Hi!
I found only this info:
A2C44458 is a QFN-56 package from Texas Instruments. It is a low-power, low-voltage, high-performance, 8-bit microcontroller with integrated Flash memory. It is designed for use in embedded applications such as automotive, industrial, and consumer applications. It features an enhanced 8051 core, up to 16KB of Flash memory, up to 4KB of RAM, up to 32 I/O pins, up to 4 UARTs, and up to 4 timers. It also features an integrated 8-channel 10-bit A/D converter, an integrated SPI, and an integrated I2C interface. It is suitable for applications requiring low power consumption, low cost, and high performance.