Rainbow-electronics DS1500 Manual de usuario Pagina 19
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- Tabla de contenidos
- MARCADORES
- Y2K Watchdog RTC with 1
- Nonvolatile Control 1
- ABSOLUTE MAXIMUM RATINGS 2
- CRYSTAL SPECIFICATIONS* 3
- AC OPERATING CHARACTERISTICS 3
- Figure 1. Read Cycle Timing 4
- CAPACITANCE 6
- AC TEST CONDITIONS 6
- RECOGNIZED 7
- WAKEUP/KICKSTART TIMING 8
- PIN DESCRIPTION 9
- Figure 7. Block Diagram 10
- DETAILED DESCRIPTION 11
- DATA READ MODE 11
- DATA WRITE MODE 11
- TIME AND DATE OPERATION 12
- READING THE CLOCK 12
- DATA RETENTION MODE 12
- AUXILIARY BATTERY 12
- POWER-ON RESET 12
- SETTING THE CLOCK 13
- CLOCK ACCURACY 13
- POWER-UP DEFAULT STATES 13
- USING THE CLOCK ALARM 13
- CONTROL REGISTERS 14
- Clearing IRQ and Flags 15
- CLOCK OSCILLATOR CONTROL 16
- USING THE WATCHDOG TIMER 16
- WAKEUP/KICKSTART 17
- SQUARE-WAVE OUTPUT 18
- BATTERY MONITOR 18
- 256 x 8 EXTENDED RAM 18
- SELECTOR GUIDE 19
- TYPICAL OPERATING CIRCUIT 19
- PACKAGE INFORMATION 19
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