BQ28Z560-R1 datasheet(28/60 Pages) TI1

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bq28z560-R1

SLUSBD3 – APRIL 2013

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EXTENDED DATA COMMANDS

Extended commands offer additional functionality beyond the standard set of commands. They are used in the

same manner; however, unlike standard commands, extended commands are not limited to 2-byte words. The

number of command bytes for a given extended command ranges in size from single to multiple bytes, as

specified in Table 8. For details on the SEALED and UNSEALED states, see ACCESS MODES.

Table 8. Extended Commands

SEALED

UNSEALED

NAME

COMMAND CODE

UNITS

ACCESS(1) (2)

Reserved

RSVD

0x38…0x39

N/A

PackConfig()

PCR

0x3A / 0x3B

HEX#

DesignCapacity()

DCAP

0x3C / 0x3D

mAh

DataFlashClass() (2)

DFCLS

0x3E

N/A

R/W

DataFlashBlock() (2)

DFBLK

0x3F

N/A

R/W

BlockData() / Authenticate()(3)

A/DF

0x40…0x53

N/A

R/W

BlockData() / AuthenticateCheckSum() (3)

ACKS/DFD

0x54

N/A

R/W

BlockData()

DFD

0x55…0x5F

N/A

R/W

BlockDataCheckSum()

DFDCKS

0x60

N/A

R/W

BlockDataControl()

DFDCNTL

0x61

N/A

R/W

Reserved

RSVD

0x62...0x69

N/A

BatAlertConfig()

BAC

0x6A/0x6B

N/A

R/W

BatAlertStatus()

BAS

0x6C/0x6D

N/A

R/W

Reserved

RSVD

0x6E...0x7F

N/A

(1)

SEALED and UNSEALED states are entered via commands to Control() 0x00/0x01.

(2)

In SEALED mode, data flash CANNOT be accessed through commands 0x3E and 0x3F.

(3)

The BlockData() command area shares functionality for accessing general data flash and for using Authentication. See

AUTHENTICATION for details.

PackConfig(): 0x3A/0x3B

SEALED and UNSEALED Access: This command returns the value stored in Pack Configuration, which is

expressed in hex value.

DesignCapacity(): 0x3C/0x3D

SEALED and UNSEALED Access: This command returns the value stored in Design Capacity, which is

expressed in mAh. This is intended to be the theoretical or nominal capacity of a new pack, but has no bearing

on the operation of the gas gauge functionality.

DataFlashClass(): 0x3E

This command sets the data flash class to be accessed. The class to be accessed should be entered in

hexadecimal.

SEALED Access: This command is not available in SEALED mode.

DataFlashBlock(): 0x3F

UNSEALED Access: This command sets the data flash block to be accessed. When 0x00 is written to

BlockDataControl(), DataFlashBlock() holds the block number of the data flash to be read or written. Example:

writing a 0x00 to DataFlashBlock() specifies access to the first 32-byte block, and a 0x01 specifies access to the

second 32-byte block, and so on.

Reading Device Name in UNSEALED Mode

To read the DeviceName in UNSEALED mode, set the BlockDataControl() (command 0x61) to a 1. This is

similar to how the manufacturer information block works. Since the Device Name is 20 bytes, the device name

will be followed by null bytes.

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