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)： 28/29頁(yè)
文件大小： 236K
代理商： S-3531AECA-TB-01
REAL-TIME CLOCK
S-3531A
Seiko Instruments Inc.
7
1-7. Data writing
After a start condition is detected from the outside, the device code and command are received.
At this point, the real-time data writing mode or other register writing mode is entered when the
read/write bit is "0". Data must be entered in the order from LSB of the real-time data writing
mode or status register writing mode.
In real-time data writing, the counter of a calender and time is reset when the ACK signal rises
following the real-time writing command, and any update operation is disabled. After a minute
data is received, the end of a month is corrected while a second data is imported. Then, the count-
up is started when the ACK signal rises after the second data is received.
(1) Real-time data writing 1
S
T
A
R
T
0
1 1
0
W
R
I
T
E
S
T
O
P
DEVICE
ADDRESS
R
/
W
M
S
B
SDA LINE
0
1 0
A
C
K
L
S
B
A
C
K
A
C
K
0
Command
Real-time data
access 1 command
Year data
L
S
B
M
S
B
L
S
B
M
S
B
Second data
(2) Real-time data writing 2
S
T
A
R
T
0
1 1
0
S
T
O
P
DEVICE
ADDRESS
R
/
W
M
S
B
SDA LINE
0
1 1
A
C
K
L
S
B
A
C
K
A
C
K
0
Command
Real-time data
access 2 command
Hour data
L
S
B
M
S
B
L
S
B
M
S
B
Second data
W
R
I
T
E
(3) Status register writing
S
T
A
R
T
0
1 1
0
DEVICE
ADDRESS
R
/
W
M
S
B
SDA LINE
0
1
A
C
K
L
S
B
A
C
K
0
Command
Status register
access command
Status data
L
S
B
M
S
B
0
S
T
O
P
W
R
I
T
E
Figure 8 Write communication
相關(guān)PDF資料
PDF描述
S-35380A-T8T1G REAL TIME CLOCK, PDSO8
S-35380A-J8T1G REAL TIME CLOCK, PDSO8
S-35390A-I8T1-G 1 TIMER(S), REAL TIME CLOCK, PDSO8
S-35390A-J8T1G 1 TIMER(S), REAL TIME CLOCK, PDSO8
S-35390A-T8T1 REAL TIME CLOCK, PDSO8
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