JAJSG16 August 2018 PGA305
PRODUCTION DATA.
FIELD LOCATION | DESCRIPTION | BIT 7 | BIT 6 | BIT 5 | BIT 4 | BIT 3 | BIT 2 | BIT 1 | BIT 0 |
---|---|---|---|---|---|---|---|---|---|
Command field | Basic write command | 0 | P2 | P1 | P0 | 0 | 0 | 0 | 1 |
Data field 1 | Destination address | A7 | A6 | A5 | A4 | A3 | A2 | A1 | A0 |
Data field 2 | Data byte to be written | D7 | D6 | D5 | D4 | D3 | D2 | D1 | D0 |
The P2, P1, and P0 bits in the command field determine the memory page that is being accessed by the OWI. The memory page decode is shown in Table 4.
P2 | P1 | P0 | MEMORY PAGE |
---|---|---|---|
0 | 0 | 0 | Reserved |
0 | 0 | 1 | Reserved |
0 | 1 | 0 | Control and status registers, DI_PAGE_ADDRESS = 0x02 |
0 | 1 | 1 | Reserved |
1 | 0 | 0 | Reserved |
1 | 0 | 1 | EEPROM cache |
1 | 1 | 0 | Reserved |
1 | 1 | 1 | Control and status registers, DI_PAGE_ADDRESS = 0x07 |