Friday, September 14, 2012

Leaf Maple (leaf labs)

ARM Cortex-M3 microcontroller module with 72MHz PCB design and pinout compatible with Arduino. In addition, the software also provided a compiler that has the look and format of writing that is compatible with the arduino.

Specifications

  • MCU: STM32F103RBT6, a 32-bit ARM Cortex M3 microprocessor
  • Clock Speed: 72 MHz
  • 128 KB Flash and 20 KB SRAM
  • 43 digital I/O pins (GPIOs)
  • 15 PWM pins at 16 bit resolution
  • 15 analog input (ADC) pins at 12-bit resolution
  • 2 SPI peripherals
  • 2 I2C peripherals
  • 7 Channels of Direct Memory Access (DMA) (dma.h)
  • 3 USART (serial port) peripherals
  • One advanced and three general-purpose timers
  • Dedicated USB port for programming and communications
  • JTAG
  • Nested Vectored Interrupt Controller (NVIC) (including external interrupt on GPIOs)
  • Supplies up to 500 mA at 3.3 V, with separate 250 mA digital and analog regulators for low-noise analog performance
  • Open source, four layer design
  • Support for low power, sleep, and standby modes (<500 br="br"> Operating Voltage: 3.3 V
  • Input Voltage (recommended): 4 V — 12 V
  • Dimensions: 2.05″ × 2.1″