參數(shù)資料
型號(hào): S-35399A03-J8T2G
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: 1 TIMER(S), REAL TIME CLOCK, PDSO8
封裝: LEAD FREE, SOP-8
文件頁(yè)數(shù): 13/53頁(yè)
文件大小: 472K
代理商: S-35399A03-J8T2G
2-WIRE REAL-TIME CLOCK
S-35399A03
Rev.2.0_00
Seiko Instruments Inc.
20
Register Statuses After Initialization
The status of each register after initialization is as follows.
Real-time data register :
00 (Y), 01 (M), 01 (D), 0 (day of the week), 00 (H), 00 (M), 00 (S)
Status register 1 :
“0 B6 B5 B4 0 0 0 0 b”
(In B6, B5, B4, the data of B6, B5, B6 in the status register 1 at initialization is set.
Refer to Figure 21.)
Status register 2 :
“00h”
INT1 register :
“00h”
INT2 register :
“00h”
Clock correction register :
“00h”
Free register 1 :
“00h”
Free register 2 :
“00h”
Free register 3 :
“00h”
Up counter :
Is not initialized and continues counting.
Alarm expansion register 1 :
“00h”
Alarm expansion register 2 :
“00h”
18
9
1
0
1
0
ST
AR
T
SCL
SDA
Code + command
ST
O
P
0 0
B7 B5
0
0 0
0
1
18
9
1
0
1
0
ST
AR
T
ST
O
P
0 1
B7 B5 : Not reset
L
L L
L
H
0
Write to status register 1
Read from status register 1
A
CK
A
CK
A
CK
NO_ACK
: Output from S-35399A03
: Input from master device
R/W
Code + comman
Write “1” to reset flag and SC0.
Figure 21 Data of Status Register 1 at Initialization
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