STM8S003K3 datasheet(10/100 Pages) STMICROELECTRONICS

Part #	STM8S003K3

Description	Value line, 16 MHz STM8S 8-bit MCU, 8 Kbytes Flash, 128 bytes

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Manufacturer	STMICROELECTRONICS [STMicroelectronics]

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Product overview

4

The following section intends to give an overview of the basic features of the device functional

modules and peripherals.

For more detailed information please refer to the corresponding family reference manual

(RM0016).

Central processing unit STM8

4.1

The 8-bit STM8 core is designed for code efficiency and performance.

It contains 6 internal registers which are directly addressable in each execution context, 20

addressing modes including indexed indirect and relative addressing and 80 instructions.

Architecture and registers

• Harvard architecture

• 3-stage pipeline

• 32-bit wide program memory bus - single cycle fetching for most instructions

• X and Y 16-bit index registers - enabling indexed addressing modes with or without offset

and read-modify-write type data manipulations

• 8-bit accumulator

• 24-bit program counter - 16-Mbyte linear memory space

• 16-bit stack pointer - access to a 64 K-level stack

• 8-bit condition code register - 7 condition flags for the result of the last instruction

Addressing

• 20 addressing modes

• Indexed indirect addressing mode for look-up tables located anywhere in the address

space

• Stack pointer relative addressing mode for local variables and parameter passing

Instruction set

• 80 instructions with 2-byte average instruction size

• Standard data movement and logic/arithmetic functions

• 8-bit by 8-bit multiplication

• 16-bit by 8-bit and 16-bit by 16-bit division

• Bit manipulation

• Data transfer between stack and accumulator (push/pop) with direct stack access

• Data transfer using the X and Y registers or direct memory-to-memory transfers

Single wire interface module (SWIM) and debug module (DM)

4.2

The single wire interface module and debug module permits non-intrusive, real-time in-circuit

debugging and fast memory programming.

DocID018576 Rev 3

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STM8S003K3 STM8S003F3

Product overview

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STMicroelectronics	STM8S003K3	956Kb / 100P	Value line, 16 MHz STM8S 8-bit MCU, 8 Kbytes Flash, 128 bytes data EEPROM, 10-bit ADC, 3 timers, UART, SPI, I짼C June 2012 Rev 3
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	STM8S003K3	1Mb / 103P	Value line, 16-MHz STM8S 8-bit MCU, 8-Kbyte Flash memory, 128-byte data EEPROM, 10-bit ADC, 3 timers, UART, SPI, I짼C August 2018 Rev 10
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