STM8S003K3 datasheet(2/100 Pages) STMICROELECTRONICS

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Contents

1 Introduction ..............................................................................................................7

2 Description ...............................................................................................................8

3 Block diagram ..........................................................................................................9

4 Product overview ...................................................................................................10

4.1 Central processing unit STM8 .....................................................................................10

4.2 Single wire interface module (SWIM) and debug module (DM) ..................................10

4.3 Interrupt controller .......................................................................................................11

4.4 Flash program memory and data EEPROM ................................................................11

4.5 Clock controller ............................................................................................................12

4.6 Power management ....................................................................................................13

4.7 Watchdog timers ..........................................................................................................13

4.8 Auto wakeup counter ...................................................................................................14

4.9 Beeper ........................................................................................................................14

4.10 TIM1 - 16-bit advanced control timer .........................................................................14

4.11 TIM2 - 16-bit general purpose timer ..........................................................................15

4.12 TIM4 - 8-bit basic timer ..............................................................................................15

4.13 Analog-to-digital converter (ADC1) ............................................................................15

4.14 Communication interfaces .........................................................................................16

4.14.1 UART1 ...............................................................................................16

4.14.2 SPI .....................................................................................................17

4.14.3 I²C ......................................................................................................17

5 Pinout and pin description ...................................................................................18

5.1 STM8S003K3 LQFP32 pinout and pin description ......................................................18

5.2 STM8S003F3 TSSOP20/UFQFPN20 pinout and pin description ...............................21

5.2.1 STM8S003F3 TSSOP20 pinout and pin description ............................21

5.2.2 STM8S003F3 UFQFPN20 pinout ........................................................22

5.2.3 STM8S003F3 TSSOP20/UFQFPN20 pin description ..........................22

5.3 Alternate function remapping .......................................................................................24

6 Memory and register map .....................................................................................25

6.1 Memory map ................................................................................................................25

6.2 Register map ...............................................................................................................26

6.2.1 I/O port hardware register map ............................................................26

6.2.2 General hardware register map

..........................................................27

6.2.3 CPU/SWIM/debug module/interrupt controller registers

.....................36

7 Interrupt vector mapping ......................................................................................39

8 Option bytes ...........................................................................................................41

8.1 Alternate function remapping bits ................................................................................43

DocID018576 Rev 3

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STM8S003K3 STM8S003F3

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