參數(shù)資料
型號: S-35399A03-J8T2U
元件分類: 時鐘/數(shù)據(jù)恢復及定時提取
英文描述: 1 TIMER(S), REAL TIME CLOCK, PDSO8
封裝: HALOGEN FREE AND LEAD FREE, SOP-8
文件頁數(shù): 32/53頁
文件大?。?/td> 472K
代理商: S-35399A03-J8T2U
2-WIRE REAL-TIME CLOCK
S-35399A03
Rev.2.0_00
Seiko Instruments Inc.
38
(8) Free register 2 access and free register 3 access
18
9
1
AC
K
0
1
0
ST
A
R
T
I/O mode switching
SCL
SDA
Free register
data
B7
B0
I/O mode switching
R/W
AC
K
*2
ST
O
P
*1
a b
Code +
command
*1.
To select register, use the following settings.
a
b
Register to select
0
1
Free register 2
1
0
Free register 3
*2.
Set NO_ACK = 1 in Read.
Figure 47 Free Register 2 Access and Free Register 3 Access
(9) Alarm expansion register 1 access and alarm expansion register 2 access
Write in the alarm expansion register 1 (alarm expansion register 2) after setting the status register 2.
36
9
1
AC
K
0
1
0
ST
AR
T
SCL
SDA
Year data
Second data
B7
B0
B7
B0
R/W
AC
K
*3
ST
O
P
1
AC
K
*2
AC
K
*2
I/O mode switching
*1
Month data
B7
B0
Code +
command
18
27
*1.
0 : Alarm expansion register 1 access, 1 : Alarm expansion register 2 access
*2.
Transmit ACK = 0 from the master device to the S-35399A03 in Read.
*3.
Set NO_ACK = 1 in Read.
Figure 48 Alarm Expansion Register 1 Access and Alarm Expansion Register 2 Access
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