參數(shù)資料
型號(hào): S-35L32AEFSG
元件分類: 時(shí)鐘/數(shù)據(jù)恢復(fù)及定時(shí)提取
英文描述: REAL TIME CLOCK, PDSO10
封裝: 0.50 MM PITCH, PLASTIC, SSOP-10
文件頁(yè)數(shù): 2/37頁(yè)
文件大?。?/td> 502K
代理商: S-35L32AEFSG
REAL-TIME CLOCK
S-35L32A
Rev.1.3_00
10
Seiko Instruments Inc.
Description of Operation
1. Serial interface
S-35L32A receives various commands through the I
2C-BUS-based serial interface to read/write data. The
method of I
2C-BUS-based transfer is described here.
1.1 Start condition
Changing the SDA line from “H” to “L” when the SCL line is “H” activates the start condition.
All the operations begin at the start condition.
1.2 Stop condition
Changing the SDA line from “L” to “H” when the SCL line is “H” activates the stop condition.
During a read sequence, any read operation is stopped and a device enters its stand-by mode when
a stop condition is received.
tSU. tSTA tHD. tSTA
tSU. tSTO
Start condition
Stop condition
SCL
SDA
Figure 6 Start/Stop condition
1.3 Data transfer
When the SDA line is changed while the SCL line is on “L”, data transfer is performed.
When the SDA line is changed while the SCL line is on “H”, a start or stop condition is recognized.
tSU, tDAT
tHD, tDAT
SCL
SDA
Figure 7 Data transfer timing
DISCONTINUED
PRODUCT
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