參數(shù)資料
型號(hào)： S-3531AECA-TB-01
元件分類(lèi)： 時(shí)鐘/數(shù)據(jù)恢復(fù)及定時(shí)提取
英文描述： REAL TIME CLOCK, UUC8
封裝： DIE-8
文件頁(yè)數(shù)： 4/29頁(yè)
文件大?。?/td> 236K
代理商： S-3531AECA-TB-01
REAL-TIME CLOCK
S-3531A
Seiko Instruments Inc.
11
2-3. Alarm time/Frequency duty setting register
There are two types of alarm time/frequency duty setting registers, sixteen-bit registers, which set
alarm time or frequency duty. They are switched by INT1AE or INT1FE register. AM/PM flag to
be set must be in accordance with 12-hour or 24-hour expression. If AM/PM flag is not rightly then
set hour data is not met to alarm data. The alarm time/frequency duty setting register is a write-
only register.
(1) When INT1AE = 1
AM/
PM
0
H8
H4
H2
H1
MSB
LSB
0
m8
m4
m2
m1
MSB
LSB
H20
H10
m10
m20
m40
INT1 register
Figure 11 INT1 register (alarm)
INT1 register is considered as alarm time data. Having the same configuration as the time and
minutes registers of real-time data register configuration, it represents hours and minutes with
BCD codes. When setting them, do not set any none-existent day. Data to be set must be in
accordance with 12-hour or 24-hour expression that is set at the status register.
(2) When INT1FE = 1
INT1 register is considered as frequency duty data. By turning each bit of the registers to "1," a
frequency corresponding to each bit is chosen in an ANDed form.
f0
MSB
LSB
INT1 register
MSB
LSB
f1
f2
f3
f4
f5
f6
f7
f8
f9
f10
f11
f12
f13
f14
f15
f0
32768 Hz
f4
2048 Hz
f8
128 Hz
f12
8 Hz
f1
16384 Hz
f5
1024 Hz
f9
64 Hz
f13
4 Hz
f2
8192 Hz
f6
512 Hz
f10
32 Hz
f14
2 Hz
f3
4096 Hz
f7
256 Hz
f11
16 Hz
f15
1 Hz
Figure 12 INT1 register (frequency duty)
相關(guān)PDF資料
PDF描述
S-35380A-T8T1G REAL TIME CLOCK, PDSO8
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