STM8S903K3 datasheet(1/121 Pages) STMICROELECTRONICS

Part #	STM8S903K3

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, IC

PDF	121 Pages

Scroll/Zoom	100%

Manufacturer	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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1 / 121 page

This is information on a product in full production.

March 2015

DocID15590 Rev 10

1/121

STM8S903K3 STM8S903F3

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

Datasheet

- production data

Features

Core

 16 MHz advanced STM8 core with Harvard

architecture and 3-stage pipeline

 Extended instruction set

Memories

 Program memory: 8 Kbytes Flash; data

retention 20 years at 55 °C after 10 kcycles

 Data memory: 640 bytes true data EEPROM;

endurance 300 kcycles

 RAM: 1 Kbytes

Clock, reset and supply management

 2.95 to 5.5 V operating voltage

 Flexible clock control, 4 master clock sources

– Low power crystal resonator oscillator

– External clock input

– Internal, user-trimmable 16 MHz RC

– Internal low-power 128 kHz RC

 Clock security system with clock monitor

 Power management:

– Low-power modes (wait, active-halt, halt)

– Switch-off peripheral clocks individually

 Permanently active, low consumption power-

on and power-down reset

Interrupt management

 Nested interrupt controller with 32 interrupts

 Up to 28 external interrupts on 7 vectors

Timers

 Advanced control timer: 16-bit, 4 CAPCOM

channels, 3 complementary outputs, dead-time

insertion and flexible synchronization

 16-bit general purpose timer, with 3 CAPCOM

channels (IC, OC or PWM)

 8-bit basic timer with 8-bit prescaler

 Auto wake-up timer

 Window watchdog and independent watchdog

timers

Communication interfaces

 UART with clock output for synchronous

operation, SmartCard, IrDA, LIN master mode

 SPI interface up to 8 Mbit/s

 I2C interface up to 400 kbit/s

Analog to digital converter (ADC)

 10-bit, ±1 LSB ADC with up to 7 multiplexed

channels + 1 internal channel, scan mode and

analog watchdog

I/Os

 Up to 28 I/Os on a 32-pin package including 21

high sink outputs

 Highly robust I/O design, immune against

current injection

Unique ID

 96-bit unique key for each device

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Similar Part No. - STM8S903K3

Manufacturer	Part #	Datasheet	Description
STMicroelectronics	STM8S903K3	1Mb / 124P	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 May 2017
	STM8S903K3B6	1Mb / 124P	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 May 2017
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	STM8S903K3	1Mb / 124P	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 May 2017

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Manufacturer	Part #	Datasheet	Description
STMicroelectronics	STM8S103F3P3	1Mb / 113P	Access line, 16 MHz STM8S 8-bit MCU, up to 8 Kbytes Flash, data EEPROM,10-bit ADC, 3 timers, UART, SPI, I2C 09-Sep-2010
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