BQ2012_15 Datasheet, PDF (10/26 Pages) Texas Instruments – Gas Gauge IC With Slow-Charge Control

Not Recommended For New Designs
bq2012
Table 6. bq2012 Command and Status Registers
Register
Symbol Name
Loc.
(hex)
CMDR
Command
register
00h
Primary
FLGS1 status flags
01h
register
Temperature
TMPGG and gas gauge 02h
register
Nominal
NACH
available
charge high
03h
byte register
Nominal
NACL
available
charge low
17h
byte register
Battery
BATID identification 04h
register
LMD
Last meas-
ured dis-
charge regis-
05h
ter
Secondary
FLGS2 status flags
06h
register
PPD
Program pin
pull-down
07h
register
PPU
Program pin
pull-up regis- 08h
ter
Capacity
CPI
inaccurate
09h
count register
Digital mag-
DMF nitude filter 0ah
register
RST
Reset register 39h
Note:
n/u = not used
Read/
Write _{7(MSB) 6}
Write W/R AD6
5
AD5
Control Field
4
AD4
3
AD3
2
AD2
1
AD1
0(LSB)
AD0
Read CHGS BRP BRM CI VDQ CHG EDV1 EDVF
Read TMP3 TMP2 TMP1 TMP0 GG3 GG2 GG1 GG0
R/W NACH7 NACH6 NACH5 NACH4 NACH3 NACH2 NACH1 NACH0
Read NACL7 NACL6 NACL5 NACL4 NACL3 NACL2 NACL1 NACL0
R/W BATID7 BATID6 BATID5 BATID4 BATID3 BATID2 BATID1 BATID0
R/W LMD7 LMD6 LMD5 LMD4 LMD3 LMD2 LMD1 LMD0
Read CR DR2 DR1 DR0 n/u
n/u
n/u OVLD
Read n/u
n/u PPD6 PPD5 PPD4 PPD3 PPD2 PPD1
Read n/u
n/u PPU6 PPU5 PPU4 PPU3 PPU2 PPU1
Read CPI7 CPI6 CPI5 CPI4 CPI3 CPI2 CPI1 CPI0
R/W DMF7 DMF6 DMF5 DMF4 DMF3 DMF2 DMF1 DMF0
Write RST
0
0
0
0
0
0
0
10