Datasheet

11
bq2014
Symbol
Register
Name
Loc.
(hex)
Read/
Write
Control Field
7(MSB) 6543210(LSB)
CMDR
Command
register
00h Write W/R
AD6 AD5 AD4 AD3 AD2 AD1 AD0
FLGS1
Primary
status flags
register
01h Read CHGS BRP BRM CI VDQ n/u EDV1 EDVF
TMPGG
Temperature
and gas gauge
register
02h Read TMP3 TMP2 TMP1 TMP0 GG3 GG2 GG1 GG0
NACH
Nominal
available
charge high
byte register
03h R/W NACH7 NACH6 NACH5 NACH4 NACH3 NACH2 NACH1 NACH0
NACL
Nominal
available
charge low
byte register
17h Read NACL7 NACL6 NACL5 NACL4 NACL3 NACL2 NACL1 NACL0
BATID
Battery
identification
register
04h R/W BATID7 BATID6 BATID5 BATID4 BATID3 BATID2 BATID1 BATID0
LMD
Last meas-
ured dis-
charge regis-
ter
05h R/W LMD7 LMD6 LMD5 LMD4 LMD3 LMD2 LMD1 LMD0
FLGS2
Secondary
status flags
register
06h Read CR DR2 DR1 DR0 n/u n/u n/u OVLD
PPD
Program pin
pull-down
register
07h Read n/u n/u PPD6 PPD5 PPD4 PPD3 PPD2 PPD1
PPU
Program pin
pull-up regis
-
ter
08h Read n/u n/u PPU6 PPU5 PPU4 PPU3 PPU2 PPU1
CPI
Capacity
inaccurate
count register
09h Read CPI7 CPI6 CPI5 CPI4 CPI3 CPI2 CPI1 CPI0
DMF
Digital mag
-
nitude filter
register
0Ah R/W DMF7 DMF6 DMF5 DMF4 DMF3 DMF2 DMF1 DMF0
VSB
Battery
voltage
0Bh Read VSB7 VSB6 VSB5 VSB4 VSB3 VSB2 VSB1 VSB0
VTS
End-of-
discharge
threshold se
-
lect
0Ch R/W VTS7 VTS6 VTS5 VTS4 VTS3 VTS2 VTS1 VTS0
RST Reset register 39h Write RST 0000000
Note: n/u = not used
Table 6. bq2014 Command and Status Registers