RF5C62 Просмотр технического описания (PDF) - RICOH Co.,Ltd.
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RF5C62 Datasheet PDF : 48 Pages
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RP/RF/RS5C62
24-hour time scale 12-hour time scale 12-hour time scale 24-hour time scale
00
12 (AM12)
01
01 (AM 1)
02
02 (AM 2)
03
03 (AM 3)
04
04 (AM 4)
05
05 (AM 5)
06
06 (AM 6)
07
07 (AM 7)
08
08 (AM 8)
09
09 (AM 9)
10
10 (AM10)
11
11 (AM11)
12
32 (PM12)
13
21 (PM 1)
14
22 (PM 2)
15
23 (PM 3)
16
24 (PM 4)
17
25 (PM 5)
18
26 (PM 6)
19
27 (PM 7)
20
28 (PM 8)
21
29 (PM 9)
22
30 (PM10)
23
31 (PM11)
*4) The 12-hour or 24-hour time scale must be selected before time of day adjustment or alarm time setting
(e.g. at the time of initialization after power-on from 0V)
2.8 Leap Year Indication Register (BANK1 at “Bh”)
D3
D2
D1
D0
**1
LYE
*
*
(For write operation)
0
LYE
LY1
LY0 (For read operation)
Leap year indication bits (intended for only read operation) *2
(LY1,LY0)
Function
(0,0)
Specifies leap year indication (including February 29) (when
the LYE bit is set to “0”.
Any other value Specifies normal year indication (not including February 29).
Leap year indication selection bit *3,4
LYE
Function
0
Enables leap year indication.
1
Disables leap year indication.
* * 1) The bits marked with “ ” are not intended for write operation.
*2) The LY1 and LY0 bits cycle from “00” via “01” and “10” to “11” with the passage of years.
*3) Upon setting the LYE bit to “0”, automatic correction is made for leap years in the years 1901 to 2099 (e.g. 1992, 1996, and 2000).
Upon setting the LYE bit to “1”, leap year indication is disabled (counting up to February 28).
*4) Writing to the 1-year or 10-year counter enables leap year indication (sets the LYE bit to “0”).
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