RS5C372A-E2 Просмотр технического описания (PDF) - RICOH Co.,Ltd.
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RS5C372A-E2 Datasheet PDF : 59 Pages
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RS5C372A/B
• Level mode
CTFG bit
INTRA or INTRB pins
(INTR pin for the RS5C372B)
Write 0 to CTFG
(Second count-up) (Second count-up)
Write 0 to CTFG
(Second count-up)
2.2 Control Register 2 (at internal address Fh)
D7
D6
D5
D4
D3
—
—
12/24
ADJ
CLEN
0
0
12/24
XSTP
CLEN
0
0
Undefined
1
0
D2
CTFG
CTFG
0
D1
AAFG
AAFG
0
D0
BAFG
BAFG
0
(For write operation)
(For read operation)
Default*
*) The default means read value when XSTP bit is set to “1” by starting up from 0V, or supply voltage drop, etc.
2.2-1 12/24
12/24-hour Time Display System Selection bit
12/24
Description
0
12-hour time display system (separate for mornings and afternoons)
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 12-hour time display system 24-hour time display system 12-hour time display system
00
12 (AM12)
12
32 (PM12)
01
01 (AM 1)
13
21 (PM 1)
02
02 (AM 2)
14
22 (PM 2)
03
03 (AM 3)
15
23 (PM 3)
04
04 (AM 4)
16
24 (PM 4)
05
05 (AM 5)
17
25 (PM 5)
06
06 (AM 6)
18
26 (PM 6)
07
07 (AM 7)
19
27 (PM 7)
08
08 (AM 8)
20
28 (PM 8)
09
09 (AM 9)
21
29 (PM 9)
10
10 (AM10)
22
30 (PM10)
11
11 (AM11)
23
31 (PM11)
*) Either the 12-hour or 24-hour time display system should be selected before writing time data.
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