BQ2022 Description
The bq2022 is a 1K-bit serial EPROM containing a factory programmed unique 48-bit identification number, 8-bit CRC generation, and the 8-bit family code (09h). A 64-bit status register controls write protection and page redirection. The bq2022 SDQ interface (TI’s proprietary serial munications protocol) requires only a single connection and a ground return.