STM8S903K3U3 STMicroelectronics, STM8S903K3U3 Datasheet - Page 44

• 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

Option bytes
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Option byte no.
Option byte no.
(1)
(2)
OPT2
Table 13: STM8S903F3 alternate function remapping bits [7:2] for 20-pin packages
Do not use more than one remapping option in the same port.
Refer to pinout description.
Description
Description
AFR5 Alternate function remapping option 5
0: AFR5 remapping option inactive: Default alternate function
1: Port D0 alternate function = CLK_CCO.
AFR4 Alternate function remapping option 4
0: AFR4 remapping option inactive: Default alternate functions
1: Port B4 alternate function = ADC_ETR; port P5 alternate function
= TIM1_BKIN.
AFR3 Alternate function remapping option 3
0: AFR3 remapping option inactive: Default alternate function
1: Port C3 alternate function = TLI.
AFR2 Alternate function remapping option 2
0: AFR2 remapping option inactive: Default alternate functions
1: Port C4 alternate function = AIN2; port D2 alternate function =
AIN3; port D4 alternate function = UART1_CK.
AFR7 Alternate function remapping option 7
0: AFR7 remapping option inactive: Default alternate functions
1: Port C3 alternate function = TIM1_CH1N; port C4 alternate
function = TIM1_CH2N.
AFR6 Alternate function remapping option 6
Reserved.
AFR5 Alternate function remapping option 5
Reserved.
AFR4 Alternate function remapping option 4
0: AFR4 remapping option inactive: Default alternate functions
1: Port B4 alternate function = ADC_ETR; port P5 alternate function
= TIM1_BKIN.
AFR3 Alternate function remapping option 3
DocID15590 Rev 5
(1)
(1)
STM8S903K3 STM8S903F3
(2)
(2)
(2)
(2)
(2)
(2)
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.
.
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