JM32M390 - 32-bit microcontroller
JM32M390 32 ARM® Cortex®-M0+ 32 ARM® Cortex® - M0+ 48MHz 64Kbytes flash 8Kbytes SRAM 4/8/16/22.
12/24MHz RC (HSI) 32.768KHz RC (LSI) 4~32MHz (HSE) 32.768KHz (LSE) PLL ( HSI HSE 2 ) : 1.7V~5.5V : Sleep Stop / (POR/PDR) (BOR) (PVD) (I/O) 30 I/O, 8mA 4 GPIO , 80mA/60mA/40mA/20mA <