I2C Configuration And Control Registers Map - Sferalabs Iono Pi Max Series User Manual

I2C Configuration and control registers map
FIRMWARE VERSION
ADDR
15 14 13
1
Register 1
Bit 7-0 MINOR: minor version of the installed firmware
Bit 15-8 MAJOR: major version of the installed firmware
MCU COMMANDS
ADDR
15 14 13
5
6
Register 5
Bit 15-8 KEY: set to 0x2a
Bit 7-0 CMD: command
1 = Execute a software MCU reset
2 = Restore factory default configuration
3 = Save current configuration to be retained across power cycles
Register 6
Result of last command written to register 5
Bit 8 OK: set to 1 when command successfully terminated
Bit 9 FAIL: set to 1 when command failed
Bit 10 FAIL: set to 1 when command being executed
Bit 11 FAIL: set to 1 when invalid values are written in command register
43
BYTE 1
12 11 10 9
MAJOR
BYTE 1
12 11 10 9
KEY
ERR BUSY FAIL
8 7 6 5
8 7 6 5
OK
BYTE 0
4 3 2 1
MINOR
BYTE 0
4 3 2 1
CMD
CMD
Iono Pi Max User Guide
R/W
0
R
R/W
0
W
R