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STM8S903K3 Datasheet(PDF) 19 Page - STMicroelectronics

Part # STM8S903K3
Description  16 MHz STM8S 8-bit MCU, up to 8 Kbytes Flash, 1 Kbyte RAM, 640 bytes EEPROM,10-bit ADC, 2 timers, UART, SPI, I²C
PDF  124 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STM8S903K3 Datasheet(HTML) 19 Page - STMicroelectronics

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STM8S903K3 STM8S903F3
Product overview
20
4.13
Analog-to-digital converter (ADC1)
The STM8S903K3/F3 family products contain a 10-bit successive approximation A/D
converter (ADC1) with up to 7 external and 1 internal multiplexed input channels and the
following main features:
•
Input voltage range: 0 to VDD
•
Conversion time: 14 clock cycles
•
Single and continuous and buffered continuous conversion modes
•
Buffer size (n x 10 bits) where n = number of input channels
•
Scan mode for single and continuous conversion of a sequence of channels
•
Analog watchdog capability with programmable upper and lower thresholds
•
Internal reference voltage on channel AIN7
•
Analog watchdog interrupt
•
External trigger input
•
Trigger from TIM1 TRGO
•
End of conversion (EOC) interrupt
Internal bandgap reference voltage
Channel AIN7 is internally connected to the internal bandgap reference voltage. The internal
bandgap reference is constant and can be used for example to monitor VDD. It is
independent of variations in VDD and ambient temperature TA.
4.14
Communication interfaces
The following communication interfaces are implemented:
•
UART1: Full feature UART, synchronous mode, SPI master mode, Smartcard mode,
IrDA mode, single wire mode, LIN2.1 master capability
•
SPI: Full and half-duplex, 8 Mbit/s
•
I²C: Up to 400 kbit/s
4.14.1
UART1
Main features
•
1 Mbit/s full duplex SCI
•
SPI emulation
•
High precision baud rate generator
•
Smartcard emulation
•
IrDA SIR encoder decoder
•
LIN master mode
•
Single wire half duplex mode



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