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参数资料
| 型号： | RV5C348B |
| 厂商： | RICOH COMPANY LTD |
| 元件分类： | XO, clock |
| 英文描述： | 4-WIRE SERIAL INTERFACE |
| 中文描述： | 0 TIMER(S), REAL TIME CLOCK, PDSO10 |
| 封装： | 4 X 2.90 MM, 1.20 MM HEIGHT, 0.50 MM PITCH, SSOP-10 |
| 文件页数： | 40/45页 |
| 文件大小： | 1276K |
| 代理商： | RV5C348B |
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Rx5C348A/B
Interrupt Process
(1) Periodic Interrupt
*2)
Other Interrupt
Processes
Set Periodic Interrupt
Cycle Selection Bits
CTFG=1?
Conduct
Periodic Interrupt
Yes
No
Control Register 2
←
(X1X1X011)
Generate Interrupt to CPU
*1)
*1) This step is intended to select the level mode as a
waveform mode for the periodic interrupt function.
*2) This step is intended to set the CTFG bit to 0 in
the Control Register 2 to cancel an interrupt to the
CPU.
(2) Alarm Interrupt
*3)
Other Interrupt
Processes
Set Alarm Min., Hr., and
Day-of-week Registers
WAFG or DAFG=1?
Conduct Alarm Interrupt
Yes
No
Control Register 2
←
(X1X1X101)
Generate Interrupt to CPU
*1)
WALE or DALE
←0
*2)
WALE or DALE
←1
*1) This step is intended to once disable the alarm
interrupt circuit by setting the WALE or DALE bits to 0
in anticipation of the coincidental occurrence of a
match between current time and preset alarm time in
the process of setting the alarm interrupt function.
*2) This step is intended to enable the alarm interrupt
function
after
completion
of
all
alarm
interrupt
settings.
*3) This step is intended to once cancel the alarm
interrupt function by writing the settings of "X,1,X,
1,X,1,0,1" and "X,1,X,1,X,1,1,0" to the Alarm_W
Registers and the Alarm_D Registers, respectively.
12345
Rev.2.01
- 45 -
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相关代理商/技术参数 |
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| RV5C386A | 制造商:RICOH 制造商全称:RICOH electronics devices division 功能描述:I2C-bus Real-Time Clock ICs with Voltage Monitoring Function |
| RV5C386A_03 | 制造商:RICOH 制造商全称:RICOH electronics devices division 功能描述:I2C bus SERIAL INTERFACE REAL-TIME CLOCK IC WITH VOLTAGE MONITORING FUNCTION |
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