MAX6902 查看數據表（PDF） - Maxim Integrated
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MAX6902 Datasheet PDF : 20 Pages
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SPI-Compatible RTC in a TDFN
FUNCTION
REGISTER ADDRESS
A7 A6 A5 A4 A3 A2 A1 A0
VALUE
REGISTER DEFINITION
D7 D6 D5 D4 D3 D2 D1 D0
ALARM
CONFIG
RD 0
0
1
0
1
0
1
/W
RESERVED RD 0 0 1 0 1 1 1
Do not write /W
to this location.
ALARM
THRESHOLDS
SECONDS RD 0 0 1 1 0 0 1
/W
MINUTES RD 0 0 1 1 0 1 1
/W
HOURS RD 0 0 1 1 1 0 1
/W
DATE RD 0 0 1 1 1 1 1
/W
MONTH RD 0 1 0 0 0 0 1
/W
DAY RD 0 1 0 0 0 1 1
/W
YEAR RD 0 1 0 0 1 0 1
/W
CLOCK RD 0 1 1 1 1 1 1
BURST
/W
Figure 2. Register Address Definition (Sheet 2 of 3)
0
*POR STATE 0 0 0 0 0 0 0 0
0 0 00 011 1
*POR STATE 0 0 0 0 0 1 1 1
00-59
*POR STATE
0
10 SEC
1 SEC
0 1 1 1 11 1 1
00-59 0
10 MIN
1 MIN
*POR STATE 0 1 1 1 1 1 1 1
00-23
01-12
12/24
0
1/0
10 10
HR HR
A/P
0/1
1 HR
*POR STATE 1 0 1 1 1 1 1 1
01-28/29
01-30
01-31
*POR STATE
0 0 10 DATE
1 DATE
0 01 1 11 1 1
01-12
*POR STATE
0 0 0 10M
1 MONTH
0 00 1 11 1 1
01-07
*POR STATE
0 0 0 0 0 WEEK DAY
0 00 001 1 1
00-99
*POR STATE
10 YEAR
1 11
1 YEAR
11111
6 _______________________________________________________________________________________
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