PCA8565 데이터 시트보기 (PDF) - NXP Semiconductors.
부품명
상세내역
제조사
PCA8565 Datasheet PDF : 39 Pages
| |||
NXP Semiconductors
PCA8565
Real time clock/calendar
Table 9. Seconds coded in BCD format
Seconds value in Upper-digit (ten’s place)
decimal
Bit 6
Bit 5
Bit 4
00
0
0
0
01
0
0
0
02
0
0
0
:
09
0
0
0
10
0
0
1
:
58
1
0
1
59
1
0
1
Digit (unit place)
Bit 3
Bit 2
0
0
0
0
0
0
Bit 1
0
0
1
1
0
0
0
0
0
1
0
0
1
0
0
Bit 0
0
1
0
1
0
0
1
Table 10. Register Minutes (address 03h) bits description
Bit Symbol Value Place value Description
7
-
-
-
unused
6 to 4 MINUTES 0 to 5[1] ten’s place actual minutes coded in BCD format
3 to 0
0 to 9[1] unit place
[1] Values shown in decimal.
Table 11. Register Hours (address 04h) bits description
Bit Symbol Value Place value Description
7 to 6 -
-
-
unused
5 to 4 HOURS 0 to 2[1] ten’s place actual hours coded in BCD format
3 to 0
0 to 9[1] unit place
[1] Values shown in decimal.
Table 12. Register Days (address 05h) bits description
Bit Symbol Value Place value Description
7 to 6 -
-
-
unused
5 to 4 DAYS[1] 0 to 3[2] ten’s place actual day coded in BCD format
3 to 0
0 to 9[2] unit place
[1] The PCA8565 compensates for leap years by adding a 29th day to February if the year counter contains a
value which is exactly divisible by 4, including the year 00.
[2] Values shown in decimal.
Table 13. Register Weekdays (address 06h) bits description
Bit Symbol
Value Description
7 to 3 -
-
unused
2 to 0 WEEKDAYS
0 to 6[1] actual weekday values, see Table 14
[1] Values shown in decimal.
PCA8565_2
Product data sheet
Rev. 02 — 16 June 2009
© NXP B.V. 2009. All rights reserved.
9 of 39
Share Link: 