參數(shù)資料
型號: S-3531A
廠商: Seiko Instruments Inc.
英文描述: CMOS Real-Time Clock IC Supporting an IIC-Bus(支持IIC-BUS的CMOS實時時鐘芯片)
中文描述: CMOS實時時鐘IC支持一個IIC總線(支持IIC總線的實時時鐘芯片的CMOS)
文件頁數(shù): 17/31頁
文件大?。?/td> 185K
代理商: S-3531A
REAL-TIME CLOCK
S-3531A
16
Seiko Instruments Inc.
7.Example of software treatment
(1 ) Initialization flow at power-on
NO
YES
START
END
POWER=1
(*1)
If S-3531 is back-up and power is turned on
only on the CPU side, the reset command
does not need transferring.
(*2)
If conditions are no good (e.g., noise) and
probable changes in commands occurs via
serial communications, it is recommended to
make sure the TEST flag.
(*3)
The test ending command may be used
alternately
Power on
Reset command
transfer
NO
YES
TEST=1
Reset command
transfer
Status register setting
command transfer
Real-time data setting
command transfer
INT1 register setting
command transfer
(*1)
(*2)
(*3)
Figure 17 Initialization flow
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