bq20z80-V101
www.ti.com
SLUS625D–SEPTEMBER 2004–REVISED OCTOBER 2005
SerialNumber( ) (0x1c)
This read-word function is used to return an unsigned integer serial number. The default value of
SBS.SerialNumber( ) is in DF:Serial Number.
When SBS.OperationStatus( ) [SS] = 0 then this function is R/W.
NAME
CLASS / SUBCLASS
FORMAT
VALID RANGE
SIZE (BYTES)
UNITS
DEFAULT VALUE
Serial Number
SBS Configuration / Data (48)
Hex
0x0000 to 0xffff
2
N/A
0
ManufacturerName( ) (0x20)
This read-block function returns a character string containing the battery manufacturer's name with a maximum
length of 11 characters (11 data + length byte).
The default setting of SBS.ManufacturerName( ) is in DF:Manuf Name. When the bq20z80 is in unsealed or
higher security mode, this block is R/W.
NAME
CLASS / SUBCLASS
FORMAT
VALID RANGE
SIZE (BYTES)
UNITS
DEFAULT VALUE
Manuf Name SBS Configuration / Data (48)
Hex
N/A
11
N/A
Texas Inst.
DeviceName( ) (0x21)
This read-block function returns a character string that contains the battery name with a maximum length of 7
characters (7 data + length byte).
The default setting of SBS.DeviceName( ) is in DF:Device Name. When the bq20z80 is in Unsealed or higher
security mode, this block is R/W.
NAME
CLASS / SUBCLASS
FORMAT
VALID RANGE
SIZE (BYTES)
UNITS
DEFAULT VALUE
Device Name
SBS Configuration / Data (48)
Hex
N/A
7
N/A
bq20z80
DeviceChemistry( ) (0x22)
This read-block function returns a character string that contains the battery chemistry with a maximum length of 4
characters (4 data + length byte).
The default setting of SBS.DeviceChemistry( ) is in DF:Device Chemistry although it has no use for internal
charge control or fuel gauging. When the bq20z80 is in Unsealed or higher security mode, this block is R/W.
NAME
CLASS / SUBCLASS
FORMAT
VALID RANGE
SIZE (BYTES)
UNITS
DEFAULT VALUE
Device Chemistry
SBS Configuration / Data (48)
Hex
N/A
4
mV
LION
ManufacturerData( ) (0x23)
This read-block function returns several configuration data flash elements with an absolute maximum length of
14 Data + 1 length byte (stored in Manufacturer Data Length). The Manufacturing data elements shown below
are stored in the Manufacturer Data (56) subclass of the System Data class. When the bq20z80 is in Unsealed
or higher security mode, this block is R/W.
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