參數(shù)資料
型號: S-35392A-I8T1U
元件分類: 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: HALOGEN FREE AND LEAD FREE, SNT-8
文件頁數(shù): 24/47頁
文件大?。?/td> 419K
代理商: S-35392A-I8T1U
2-WIRE REAL-TIME CLOCK
S-35392A
Rev.2.0_00
Seiko Instruments Inc.
30
(2)
Data Write in S-35392A
After detecting a start condition, S-35392A receives device code and command. The S-35392A enters the
Write-data mode by the Read/Write bit “0”. Input data from B7 to B0 in 1-byte. The S-35392A outputs an
acknowledgment signal (“L”) every moment that 1-byte data is input. After receiving the acknowledgment signal
which is for the last byte-data, input a stop condition to the S-35392A to finish access.
18
9
1
A
CK
0
1
0
ST
AR
T
SCL
SDA
B7
B0
A
CK
ST
OP
: Output from S-35392A
: Input from master device
0 0
R/W
1-byte data
Device code + command
Figure 32
Example of Data Write 1 (1-Byte Data Register)
18
9
1
A
CK
1
0
1
0
ST
AR
T
SCL
SDA
B7
B0
A
CK
ST
O
P
: Output from S-35392A
: Input from master device
1 0
R/W
A
CK
A
CK
27
36
B7
B0
B7
B0
3-byte data
Device code + command
Figure 33
Example of Data Read 2 (3-Byte Data Register)
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