU / (16 * USARTDIV), where USARTDIV is the value written to the USART_BRR register.
  • The NPOR (Number of Pages to be Erased) and NPER (Number of Pages to be Programmed) bits in the FLASH_CR register are used to configure the flash memory programming and erasing operations.
  • To use the internal RC oscillator as a clock source, set the HSEON bit in the CLK_SWCR register to 0, and the HSIEN bit to 1. Then, wait for the HSIRDY bit to be set before switching to the internal RC oscillator as the clock source.
  • The watchdog timer is a safety feature that resets the microcontroller if it fails to respond within a certain time period. To use the watchdog timer, enable it by setting the WDTE bit in the WWDG_CR register, and then periodically refresh the timer by writing a specific value to the WWDG_CR register.

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About STMicroelectronics

STMicroelectronics (ST) is a global semiconductor company that designs, manufactures, and markets a broad range of integrated circuits (ICs), discrete devices, and other electronic components. STMicroelectronics offers a diverse portfolio of semiconductor products covering a wide range of applications and industries. Their product categories include microcontrollers, analog and mixed-signal ICs, MEMS (Micro-Electro-Mechanical Systems) sensors, power management ICs, RF (Radio Frequency) transceivers, aut

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