The HC89F3540 is an Other Processors and Microcontrollers (MCUs) LQFP-32 RoHS manufactured by Holychip. It is a 32-pin low-cost MCU with a 32-Bit ARM® Cortex™-M0 core operating at up to 48MHz allowing a wide range of high speed applications. It features numerous on-chip peripherals including: multi-channel ADC, 8-channel 12-bit PWM, 16-channel 16-bit Timer/Counter, UART, SPI, CAN, I²C, as well as large in-system programmable flash and RAM memory. It is suitable for use in industrial control systems, medical equipment, home automation, automotive applications and more.