ISD91200 Series Technical Reference Manual
Release Date: Sep 16, 2019
- 210 -
Revision 2.4
RTC Time Scale Selection Register (RTC_CLKFMT)
Register
Offset
R/W
Description
Reset Value
RTC_CLKFMT
0x014 R/W
Time Scale Selection Register
0x0000_0001
Table 5-83 RTC Time Scale Selection Register (RTC_CLKFMT, address 0x4000_8014).
7
6
5
4
3
2
1
0
Reserved
24HEN
Bits
Description
[31:1]
Reserved
Reserved.
[0]
24HEN
24-hour / 12-hour Mode Selection
Determines whether RTC_TIME and RTC_TALM are in 24-hour mode or 12-hour
mode
1 = select 24-hour time scale.
0 = select 12-hour time scale with AM and PM indication.
The range of 24-hour time scale is between 0 and 23.
12-hour time scale:
01(AM01), 02(AM02), 03(AM03), 04(AM04), 05(AM05), 06(AM06)
07(AM07), 08(AM08), 09(AM09), 10(AM10), 11(AM11), 12(AM12)
21(PM01), 22(PM02), 23(PM03), 24(PM04), 25(PM05), 26(PM06)
27(PM07), 28(PM08), 29(PM09), 30(PM10), 31(PM11), 32(PM12)