STM32L100C6U6A Description

The high-performance ARM? Cortex?-M3 32-bit RISC core operates at a frequency of 32 MHz (33.3 DMIPS) in the ultra-low-power STM32L100C6U6A device. It also features a memory protection unit (MPU), high-speed embedded memories (Flash memory up to 128 Kbytes and RAM up to 16 Kbytes), and a wide variety of enhanced I/Os and peripherals connected to two APB buses.

A 12-bit ADC, two DACs, two ultra-low-power comparators, six general-purpose 16-bit timers, and two basic timers that can be used as time bases are all provided by each device.

Additionally, the STM32L100C6U6A device has up to two I2Cs and SPIs, three USARTs, and a USB, among other conventional and cutting-edge communication interfaces.

A real-time clock with sub-second counting and a group of backup registers that are powered when in Standby mode is also included.

The integrated LCD controller also includes a built-in LCD voltage generator that enables it to run up to 8 multiplexed LCDs with independent contrast from the supply voltage.

The STM32L100C6U6A device's ultra-low power supply ranges from 1.8 to 3.6 V. They are offered in the temperature range of -40 to +85 °C. The development of low-power applications is made possible by a wide range of power-saving modes.

STM32L100C6U6A Features

• Memories

– Up to 128 Kbytes of Flash memory with ECC

– Up to 16 Kbytes of RAM

– Up to 2 Kbytes of true EEPROM with ECC

– 20-byte backup register

• LCD Driver for up to 8x28 segments

– Support contrast adjustment

– Support blinking mode

– Step-up converter on board

• Rich analog peripherals (down to 1.8 V)

– 12-bit ADC 1 Msps up to 24 channels

– 12-bit DAC 2 channels with output buffers

– 2x ultra-low-power comparators (window mode and wakeup capability)

• DMA controller 7x channels

• 8x peripheral communication interfaces

– 1x USB 2.0 (internal 48 MHz PLL)

– 3x USART (ISO 7816, IrDA)

– 2x SPI 16 Mbit/s

– 2x I2C (SMBus/PMBus)

• 10x timers: 6x 16-bit with up to 4 IC/OC/PWM channels, 2x 16-bit basic timers, 2x watchdog timers (independent and window)

• CRC calculation unit

• Ultra-low-power platform

– 1.8 V to 3.6 V power supply

– -40°C to 85°C temperature range

– 0.28 μA Standby mode (2 wakeup pins)

– 1.11 μA Standby mode + RTC

– 0.44 μA Stop mode (16 wakeup lines)

– 1.38 μA Stop mode + RTC

– 10.9 μA Low-power Run mode

– 185 μA/MHz Run mode

– 10 nA ultra-low I/O leakage

– < 8 μs wakeup time

• Core: ARM? Cortex?-M3 32-bit CPU

– From 32 kHz up to 32 MHz max

– 1.25 DMIPS/MHz (Dhrystone 2.1)

– Memory protection unit

• Reset and supply management

– Ultra-safe, low-power BOR (brownout reset) with 5 selectable thresholds

– Ultra-low-power POR/PDR

– Programmable voltage detector (PVD)

• Clock sources

– 1 to 24 MHz crystal oscillator

– 32 kHz oscillator for RTC with calibration

– High Speed Internal 16 MHz

– Internal low-power 37 kHz RC

– Internal multispeed low-power 65 kHz to 4.2 MHz

– PLL for CPU clock and USB (48 MHz)

• Pre-programmed bootloader

– USART supported

• Development support

– Serial wire debug supported

– JTAG and trace supported

• Up to 51 fast I/Os (42 I/Os 5V tolerant), all mappable on 16 external interrupt vectors

STM32L100C6U6A Applications

• PC peripherals, gaming, GPS and sport equipment

• Alarm systems, Wired and wireless sensors, Video intercom

• Utility metering

• Medical and handheld equipment

• Application control and user interface