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參數(shù)資料
| 型號： | RS5C321B |
| 廠商： | RICOH COMPANY LTD |
| 元件分類： | XO, clock |
| 英文描述： | ULTRA-COMPACT SERIAL REAL-TIME CLOCK ICs WITH 32.768kHz |
| 中文描述： | 0 TIMER(S), REAL TIME CLOCK, PDSO8 |
| 封裝： | 0.65 MM PITCH, SSOP-8 |
| 文件頁數(shù)： | 14/33頁 |
| 文件大?。?/td> | 252K |
| 代理商： | RS5C321B |
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RS5C321A/B
10
2.2 Control Register 2 (at Fh)
D3
D2
D1
D0
12/24
0
BANK
TEST
12/24
—
BANK
TEST
(For write operation)
(For read operation)
Bit for Testing *
1
TEST
Description
0
1
Testing mode
Ordinary operation mode
BANK
Description
0
1
Clock/calendar counter
CLEN bit
Bank Selection Bit *
2
12/24
Description
0
1
12-hour time display system (separate for mornings and afternoons)
24-hour time display system
12/24-hour Time Display System Selection Bit *
3
*
1) (TEST)
*
2) (BANK)
*
3) (12/24)
Set the TEST bit to 1 in ordinary operation. TEST bit is set automatically to 1 when the CE pin is “L”.
There is no need to designate BANK bit for scratch register and Control register 1/2.
The 12/24 bit specifies time digit display in BCD code.
Either the 12-hour or 24-hour time display system should be selected before time setting.
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 (AM 1)
02 (AM 2)
03 (AM 3)
04 (AM 4)
05 (AM 5)
06 (AM 6)
07 (AM 7)
08 (AM 8)
09 (AM 9)
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 (PM 1)
22 (PM 2)
23 (PM 3)
24 (PM 4)
25 (PM 5)
26 (PM 6)
27 (PM 7)
28 (PM 8)
29 (PM 9)
30 (PM10)
31 (PM11)
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相關代理商/技術參數(shù) |
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| RS5C338A | 制造商:RICOH 制造商全稱:RICOH electronics devices division 功能描述:3-WIRE SERIAL INTERFACE REAL-TIME CLOCK ICs WITH VOLTAGE MONITORING FUNCTION |
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| RS5C348B | 制造商:RICOH 制造商全稱:RICOH electronics devices division 功能描述:4-WIRE SERIAL INTERFACE |
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