STM8S903K3U6 STMicroelectronics, STM8S903K3U6 Datasheet - Page 19

• Manufacturer Part Number: STM8S903K3U6
• Description: IC MCU 8BIT 8KB FLASH 32UFQFPN
• Manufacturer: STMicroelectronics
• Series: STM8Sr

Specifications of STM8S903K3U6

• 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 ~ 85°C
• Package / Case: *
• Core: STM8
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

STM8S903K3 STM8S903F3
5
Pinout and pin description
Type
Level
Output speed
Port and control
configuration
Reset state
Table 4: Legend/abbreviations for pinout tables
I= Input, O = Output, S = Power supply
Input
Output
O1 = Slow (up to 2 MHz)
O2 = Fast (up to 10 MHz)
O3 = Fast/slow programmability with slow as default state after reset
O4 = Fast/slow programmability with fast as default state after reset
Input
Output
Bold X (pin state after internal reset release).
Unless otherwise specified, the pin state is the same during the reset
phase and after the internal reset release.
DocID15590 Rev 5
CM = CMOS
HS = High sink
float = floating, wpu = weak pull-up
T = True open drain, OD = Open drain, PP =
Push pull
Pinout and pin description
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