STM8S903K3U3 STMicroelectronics, STM8S903K3U3 Datasheet - Page 9

• 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

STM8S903K3 STM8S903F3
2
Description
The STM8S903K3 and STM8S903F3 8-bit microcontrollers offer 8 Kbytes Flash program
memory, plus integrated true data EEPROM. The STM8S microcontroller family reference
manual (RM0016) refers to devices in this family as low-density. They provide the following
benefits:
•
•
•
•
Device
Pin count
Max. number of GPIOs (I/Os)
Ext. interrupt pins
Timer CAPCOM channels
Timer complementary outputs
A/D converter channels
High sink I/Os
Low density Flash program memory(bytes)
Data EEPROM (bytes)
RAM (bytes)
Peripheral set
(1)
(2)
Reduced system cost
-
-
Performance and robustness
-
-
-
Full documentation and a wide choice of development tools
Advanced core and peripherals made in a state-of-the art technology
Including 21 high sink outputs
No read-while-write (RWW) capability
Integrated true data EEPROM for up to 300 k write/erase cycles
High system integration level with internal clock oscillators, watchdog and brown-out
reset.
16 MHz CPU clock frequency
Robust I/O, independent watchdogs with separate clock source
Clock security system
Table 1: STM8S903K3/F3 access line features
DocID15590 Rev 5
STM8S903K3/F3
32
28
28
7
3
7
21
8K
640
1K
Multipurpose timer (TIM1), SPI, I
window WDG, independent WDG, ADC,
PWM timer (TIM5), 8-bit timer (TIM6)
(1)
(2)
Description
2
C, UART
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