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STM8S903F3P3 - 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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STM8S903F3P3 - STMicroelectronics PCB footprint - Small Outline Packages - Small Outline Packages - TSSOP
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STM8S903F3P3 Details

  • Manufacturer Part Number:

    STM8S903F3P3

  • Brand Name:

    STMicroelectronics

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    TSSOP

  • Package Description:

    TSSOP-20

  • Pin Count:

    20

  • Country Of Origin:

    Mainland China

  • 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:

    6.5 mm

  • Moisture Sensitivity Level:

    3

  • Number of I/O Lines:

    16

  • Number of Terminals:

    20

  • On Chip Program ROM Width:

    32

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • PWM Channels:

    YES

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    TSSOP

  • Package Equivalence Code:

    TSSOP20,.25

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • RAM (bytes):

    1024

  • ROM (words):

    2048

  • ROM Programmability:

    FLASH

  • Seated Height-Max:

    1.2 mm

  • Speed:

    16 MHz

  • Supply Current-Max:

    4.75 mA

  • Supply Voltage-Max:

    5.5 V

  • Supply Voltage-Min:

    2.95 V

  • Supply Voltage-Nom:

    3.3 V

  • Surface Mount:

    YES

  • Technology:

    CMOS

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

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

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.65 mm

  • Terminal Position:

    DUAL

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

    40

  • Width:

    4.4 mm

  • uPs/uCs/Peripheral ICs Type:

    MICROCONTROLLER

STM8S903F3P3 Frequently Asked Questions (FAQs)

  • The maximum clock frequency that can be used with the internal oscillator is 16 MHz. However, it's recommended to use a clock frequency of up to 12 MHz to ensure reliable operation.
  • To configure the watchdog timer to reset the microcontroller, you need to set the WDPG bit in the WCR register to select the watchdog timer prescaler, and then set the WDGA bit to enable the watchdog timer. You can also set the WDV bit to select the watchdog timer window.
  • No, the UART in the STM8S903F3P3 can only operate in asynchronous mode. It does not support synchronous mode.
  • To enable the brown-out reset (BOR) feature, you need to set the BOREN bit in the CLK_CSR register. You can also adjust the BOR voltage threshold by setting the BORV bits in the CLK_CSR register.
  • The minimum voltage required for the STM8S903F3P3 to operate is 2.95V. However, it's recommended to operate the microcontroller at a voltage of 3.3V or higher for reliable operation.

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STM8S903F3P3 Overview

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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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