ACE5372_14 Datasheet, PDF (12/31 Pages) ACE Technology Co., LTD. – Low Power Real-Time Clock (RTC)

 Level mode
ACE5372
Low Power Real-Time Clock (RTC)
7. Control Register 2 ( at internal address FH )
D7 D6
D5
D4
D3
D2 D1 D0 Operation
- - 12_/24 ADJ CLEN_ CTFG AAFG BAFG Write
0 0 12_/24 XSTP CLEN_ CTFG AAFG BAFG Read
0 0 Undefined 1
0
0
0
0
Default
*The default means read value when XSTP bit is set to “1” by starting up from 0V, or supply voltage drop, etc.
12/24
12/24-hour Time Display System Selection bit
12/24
Description
0 12-hour time display system
1 24-hour time display system
Being set this bit at “0” indicates 12-hour display system while “1” indicates 24-hour system.
Time Display Digit Table
24-hour time display
system
00
01
02
03
04
05
06
07
08
09
10
11
12-hour time display
system
12(AM12)
01(AM1)
02(AM2)
03(AM3)
04(AM4)
05(AM5)
06(AM6)
07(AM7)
08(AM8)
09(AM9)
10(AM10)
11(AM11)
24-hour time display
system
12
13
14
15
16
17
18
19
20
21
22
23
12-hour time display
system
32(PM12)
21(PM1)
22(PM2)
23(PM3)
24(PM4)
25(PM5)
26(PM6)
27(PM7)
28(PM8)
29(PM9)
30(PM10)
31(PM11)
VER 1.4 12