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参数资料
| 型号： | RS5C316B-E2 |
| 厂商： | RICOH COMPANY LTD |
| 元件分类： | 时钟/数据恢复及定时提取 |
| 英文描述： | 0 TIMER(S), REAL TIME CLOCK, PDSO8 |
| 封装： | 0.65 MM PITCH, SSOP-8 |
| 文件页数： | 22/38页 |
| 文件大小： | 288K |
| 代理商： | RS5C316B-E2 |
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RS5C316A/B
25
Interrupt cycle register
INTR output
Description
CT3
CT2
CT1
CT0
0
**
1
0
OFF
Interrupt halt
0
*
0
1
ON
Fixing the INTR pin to the low level
0
*
1
0
0.977ms
Cycle: 0.977ms (1/1024Hz) Duty 50%
0
*
1
0.5s
Cycle: 0.5s (1/2Hz)
1
0
1s
Every second
1
0
1
10s
Every 10 seconds
(For display of second digits: 00, 10, 20, 30, 40 and 50)
1
0
1
0
1 minute
Every minute (00 second)
1
0
1
10 minutes
Every 10 minutes
(For display of minute digits: 00, 10, 20, 30, 40 and 50)
1
0
1 hour
Every hour (00 minute and 00 second)
1
0
1
1 day
Every day (0 hour, 00 minute and 00 second a.m.)
1
0
1 week
Every week (0 week, 0 hour, 00 minute and 00 second a.m.)
1
1 month
Every month (1st day, 0 hour, 00 minute and 00 second a.m.)
10.2 Periodic (Clock) Interrupt
The INTR pin output, the interrupt cycle register, and the CTFG bit can be used to interrupt the CPU in a certain
cycle. The interrupt cycle register can be used to select either one of two interrupt output modes: the pulse mode
(when the CT3 bit is set to 0) and the level mode (when the CT3 bit is set to 1).
10.2-1 Interrupt Cycle Selection
10.2-2 Pulse mode Interrupt
When the CT3 bit is set to 0 and provides four interrupt cycles, off, on, 1024Hz, and 2Hz can be selected. The
CTFG bit cannot be set because it is used for output monitoring.
10.2-3 Level mode Interrupt
When the CT3 bit is set to 1, clock-interlocked cycles in increments of one second to one month can be selected.
The CTFG bit can be written; writing 1 to the CTFG bit switches the INTR pin to the low level while writing 0 to the
CTFG bit turns off the INTR pin.
*1) The “*” mark indicates 0 or 1.
T1
0.488ms
CTFG
INTR
Interrupt
(Second count-up)
Interrupt
(Second count-up)
Writing 0 to CTFG bit
CTFG
INTR
1024Hz : T1= 0.977ms
2Hz
: T1= 500ms
相关PDF资料 |
PDF描述 |
|---|---|
| RS5C317B-E1 | 0 TIMER(S), REAL TIME CLOCK, PDSO14 |
| RS5C317B-E2 | 0 TIMER(S), REAL TIME CLOCK, PDSO14 |
| RS5C321A-E1 | 0 TIMER(S), REAL TIME CLOCK, PDSO8 |
| RS5C321B-E1 | 0 TIMER(S), REAL TIME CLOCK, PDSO8 |
| RS5C321B-E2 | 0 TIMER(S), REAL TIME CLOCK, PDSO8 |
相关代理商/技术参数 |
参数描述 |
|---|---|
| RS5C317A | 制造商:RICOH 制造商全称:RICOH electronics devices division 功能描述:ULTRA-COMPACT HIGH PERFORMANCE SERIAL REAL-TIME CLOCK ICs |
| RS5C317A/B | 制造商:RICOH 制造商全称:RICOH electronics devices division 功能描述:real-time clock ICs |
| RS5C317B | 制造商:RICOH 制造商全称:RICOH electronics devices division 功能描述:ULTRA-COMPACT HIGH PERFORMANCE SERIAL REAL-TIME CLOCK ICs |
| RS5C321A | 制造商:RICOH 制造商全称:RICOH electronics devices division 功能描述:ULTRA-COMPACT SERIAL REAL-TIME CLOCK ICs WITH 32.768kHz |
| RS5C321A/B | 制造商:RICOH 制造商全称:RICOH electronics devices division 功能描述:real-time clock ICs |
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