Maple’s Technical Specifications — Maple v0.0.9 Documentation

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# Maple’s Technical Specifications

> - STM32 F103RB: a 32-bit ARM Cortex M3 microprocessor
> - Clock Speed: 72 MHz
> - Operating Voltage: 3.3V
> - Input Voltage (recommended): 3.0V-12V
> - 39 Digital I/O Pins (GPIO)
> - 16 Analog Input Pins
> - 12-bit ADC resolution (ADC)
> - 15 PWM pins at 16-bit resolution (PWM)
> - Dedicated USB port for programming and communications (USB)
> - External JTAG interface (USB)
> - 128 Flash and 20KB SRAM
> - 64 Channel nested vector interrupt handler (including external interrupt on GPIO’s)
> - Integrated SPI (SPI)
> - Integrated I2C (I2C)
> - 7 Channels of Direct Memory Access (DMA)
> - 3 USART divices (USART)
> - Four 4-channel Timers (Timers)
> - Supplies up to 800mA @ 3.3v
> - Support for low power and sleep modes (<500uA)
> - Dimensions are 2.05″x2.1″

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