RAM is modified in the following steps:
- Enter FULL ACCESS mode
- Verify FULL ACCESS mode by reading 0x12 Battery Status[SEC1, SEC0] to observe 0x01
- Enter Config Update Mode by sending the 0x0090 ENTER_CFG_UPDATE() subcommand
- Modify RAM registers as desired
- Exit Config Update by sending subcommand 0x0092
- Read modified registers to confirm changes