inThe HK32F103RET6 is a LQFP-64 RoHS MCU manufactured by HKin. It is a 32-bit RISC microcontroller with a maximum operating frequency of 72MHz. It has a 1MByte on-chip flash memory, 16KByte SRAM and is integrated with a number of communication peripherals. It features an I2C master, SPI, ISO7816, UART, IrDA and CAN interfaces. It also provides various embedded peripherals such as 10-bit A/D converter and multipliers. It has an integrated battery-aligned DC-DC and low voltage reset circuit for low power applications, and an integrated hardware multiplier for efficient 32-bit mathematics. The package is lead-free and RoHS compliant.