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Rainbow Electronics DS2781 User Manual

Page 27

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DS2781: Two-Cell Standalone Fuel Gauge IC

27 of 30

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