Hardware and layout UM1574
26/48 Doc ID 023645 Rev 1
4.3.1 STM8AL3L68T microcontroller
This automotive 8-bit ultralow power MCU has 32 Kbytes Flash, 1 Kbytes data EEPROM,
RTC, LCD, timers, USART, I2C, SPI, ADC, DAC and comparators.
Figure 14. STM8AL3L68T package
This microcontroller belongs to the STM8AL family and provides the following benefits:
● Integrated system
– Up to 32 Kbytes of medium-density embedded Flash program memory
– 1 Kbyte of data EEPROM
– Internal high speed and low-power low speed RC.
– Embedded reset
● Ultralow power consumption
– 195 µA/MHZ + 440 µA (consumption)
– 0.9 µA with LSI in Active-halt mode
– Clock gated system and optimized power management
– Capability to execute from RAM for Low power wait mode and Low power run
mode
● Advanced features
– Up to 16 MIPS at 16 MHz CPU clock frequency
– Direct memory access (DMA) for memory-to-memory or peripheral-to-memory
access.
● Short development cycles
– Application scalability across a common family product architecture with
compatible pinout, memory map and modular peripherals.
– Wide choice of development tools
This device offers 12-bit ADC, DAC, two comparators, real-time clock, three 16-bit timers,
one 8-bit timer as well as standard communication interfaces such as SPI, I2C and USART.
A 4x28-segment LCD is available on the medium-density STM8AL3L68T device.
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