STM8L052C6T6

Value Line series 8-bit ultra-low-power microcontroller with 32KB Flash, 256-byte data EEPROM, RTC, LCD, timers, USART, I2C, SPI, and ADC

Key features

• Operating conditions - Operating power supply: 1.8 V to 3.6 V - Temperature range: -40 °C to 85 °C
• Low-power features - Five low-power modes: Wait, Low-power run (5.1 μA), Low-power wait (3 μA), Active halt with full RTC (1.3 μA), Halt (350 nA) - Consumption: 195 μA/MHz + 440 μA - Ultra-low leakage per I/O: 50 nA - Fast wakeup from Halt: 4.7 μs
• Advanced STM8 core - Harvard architecture and 3-stage pipeline - Max freq. 16 MHz, 16 CISC MIPS peak - Up to 40 external interrupt sources
• Reset and supply management - Low-power, ultra-safe BOR reset with five selectable thresholds - Ultra-low-power POR/PDR - Programmable voltage detector (PVD)
• Clock management - 32 kHz and 1 to 16 MHz crystal oscillator - Internal 16 MHz factory-trimmed RC - Internal 38 kHz low consumption RC - Clock security system
• Low-power RTC - BCD calendar with alarm interrupt - Auto-wakeup from Halt w/ periodic interrupt
• LCD: up to 4x28 segments w/ step-up converter
• Memories - 32 KB Flash program memory and 256 bytes data EEPROM with ECC, RWW - Flexible write and read protection modes - 2 Kbytes of RAM
• DMA - Four channels supporting ADC, SPI, I2C, USART, timers - One channel for memory-to-memory
• 12-bit ADC up to 1 Msps/25 channels - Internal reference voltage
• Timers - Two 16-bit timers with two channels (used as IC, OC, PWM), quadrature encoder - One 16-bit advanced control timer with three channels, supporting motor control - One 8-bit timer with 7-bit prescaler - Two watchdogs: one Window, one Independent - Beeper timer with 1-, 2- or 4-kHz frequencies
• Communication interfaces - Synchronous serial interface (SPI) - Fast I²C 400 kHz - SMBus and PMBus - USART (ISO 7816 interface and IrDA)
• Up to 41 I/Os, all mappable on interrupt vectors
• Development support - Fast on-chip programming and nonintrusive debugging with SWIM - Bootloader using USART