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8583T Datasheet PDF

The open drain interrupt output is switched on active LOW when the alarm or timer flag is set enabled. D5 is the most significant and D0 the least significant digit.

In the event-counter mode events are stored in BCD. This allows the user to read the date and month count directly. The event counter mode is used to. A timer alarm event will set the alarm flag and an overflow condition of the timer will set the timer flag. This allows the user to read the date and month count. The flags remain set until directly reset by a write operation.

The first 16 bytes of the RAM memory addresses 00 to 0F are designed as addressable 8-bit parallel special function registers. All functions and options are controlled by the. The first 16 bytes of the RAM memory addresses. In the clock modes the hundredths of a second, seconds. Days are counted when an alarm is not programmed. The year and date are packed into memory location 05 see Fig. The memory addresses 01 to 07 are used as counters for. The open drain interrupt output is switched.

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When one of the counters is read memory locations 01 to 07the contents of all counters are strobed into capture latches at the beginning of a read cycle. In the clock modes, the timer register address 07 may be programmed to count hundredths of a second, seconds, minutes, hours or days.

The first register memory. By setting the alarm control register a dated alarm, a daily alarm, a weekday alarm or a timer alarm may be programmed.

The memory addresses 08 to 0F may be programmed as alarm registers or used as free RAM locations, when the alarm is disabled. The event counter stores up to 6 digits of data. Counter cycles are listed in Table 1. By setting the alarm control register a dated alarm, a daily.

The year and date are packed into memory location In the event-counter mode events are stored in BCD format. In the clock modes the hundredths of a second, seconds, minutes, hours, date, month four year calendar and weekday are stored in a BCD format. When datassheet of the counters is read memory locations.

In the clock modes 24 h or 12 h format can be selected by. The memory addresses 08 to 0F may. Whenever an alarm event occurs the alarm flag of the. The memory addresses 01 to 07 are used as counters for the clock function. The timer register stores up to 99 days. A timer alarm event will set. The event counter stores up to 6 digits of. In the different modes the counter registers are programmed and arranged as shown in Fig.

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In the clock modes, the timer register.

The flags remain set until directly reset by a. The weekdays and months are packed into. The divider is by-passed. When a counter is written, other counters are not affected.

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Therefore, faulty reading of the count during a carry condition is prevented. D5 is the most significant and D0 the least. The datashet of the hours counter is shown in Fig.

The weekdays and months are packed into memory location 06 see Fig. The event counter mode is used to count pulses applied to the oscillator input OSCO left open-circuit. In the different modes the counter registers are.