M48T86PC1(2007) View Datasheet(PDF) - STMicroelectronics
Part Name
Description
Manufacturer
M48T86PC1 Datasheet PDF : 36 Pages
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M48T86
Figure 8. Address map
0
00
14
BYTES
CLOCK AND CONTROL
STATUS REGISTERS
13
0D
14
0E
114
BYTES
STORAGE REGISTERS
127
7F
Table 3. Time, calendar, and alarm formats
Address
RTC Bytes
0
Seconds
1
Seconds alarm
2
Minutes
3
Minutes alarm
Hours, 12-hrs
4
Hours, 24-hrs
Hours alarm, 12-hrs
5
Hours alarm, 24-hrs
6
Day of week (1 = Sun)
7
Day of month
8
Month
9
Year
Decimal
0-59
0-59
0-59
0-59
1-12
0-23
1-12
0-23
1-7
1-31
1-12
0-99
Clock operations
0
SECONDS
1
SECONDS ALARM
2
MINUTES
3
MINUTES ALARM
4
HOURS
5
HOURS ALARM
6
DAY OF WEEK
7
DATE OF MONTH
8
MONTH
9
YEAR
10
REGISTER A
11
REGISTER B
12
REGISTER C
13
REGISTER D
BCD OR
BINARY
FORMAT
Range
Binary
00-3B
00-3B
00-3B
00-3B
01-0C AM
81-8C PM
00-17
01-0C AM
81-8C PM
00-17
01-07
01-1F
01-0C
00-63
AI01650
BCD
00-59
00-59
00-59
00-59
01-12 AM
81-92 PM
00-23
01-12 AM
81-92 PM
00-23
01-07
01-31
01-12
00-99
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