ST STM8TL52G4U6

8-bit ultra-low-power touch sensing microcontroller with 16 Kbyte Flash, ProxSense, timers, USART, SPI, I2C

• Operating power supply: 1.65 V to 3.6 V
• Temperature range: -40 ℃ to 85 ℃
• 4 low power modes: Wait, Active-halt with AWU (1 μA), Active-halt with ProxSense (10 μA with scan every 200 ms), Halt (0.4 μA)
• Dynamic power consumption: 150 μA/MHz
• Fast wakeup from Halt mode: 4.7 μs
• Ultra-low leakage per I/O: 50 nA
• Harvard architecture with 3-stage pipeline
• Max freq. 16 MHz, 16 CISC MIPS peak
• Up to 16 Kbyte of Flash program including up to 2 Kbyte of data EEPROM
• Error correction code (ECC)
• Flexible write and read protection modes
• In-application and in-circuit programming
• Data EEPROM capability
• 4 Kbyte of static RAM
• Internal 16 MHz factory-trimmed RC
• Internal 38 kHz low consumption RC driving both the IWDG and the AWU
• Ultra-low-power, ultra safe power-on reset/ power-down reset
• Nested interrupt controller with software priority control
• Up to 22 external interrupt sources
• Up to 23 with 22 mappable on external interrupt vectors
• I/Os with programmable input pull-ups, high sink/source capability
• ProxSense patented acquisition technology with up to 300 touch sensing channels (20 receiver/transmitter channels and 15 transmitter channels) supporting projected capacitive acquisition method suitable for proximity detection
• Two 16-bit general purpose timers (TIM2 and TIM3) with up and down counter and two channels (used as IC, OC, PWM)
• One 8-bit timer (TIM4) with 7-bit prescaler
• Independent watchdog
• Window watchdog
• Auto-wakeup unit
• Beeper timer with 1, 2 or 4 kHz frequencies
• SPI synchronous serial interface
• Fast I²C Multimaster/slave 400 kHz
• USART with fractional baud rate generator
• Hardware single wire interface module (SWIM)
• In-circuit emulation (ICE)