at91rm3400 ATMEL Corporation, at91rm3400 Datasheet - Page 171

• Manufacturer Part Number: at91rm3400
• Description: Atmel Advanced At91 Arm Microcontroller
• Manufacturer: ATMEL Corporation

RTC Calendar Register
Name:
Access Type:
• CENT: Current Century
The range that can be set is 19 - 20 (BCD).
The lowest four bits encode the units. The higher bits encode the tens.
• YEAR: Current Year
The range that can be set is 00 - 99 (BCD).
The lowest four bits encode the units. The higher bits encode the tens.
• MONTH: Current Month
The range that can be set is 01 - 12 (BCD).
The lowest four bits encode the units. The higher bits encode the tens.
• DAY: Current Day
The range that can be set is 1 - 7 (BCD).
The coding of the number (which number represents which day) is user-defined as it has no effect on the date counter.
• DATE: Current Date
The range that can be set is 01 - 31 (BCD).
The lowest four bits encode the units. The higher bits encode the tens.
All non-significant bits read zero.
1790A–ATARM–11/03
31
23
15
–
–
7
RTC_CALR
Read/Write
DAY
30
22
14
–
6
29
21
13
5
28
20
12
4
YEAR
CENT
27
19
11
3
DATE
MONTH
26
18
10
2
AT91RM3400
25
17
9
1
24
16
8
0
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