Datasheet

DS2781
27 of 31
Table 4. Function Commands
COMMAND DESCRIPTION
COMMAND
PROTOCOL
BUS STATE
AFTER COMMAND
PROTOCOL
BUS DATA
Read Data
Reads data from
memory starting at
address XX
69h, XX Master Rx
Up to 256 bytes of
data
Write Data
Writes data to
memory starting at
address XX
6Ch, XX Master Tx
Up to 256 bytes of
data
Copy Data
Copies shadow
RAM data to
EEPROM block
containing
address XX
48h, XX Master Reset None
Recall Data
Recalls EEPROM
block containing
address XX to
RAM
B8h, XX Master Reset None
Lock
Permanently locks
the block of
EEPROM
containing
address XX
6Ah, XX Master Reset None