GM7121-D with Codec ICs LQFP-44 RoHS is a highly integrated device that combines a high-performance audio signal processing codec (AKM Semiconductor AK5645A or Wolfson Microelectronics WM8524G) and a power management unit (PMU) in a single chip. The device is compliant with RoHS 6 directive, the PMU supports USB charging and the device supports digital stereo audio, voice, and audio-input/output. It is manufactured by CORPRO, a well-established company that specializes in high-reliability integrated circuits and providing solutions for embedded systems.