ISD91200 Series Technical Reference Manual
Release Date: Sep 16, 2019
- 209 -
Revision 2.4
RTC Calendar Load Register (RTC_CAL)
This register is Read Only until access enable password is written to
RTC_RWEN
register. The register
returns the current date.
Register
Offset
R/W
Description
Reset Value
RTC_CAL
0x010 R/W
Calendar Load Register
0x0000_0000
31
30
29
28
27
26
25
24
Reserved
23
22
21
20
19
18
17
16
TENYEAR
YEAR
15
14
13
12
11
10
9
8
Reserved
TENMON
MON
7
6
5
4
3
2
1
0
Reserved
TENDAY
DAY
Table 5-82 RTC Calendar Load Register (RTC_CAL, address 0x4000_80010).
Bits
Description
[31:24]
Reserved
Reserved.
[23:20]
TENYEAR
10-Year Calendar Digit (0~9)
[19:16]
YEAR
1-Year Calendar Digit (0~9)
[15:13]
Reserved
Reserved.
[12]
TENMON
10-Month Calendar Digit (0~1)
[11:8]
MON
1-Month Calendar Digit (0~9)
[7:6]
Reserved
Reserved.
[5:4]
TENDAY
10-Day Calendar Digit (0~3)
[3:0]
DAY
1-Day Calendar Digit (0~9)