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參數(shù)資料
| 型號： | RS5C317B |
| 廠商： | RICOH COMPANY LTD |
| 元件分類： | XO, clock |
| 英文描述： | ULTRA-COMPACT HIGH PERFORMANCE SERIAL REAL-TIME CLOCK ICs |
| 中文描述： | 0 TIMER(S), REAL TIME CLOCK, PDSO14 |
| 封裝： | 0.65 MM PITCH, SSOP-14 |
| 文件頁數(shù)： | 17/40頁 |
| 文件大?。?/td> | 309K |
| 代理商： | RS5C317B |
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RS5C317A/B
13
2.5 Timer register (BANK 1, at 9h)
Cycle time setting table for the time counter (The “
*
” mark indicates 0 or 1.)
D3
D2
D1
D0
TM
3
TM
2
TM
1
TMCL
(For read/write)
Clock Frequency Selection Bit for the Timer Counter *
1
Period Selection Bit for the Timer Counter *
2
TMCL
Description
0
1
Clock frequency=512Hz (1.953ms)
Clock frequency=16Hz (62.5ms)
TM
3
TM
2
TM
1
TMCL
T1 (
cycle time for
watch-dog-timer) *
3
T2
(time between setting
TMR=1 and TMOUT output) *
4
T3 (
cycle time for
free-run timer) *
5
0
0
0
*
0
Timer halts
Timer halts
Timer halts
0
0
1
1.953ms
1.953 to 3.907ms
3.906ms
0
1
0
0
5.859ms
5.859 to 7.813ms
7.812ms
0
1
1
0
9.765ms
9.765 to 11.72ms
11.719ms
1
0
0
0
13.67ms
13.67 to 15.63ms
15.625ms
1
0
1
0
17.57ms
17.57 to 19.54ms
19.531ms
1
1
0
0
21.48ms
21.48 to 23.44ms
23.437ms
1
1
1
0
25.39ms
25.39 to 27.35ms
27.344ms
0
0
1
1
62.5ms
62.5 to 125ms
125ms
0
1
0
1
187.5ms
187.5 to 250ms
250ms
0
1
1
1
312.5ms
312.5 to 375ms
375ms
1
0
0
1
437.5ms
437.5 to 500ms
500ms
1
0
1
1
562.5ms
562.5 to 625ms
625ms
1
1
0
1
687.5ms
687.5 to 750ms
750ms
1
1
1
1
812.5ms
812.5 to 875ms
875ms
*
1) (TMCL)
“512Hz” and “16Hz” are selectively available. When the “XSTP” bit is set to 1, the “TMCL” bit is automatically set to 0. There may be possibility to be
ahead or behind of the clock counter at maximum of a halt of clock frequency (512Hz or 16Hz), when the “ADJ” bit is set to 1 in the control register-1.
*
2) (TM
3
-TM
1
)
When the “XSTP” bit is set to 1 the “TM
3
, TM
2
”, and “TM
1
” is automatically set to 0, the timer counter halts.
*
3) T1: The maximum disable time for timer output, TMOUT=L, after setting the “TMR” bit to 1.
*
4) T2: Time between timer output and setting the “TMR” bit to 1, or setting the timer register to any value.
*
5) T3: Timer output cycle time without setting “TMR” bit to 1, cycle time for free-run-timer.
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PDF描述 |
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| RS5C321A | ULTRA-COMPACT SERIAL REAL-TIME CLOCK ICs WITH 32.768kHz |
| RS5C321B | ULTRA-COMPACT SERIAL REAL-TIME CLOCK ICs WITH 32.768kHz |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| RS5C321A | 制造商:RICOH 制造商全稱:RICOH electronics devices division 功能描述:ULTRA-COMPACT SERIAL REAL-TIME CLOCK ICs WITH 32.768kHz |
| RS5C321A/B | 制造商:RICOH 制造商全稱:RICOH electronics devices division 功能描述:real-time clock ICs |
| RS5C321B | 制造商:RICOH 制造商全稱:RICOH electronics devices division 功能描述:ULTRA-COMPACT SERIAL REAL-TIME CLOCK ICs WITH 32.768kHz |
| RS5C338A | 制造商:RICOH 制造商全稱:RICOH electronics devices division 功能描述:3-WIRE SERIAL INTERFACE REAL-TIME CLOCK ICs WITH VOLTAGE MONITORING FUNCTION |
| RS5C338A-E2 | 制造商:RICOH 制造商全稱:RICOH electronics devices division 功能描述:3-WIRE SERIAL INTERFACE REAL-TIME CLOCK ICs WITH VOLTAGE MONITORING FUNCTION |
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