STMicroelectronics STM32F101RG

The STMicroelectronics STM32F101RG is an ARM 32-bit Cortex-M3 Microcontroller, 36MHz, 1MB Flash, 80kB SRAM, PLL, Embedded Internal RC 8MHz and 40kHz, Real-Time Clock, Nested Interrupt Controller, Power Saving Modes, JTAG and SWD, 4 Synch. 16-bit Timers with Input Capture, Output Compare and PWM, 2 16-bit Advanced Timer, 2 16-bit Basic Timer, 2 16-bit Watchdog Timers, SysTick Timer, 3 SPI/I2S, 2 I2C, 5 USART, 2 12-bit 16-ch A/D Converter, 2 12-bit D/A Converter, SDIO, Fast I/O Ports.