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参数资料
| 型号： | RS5C317B-E1 |
| 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, PDSO14 |
| 封装： | 0.65 MM PITCH, SSOP-14 |
| 文件页数： | 10/40页 |
| 文件大小： | 347K |
| 代理商： | RS5C317B-E1 |
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RS5C317A/B
14
CLKC pin
CLEN bit
32KOUT output
L (open)
0 (prohibited to write)
High impedance
H
0
32kHz clock output
H
1
High impedance
D3
D2
D1
D0
S8
S4
S2
S1
(For read/write) 1-second time digit
(at 0h)
*
S40
S20
S10
(For read/write) 10-second time digit
(at 1h)
M8
M4
M2
M1
(For read/write) 1-minute time digit
(at 2h)
*
M40
M20
M10
(For read/write) 10-minute time digit
(at 3h)
H8
H4
H2
H1
(For read/write) 1-hour time digit
(at 4h)
*
P/A or H20
H10
(For read/write) 10-hour time digit
(at 5h)
*6) Timing diagram for TMOUT
*7) Writing operation to the timer register makes the timer counter to start operation with resetting.
TMR
1
TMR
1
0.977ms
MAX. T1
T2
T3
TMOUT
D3
D2
D1
D0
*
CLEN
(For read/write)
*1) The “*” mark indicates data which are set to 0 for read cycle and not set for write cycle.
*2) (CLEN) control bit for 32kHz output
The CLEN bit is set to 0 when the XSTP=1. CLEN is not writable and set to 0 when CLKC pin level low/open.
*3) 32KOUT condition
2.6 32kHz control register (BANK 1, at Ah)
3. Counters
3.1 Clock counter (BANK 0, at 0h-5h)
*1) The “*” mark indicates data which are set to 0 for read cycle and not set for write cycle.
*2) Any carry to 1-second digits from the second counter is disabled when the WTEN bit (of the control register 1) is set to 0.
*3) Time digit display (BCD code):
Second digits : Range from 00 to 59 and carried to minute digits when incremented from 59 to 00.
Minute digits : Range from 00 to 59 and carried to hour digits when incremented from 59 to 00.
Hour digits
: Range as shown in the section on the 12/24 bit and carried to day and day-of-the-week digits when incremented from 11 p.m. to 12
a.m. or 23 to 00.
*4) Any registered imaginary time should be replaced with actual time as carrying to such registered imaginary time digits from lower-order ones cause
the clock counter to malfunction.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| 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 |
| RS5C321B | 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 |
| RS5C338A | 制造商:RICOH 制造商全称: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 制造商全称:RICOH electronics devices division 功能描述:3-WIRE SERIAL INTERFACE REAL-TIME CLOCK ICs WITH VOLTAGE MONITORING FUNCTION |
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