参数资料
型号: RTC-7301SFB
元件分类: 时钟/数据恢复及定时提取
英文描述: REAL TIME CLOCK, PDSO24
封装: SSOP-24
文件页数: 14/28页
文件大小: 274K
代理商: RTC-7301SFB
RTC - 7301 SF / DG
Page - 18
MQ332-05
7-3. Writing to the clock and calendar (setting the current time)
STOP
← 1
Bank 0
STOP
← 0
Return
122
s Wait
"Stop the clock counter and reset the seconds digit by the STOP bit.
"Set the data on the clock and calendar registers.
"Start the clock.
Set the Current Time
Set the data on the
clock and calendar
registers
7-4. Reading out the clock and calendar
7-4-1. Reading out using the Busy bit check
Start
Busy =0 ?
244
s Wait
Yes
Return
No
Bank 0
Perform the Busy bit check.
When the Busy bit is "1," the internal clock is being
updating, so wait for the update to finish before reading
out the data of the register.
When the Busy bit is "0," the clock register update does
not occur for 122
s, so write the data of the register
within 122
s.
Read the data to the
clock and calendar
registers
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