BQ32000 Datasheet, PDF (9/20 Pages) Texas Instruments – REAL-TIME CLOCK (RTC)

bq32000
www.ti.com................................................................................................................................................... SLUS900B – DECEMBER 2008 – REVISED JUNE 2009
Figure 5. I²C Read Mode
Register Maps
REGISTER
0
1
2
3
4
5
6
7
8
9
ADDRESS
(HEX)
0x00
0x01
0x02
0x03
0x04
0x05
0x06
0x07
0x08
0x09
REGISTER
20
21
22
ADDRESS
(HEX)
0x14
0x15
0x16
Figure 6. I²C Write Mode
Table 3. Normal Registers
REGISTER NAME
DESCRIPTION
SECONDS
MINUTES
CENT_HOURS
DAY
DATE
MONTH
YEARS
CAL_CFG1
TCH2
CFG2
Clock seconds and STOP bit
Clock minutes
Clock hours, century, and CENT_EN bit
Clock day
Clock date
Clock month
Clock years
Calibration and configuration
Trickle charge enable
Configuration 2
Table 4. Special Function Registers
REGISTER NAME
DESCRIPTION
SF KEY 1
SF KEY 2
SFR
Special function key 1
Special function key 2
Special function register
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