參數(shù)資料
型號: S-35390A-T8T1
元件分類: 時鐘/數(shù)據(jù)恢復(fù)及定時提取
英文描述: REAL TIME CLOCK, PDSO8
封裝: TSSOP-8
文件頁數(shù): 2/48頁
文件大?。?/td> 542K
代理商: S-35390A-T8T1
2-WIRE REAL-TIME CLOCK
S-35390A
Rev.1.2_00
Seiko Instruments Inc.
10
Register Configuration
1. Real-time data register
The real-time data register is a 56-bit register that stores the BCD code of the year, month, day, day of
week, hour, minute, and second data. Any read/write operation performed by the real-time data access
command transmits or receives the data from the LSB which is the first digit of the year.
Year data (00 to 99)
Month data (01 to 12)
Day data (01 to 31)
Day of week data (00 to 06)
A septenary counter. Set it so that it corresponds
to the day of the week.
Hour data (00 to 23 or 00 to 11)
Minute data (00 to 59)
Second data (00 to 59)
AM/PM
For a 12-hour expression, write 0 and 1 for AM
and PM, respectively.
For a 24-hour expression, either 0 or 1 can be
written. 0 is read when the hour data is from 00
to 11, and 1 is read when from 12 to 23.
Sets the lower two digits of the Western Calendar
Year (00 to 99) and links together with the auto
calendar feature until 2099.
The count value is automatically changed by the
auto calendar feature.
1 to 31: 31-day months (1, 3, 5, 7, 8, 10, 12)
1 to 30: 30-day months (4, 6, 9, 11)
1 to 29: Feb. (leap year)
1 to 28: Feb. (common year)
Y80
Y40
Y20
Y10
Y8
Y4
Y2
Y1
MSB
LSB
0
M10
M8
M4
M2
M1
MSB
LSB
0
D20
D10
D8
D4
D2
D1
MSB
LSB
0
W4
W2
W1
MSB
LSB
0
H20
H10
H8
H4
H2
H1
MSB
LSB
0
MSB
LSB
s40
s20
s10
s8
s4
s2
s1
MSB
LSB
m10
m8
m4
m2
m1
m20
m40
AM/
PM
0
Figure 8 Real-time Data Register
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