MX93021

The MX93021 is an engine chip for Digital-Answering-Machine.

The MX93021 provides functional modules, including speech compression/decompression, telephone line signal processing, ROM voice prompt, ARAM management.

Controlled by host, the MX93021 provides the interface with host , memory , and codec, etc.

The MX93021 is especially suitable for cordless answering phone or the FAX built-in answering machine function because the MX93021 supports extend I/O space so as to reduce the overhead of the host processor.