STM8S903K3U3 STMicroelectronics, STM8S903K3U3 Datasheet - Page 4

• Manufacturer Part Number: STM8S903K3U3
• Description: IC MCU 8BIT 8KB FLASH 32UFQFPN
• Manufacturer: STMicroelectronics
• Series: STM8Sr

Specifications of STM8S903K3U3

• Featured Product: STM32 Cortex-M3 Companion Products
• Core Processor: STM8
• Core Size: 8-Bit
• Speed: 16MHz
• Connectivity: I²C, IrDA, LIN, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 28
• Program Memory Size: 8KB (8K x 8)
• Program Memory Type: FLASH
• Eeprom Size: 640 x 8
• Ram Size: 1K x 8
• Voltage - Supply (vcc/vdd): 2.95 V ~ 5.5 V
• Data Converters: A/D 7x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 125°C
• Package / Case: *
• Core: STM8
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

List of tables
List of tables
Table 1. STM8S903K3/F3 access line features .......................................................................................9
Table 2. Peripheral clock gating bit assignments in CLK_PCKENR1/2 registers ..................................14
Table 3. TIM timer features ....................................................................................................................16
Table 4. Legend/abbreviations for pinout tables ...................................................................................19
Table 5. TSSOP20/SO20/UFQFPN32/LQFP32/SDIP32 pin description ...............................................22
Table 6. I/O port hardware register map ................................................................................................26
Table 7. General hardware register map ................................................................................................41
Table 8. CPU/SWIM/debug module/interrupt controller registers .........................................................52
Table 9. Interrupt mapping .....................................................................................................................39
Table 10. Option bytes ........................................................................................................................110
Table 11. Option byte description ...........................................................................................................41
Table 12. STM8S903K3 alternate function remapping bits [7:2] for 32-pin packages ...........................43
Table 13. STM8S903F3 alternate function remapping bits [7:2] for 20-pin packages ...........................44
Table 14. STM8S903K3 alternate function remapping bits [1:0] for 32-pin packages .........................100
Table 15. STM8S903F3 alternate function remapping bits [1:0] for 20-pin packages ...........................46
Table 16. Unique ID registers (96 bits) .................................................................................................110
Table 17. Voltage characteristics ...........................................................................................................49
Table 18. Current characteristics ...........................................................................................................50
Table 19. Thermal characteristics ..........................................................................................................50
Table 20. General operating conditions .................................................................................................51
Table 21. Operating conditions at power-up/power-down ......................................................................52
Table 22. Total current consumption with code execution in run mode at V
Table 23. Total current consumption with code execution in run mode at V
Table 24. Total current consumption in wait mode at V
Table 25. Total current consumption in wait mode at V
Table 26. Total current consumption in active halt mode at V
Table 27. Total current consumption in active halt mode at V
Table 28. Total current consumption in halt mode at V
Table 29. Total current consumption in halt mode at V
Table 30. Wakeup times .........................................................................................................................58
Table 31. Total current consumption and timing in forced reset state ....................................................59
Table 32. Peripheral current consumption .............................................................................................60
Table 33. HSE user external clock characteristics .................................................................................63
Table 34. HSE oscillator characteristics .................................................................................................63
Table 35. HSI oscillator characteristics ..................................................................................................65
Table 36. LSI oscillator characteristics ...................................................................................................66
Table 37. RAM and hardware registers ..................................................................................................67
Table 38. Flash program memory/data EEPROM memory ....................................................................67
Table 39. I/O static characteristics .........................................................................................................68
Table 40. Output driving current (standard ports) ..................................................................................70
Table 41. Output driving current (true open drain ports) ........................................................................71
Table 42. Output driving current (high sink ports) ..................................................................................71
Table 43. NRST pin characteristics ........................................................................................................76
Table 44. SPI characteristics ..................................................................................................................79
Table 45. I
Table 46. ADC characteristics ................................................................................................................83
Table 47. ADC accuracy with R
4/113
2
C characteristics ..................................................................................................................82
AIN
< 10 kΩ , V
DocID15590 Rev 5
DD
= 5 V .........................................................................84
DD
DD
DD
DD
= 5 V .............................................................58
= 3.3 V ..........................................................58
= 5 V ............................................................55
= 3.3 V .........................................................55
DD
DD
= 5 V ..................................................56
= 3.3 V ...............................................57
DD
DD
STM8S903K3 STM8S903F3
= 5 V .............................53
= 3.3 V ..........................54