STM8S103xx, STM8S105xx
Product overview
4.13
Analog/digital converter (ADC)
ā STM8S103/105 access line products contain a 10-bit successive approximation A/D
converter with up to 10 multiplexed input channels and the following general features:
ā Input voltage range: 0 to VDDA
ā Dedicated voltage reference (VREF) pins available on 80 and 64-pin devices
ā Conversion time: 14 clock cycles
ā Single and continuous conversion modes
ā External trigger input
ā Trigger from TIM1 TRGO (STM8S105) or TIM2 TRGO (STM8S103)
ā End of conversion (EOC) interrupt
ADC extended features
ā STM8S103/105 access line products contain a 10-bit successive approximation A/D
converter with the following features:
ā Up to 10 (STM8S105x) or 7 (STM8S103x) multiplexed input channels
ā Single, continuous and buffered continuous conversion on a selected channel
ā Scan mode for single and continuous conversion of a sequence of channels
ā Analog watchdog capability with programmable upper and lower thresholds
ā Internal reference voltage on channel AIN7 (STM8S103 only)
ā Analog watchdog interrupt
4.14
Communication interfaces
The following communication interfaces are implemented:
ā USART:
ā STM8S105: no USART
ā STM8S103: full feature UART, single wire mode, LIN2.1 master capability
ā LINUART:
ā STM8S105: LIN2.1 master/slave capability, full feature UART, synchronous mode,
SPI master mode, Smartcard mode, IrDA mode
ā STM8S103: No LINUART
ā SPI - full and half-duplex, 8 Mbit/s
ā I²C - up to 400 Kbit/s
17/56