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STM32L100R8T6A

STM32L100R8T6A

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STM32L100R8T6A Overview

The ultra-low-power STM32L100C6 and STM32L100R8/RB devices incorporate the connectivity power of the universal serial bus (USB) with the high-performance ARM® Cortex®-M3 32-bit RISC core operating at a frequency of 32 MHz (33.3 DMIPS), a memory protection unit (MPU), high-speed embedded memories (Flash memory up to 128 Kbytes and RAM up to 10 Kbytes) and an extensive range of enhanced I/Os and peripherals connected to two APB buses.

All the devices offer a 12-bit ADC, 2 DACs and 2 ultra-low-power comparators, six general-purpose 16-bit timers and two basic timers, which can be used as time bases.
Moreover, the STM32L100C6 and STM32L100R8/RB devices contain standard and advanced communication interfaces: up to two I2Cs and SPIs, three USARTs and a USB.
They also include a real-time clock with sub-second counting and a set of backup registers that remain powered in Standby mode.
Finally, the integrated LCD controller has a built-in LCD voltage generator that allows to drive up to 8 multiplexed LCDs with contrast independent of the supply voltage.
The ultra-low-power STM32L100C6 and STM32L100R8/RB devices operate from a 1.8 to 3.6 V power supply. They are available in the -40 to +85 °C temperature range. A comprehensive set of power-saving modes allows the design of low-power applications.

ECAD Model

Symbol

STM32L100R8T6A

Footprint

STM32L100R8T6A

Features

  • 1.8 V to 3.6 V power supply
  • -40°C to 85°C temperature range
  • 0.3 μA Standby mode (2 wakeup pins)
  • 0.9 μA Standby mode + RTC
  • 0.57 μA Stop mode (16 wakeup lines)
  • 1.2 μA Stop mode + RTC
  • 9 μA Low-power run mode
  • 214 μA/MHz Run mode
  • 10 nA ultra-low I/O leakage
  • < 8 μs wakeup time
  • Core: 32-bit ARM Cortex-M3 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 supported
  • Up to 51 fast I/Os (42 I/Os 5V tolerant), all mappable on 16 external interrupt vectors
  • Memories
    • Up to 128 Kbytes of Flash memory with ECC
    • Up to 10 Kbytes of RAM
    • Up to 2 Kbytes of true EEPROM with ECC
    • 20-byte backup register

    • Applications

    STM32L1

    Specifications

    • Core Processor ARM Cortex M3

    • Speed 32MHz

    • Operating Temperature -40℃ ~ 85℃ (TA)

    • Program Memory Type FLASH

    • RAM Size 8K x 8

    • Number of I/O 51

    • Peripherals Brown-out Detect/Reset, DMA, LCD, POR, PWM, WDT

    • Mounting Type Surface Mount

    • Oscillator Type Internal

    • Supplier Device Package 64-LQFP (10x10)

    • EEPROM Size 2K x 8

    • Package / Case 64-LQFP

    • Core Size 32-Bit

    • Connectivity I2C, SPI, UART/USART, USB

    • Program Memory Size 64KB (64K x 8)

    • Data Converters A/D 20x12b; D/A 2x12b

    • Voltage - Supply (Vcc/Vdd) 1.8V ~ 3.6V

    Circuit Diagram

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