STM8S903F3P6 STMicroelectronics, STM8S903F3P6 Datasheet - Page 21

• Manufacturer Part Number: STM8S903F3P6
• Description: MCU 8BIT 8KB FLASH 20TSSOP
• Manufacturer: STMicroelectronics
• Series: STM8Sr

Specifications of STM8S903F3P6

• 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: 14
• 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: 20-TSSOP
• Processor Series: STM8S90x
• Core: STM8
• 3rd Party Development Tools: EWSTM8
• Development Tools By Supplier: STICE-SYS001
• Featured Product: STM32 Cortex-M3 Companion Products
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

STM8S903K3 STM8S903F3
5.2
STM8S903K3/F3 UFQFPN32/LQFP32/SDIP32 pinout
1. (HS) high sink capability.
2. (T) true open drain (P-buffer and protection diode to V
3. [ ] alternate function remapping option (if the same alternate function is shown twice, it
indicates an exclusive choice not a duplication of the function).
[UART1_TX] [SPI_NSS] TIM5_CH3/(HS) PA3
Figure 4: STM8S903K3/F3 UFQFPN32/LQFP32 pinout
[UART1_RX] PF4
OSCOUT/PA2
OSCIN/PA1
NRST
VCAP
DocID15590 Rev 5
V SS
V DD
1
2
3
4
5
6
7
8
32 31 30 29 28 27 26 25
9 10 11 12 13 14 15 16
24
23
22
21
20
19
18
17
PC7 (HS)/SPI_MISO [TIM1_CH2]
PC6 (HS)/SPI_MOSI [TIM1_CH1]
PC5 (HS)/SPI_SCK [TIM5_CH1]
PC4 (HS)/TIM1_CH4/CLK_CCO [AIN2] [TIM1_CH2N]
PC3 (HS)/TIM1_CH3 [TLI] [TIM1_CH1N]
PC2 (HS)/TIM1_CH2 [TIM1_CH3N]
PC1 (HS)/TIM1_CH1/
PE5/SPI_NSS [TIM1_CH1N]
DD
not implemented).
Pinout and pin description
UART1_CK
[TIM1_CH2N]
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