參數資料
型號: RS5C317A
廠商: RICOH COMPANY LTD
元件分類: XO, clock
英文描述: ULTRA-COMPACT HIGH PERFORMANCE SERIAL REAL-TIME CLOCK ICs
中文描述: 0 TIMER(S), REAL TIME CLOCK, PDSO14
封裝: 0.65 MM PITCH, SSOP-14
文件頁數: 15/40頁
文件大?。?/td> 309K
代理商: RS5C317A
RS5C317A/B
11
2.2 Control Register 2 (at Fh)
D3
D2
D1
D0
12/24
TMR
BANK
TEST
12/24
TMR
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
Alarm register
Bank Selection Bit *
2
TMR
Description
0
1
Continuos timer operation
Resume timer operation after reset
Reset Bit for Timer Counter *
3
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 *
4
*
1) (TEST)
*
2) (BANK)
*
3) (TMR)
*
4) (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 Interrupt cycle register and Control register 1/2.
The period for timer output is set in the “Timer register”.
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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