參數(shù)資料
型號(hào)： RS5C372A
廠商： RICOH COMPANY LTD
元件分類(lèi)： XO, clock
英文描述： I2C bus SERIAL INTERFACE REAL-TIME CLOCK ICs
中文描述： 0 TIMER(S), REAL TIME CLOCK, PDSO8
封裝： SSOP-8
文件頁(yè)數(shù)： 56/59頁(yè)
文件大小： 442K
代理商： RS5C372A
RS5C372A/B
52
7.3 Read Operation from Clock and Calendar Counters
Stop condition
Start condition
Read from clock and
calendar counters
*
1
*
2
*
1) When reading from clock and calendar counters, do not insert
stop condition until all times from second to year have been
read to prevent error in reading time.
*
2) Take care so that process from start condition to stop condi-
tion will be completed within 0.5 seconds. (The RS5C372A/B
force access to the CPU to terminate within 0.5 to 1.0 sec-
onds after start condition has occurred in case the CPU is
failed during access.)
7.4 Second Digit Adjustment by ±30 seconds
Control register 2
←
(00
×
1
×
111)
*
1
*
1) Write 1 to the ADJ bit. (The ±30 seconds of adjustment is
made within 122.1μs (125μs when 32.000kHz crystal is used)
after the ADJ bit is set to 1.)
7.5 Interrupt Operation
7.5-1 Periodic Interrupt Operation
CTFG=1
Periodic interrupt operation
Other
interrupt
operation
Interrupt to CPU
Control register 2
←
(00
×××
011)
Set periodic interrupt
cycle select bit and
interrupt output select bit
YES
NO
*
1
*
2
*
1) The level mode is used for the periodic interrupt cycle select
bit.
*
2) Interrupt to the CPU is cancelled by setting the CTFG bit to 0.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
RS5C372B 制造商:RICOH 制造商全稱(chēng):RICOH electronics devices division 功能描述:I2C-bus Serial Interface Real Time Clock (8pin SSOP)
RS5C372B-E1 制造商:RICOH 制造商全稱(chēng):RICOH electronics devices division 功能描述:I2C-bus Serial Interface Real Time Clock (8pin SSOP)
RS5C372B-E2 制造商:RICOH 制造商全稱(chēng):RICOH electronics devices division 功能描述:I2C-bus Serial Interface Real Time Clock (8pin SSOP)
RS5C373A 制造商:未知廠家 制造商全稱(chēng):未知廠家 功能描述:Real-Time Clock
RS5C4FC 制造商:Dialight 功能描述:
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