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參數資料
| 型號： | 935262403118 |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 時鐘/數據恢復及定時提取 |
| 英文描述： | 0 TIMER(S), REAL TIME CLOCK, PDSO8 |
| 封裝： | 3 MM, PLASTIC, TSSOP-8 |
| 文件頁數： | 32/32頁 |
| 文件大小： | 711K |
| 代理商： | 935262403118 |
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Philips Semiconductors
PCF8563
Real-time clock/calendar
Product specication
16 April 1999
9 of 30
9397 750 04855
Philips Electronics N.V. 1999. All rights reserved.
Table 15: Weekday assignments
Day
Bit 2
Bit 1
Bit 0
Sunday
0
Monday
0
1
Tuesday
0
1
0
Wednesday
0
1
Thursday
1
0
Friday
1
0
1
Saturday
1
0
Table 16: Months/Century register bits description (address 07H)
Bit
Symbol
Description
7
C
Century bit. C = 0; indicates the century is 20xx.
C = 1; indicates the century is 19xx. ‘xx’ indicates the value held in the
Years register; see Table 18.
This bit is toggled when the Years register overows from 99 to 00.
These bits may be re-assigned by the user.
6to5
not implemented
4 to 0
<months> These bits represents the current month value coded in BCD format;
value = 01 to 12; see Table 17.
Table 17: Month assignments
Month
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
January
00001
February
00010
March
00011
April
00100
May
00101
June
00110
July
00111
August
01000
September
01001
October
10000
November
10001
December
10010
Table 18: Years register bits description (address 08H)
Bit
Symbol
Description
7 to 0
<years>
This register represents the current year value coded in BCD
format; value = 00 to 99.
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