ISD91200 Series Technical Reference Manual
Release Date: Sep 16, 2019
- 208 -
Revision 2.4
RTC Time Load Register (RTC_TIME)
This register is Read Only until access enable password is written to
RTC_RWEN
register. The register
returns the current time.
Register
Offset
R/W
Description
Reset Value
RTC_TIME
0x00C R/W
Time Load Register
0x0000_0000
23
22
21
20
19
18
17
16
Reserved
TENHR
HR
15
14
13
12
11
10
9
8
Reserved
TENMIN
MIN
7
6
5
4
3
2
1
0
Reserved
TENSEC
SEC
Table 5-81 RTC Time Load Register (RTC_TIME, address 0x4000_800C).
Bits
Description
[31:22]
Reserved
Reserved.
[21:20]
TENHR
10 Hour Time Digit (0~3)
[19:16]
HR
1 Hour Time Digit (0~9)
[15]
Reserved
Reserved.
[14:12]
TENMIN
10 Min Time Digit (0~5)
[11:8]
MIN
1 Min Time Digit (0~9)
[7]
Reserved
Reserved.
[6:4]
TENSEC
10 Sec Time Digit (0~5)
[3:0]
SEC
1 Sec Time Digit (0~9)
Note:
1.
RTC_TIME is a BCD counter and RTC will not check loaded data for validity.
2.
Valid range is listed in the parenthesis.