STM8L101F2P3ATR datasheet(10/81 Pages) STMICROELECTRONICS

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Product overview

STM8L101xx

10/81

Doc ID 15275 Rev 11

3.1

Central processing unit STM8

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

It features 21 internal registers, 20 addressing modes including indexed, indirect and relative

addressing, and 80 instructions.

3.2

Development tools

Development tools for the STM8 microcontrollers include:

●

The STice emulation system offering tracing and code profiling

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The STVD high-level language debugger including C compiler, assembler and

integrated development environment

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The STVP Flash programming software

The STM8 also comes with starter kits, evaluation boards and low-cost in-circuit

debugging/programming tools.

3.3

Single wire data interface (SWIM) and debug module

The debug module with its single wire data interface (SWIM) permits non-intrusive real-time

in-circuit debugging and fast memory programming.

The Single wire interface is used for direct access to the debugging module and memory

programming. The interface can be activated in all device operation modes.

The non-intrusive debugging module features a performance close to a full-featured

emulator. Beside memory and peripherals, also CPU operation can be monitored in real-

time by means of shadow registers.

3.4

Interrupt controller

The STM8L101xx features a nested vectored interrupt controller:

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Nested interrupts with 3 software priority levels

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26 interrupt vectors with hardware priority

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Up to 29 external interrupt sources on 10 vectors

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Trap and reset interrupts

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