MAX6901 查看數據表（PDF） - Maxim Integrated
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MAX6901 Datasheet PDF : 18 Pages
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3-Wire Serial RTC in a TDFN
Table 2. Register Address/Definition (continued)
REGISTER ADDRESS
FUNCTION A7 A6 A5 A4 A3 A2 A1 A0
VALUE
REGISTER DEFINITION
D7 D6 D5 D4 D3 D2 D1 D0
ALARM
RD
CONFIG 1 0 0 1 0 1 0 /W
0
*POR STATE 0 0 0 0 0 0 0 0
RESERVED
Do not write
1
001
0 1 1 RD
/W
to this location.
ALARM
THRESHOLDS
SECOND
1001
RD
1 0 0 /W
0 0 00 0 11 1
*POR STATE 0 0 0 0 0 1 1 1
00-59
*POR STATE
0
10 SEC
0 11 1
1 SEC
1111
MINUTE
1001
RD
1 0 1 /W
HOUR
1001
RD
1 1 0 /W
DATE
1
001
RD
1 1 1 /W
00-59 0
10 MIN
1 MIN
*POR STATE 0 1 1 1 1 1 1 1
00-23
01-12
12/24
1/0
0
10
HR 10
A/P HR
0/1
1 HR
*POR STATE 1 0 1 1 1 1 1 1
01-28/29
01-30 0 0 10 DATE
01-31
1 DATE
*POR STATE 0 0 1 1 1 1 1 1
MONTH
1010
RD
0 0 0 /W
DAY
1010
RD
0 0 1 /W
YEAR
1
010
RD
0 1 0 /W
01-12 0 0 0 10 M
1 MONTH
*POR STATE 0 0 0 1 1 1 1 1
01-07 0 0 0 0 0 WEEKDAY
*POR STATE 0 0 0 0 0 1 1 1
00-99
10 YEAR
1 YEAR
*POR STATE 1 1 1 1 1 1 1 1
CLOCK
RD
BURST 1 0 1 1 1 1 1 /W
Note: *POR STATE defines power-on reset state of register content.
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