参数资料
型号: DS1500YN
厂商: DALLAS SEMICONDUCTOR
元件分类: Timer or RTC
英文描述: REAL TIME CLOCK, PDIP32
封装: DIP-32
文件页数: 23/25页
文件大小: 214K
代理商: DS1500YN
DS1500/DS1510
7 of 25
CLEARING IRQ AND FLAGS
The Time of Day/Date Alarm Flag (TDF), Watchdog Flag (WDF), and Interrupt Request Flag (IRQF), are
cleared by reading the flag register (0EH) as shown in Figures 2a, 2b, and 2c. The address must be stable
for a minimum of 15 ns (tIRQZ). After the tIRQZ requirement has been met, either a change in address
(figure 2a), a rising edge of OE (figure 2b), or a rising edge of CS will cause the flags to be cleared. The
IRQ
pin will go inactive after the IRQF flag is cleared.
IRQ AND FLAG WAVEFORMS (ADDRESS RELATED) Figure 2a
IRQ AND FLAG WAVEFORMS ( OE RELATED) Figure 2b
相关PDF资料
PDF描述
DS1501WN 1 TIMER(S), REAL TIME CLOCK, PDIP28
DS1501YN 1 TIMER(S), REAL TIME CLOCK, PDIP28
DS1501WEN 1 TIMER(S), REAL TIME CLOCK, PDSO28
DS1501WSN 1 TIMER(S), REAL TIME CLOCK, PDSO28
DS1501YEN 1 TIMER(S), REAL TIME CLOCK, PDSO28
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