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DSP56857 Datasheet(PDF) 597 Page - Freescale Semiconductor, Inc |
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DSP56857 Datasheet(HTML) 597 Page - Freescale Semiconductor, Inc |
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597 / 662 page  Application: Date: Programmer: Sheet C 56F853/854/855/857/858 Digital Signal Controller User Manual, Rev. 4 B-95 Freescale Semiconductor Preliminary 1 of 10 TOD Control Status (TODCS) TOD TOD Control Status Register (TODCS) $1FFFC0 + $0 Bits 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 Read TOD SIO TOD AL TEST TOD DA TOD HA TOD MA TOD SA TOD SEN TOD AEN TOD_ LOCK TOD EN Write Reset 0 0 00 00 0 0 0 0 0 0 0 0 0 0 Bits Name Description 15 TODSIO Time-of-Day 1-Second Interrupt Occurred Flag This bit is set when one-second interrupt occurs. This bit is cleared by writing a 0 to the bit position. It must be cleared before exiting the Interrupt Service Routine (ISR). 14 TODAL Time-of-Day Alarm Interrupt Occurred Flag This bit is set when TOD Alarm Interrupt occurs. This bit is cleared by writing a zero to the bit position. This bit must be cleared before exiting the Interrupt Service Routine. 9 - 8 TEST TEST Bit Field This bit field is reserved as factory test bits and must be written as 0. 7 TODDA Time-of-Day Days Alarm Enable 0 Alarm interrupt ignores days counter 1 Alarm interrupt requires match of days alarm register to days counter 6 TODHA Time-of-Day Hours Alarm Enable 0 Alarm interrupt ignores hours counter 1 Alarm interrupt requires match of hours alarm register to hours counter 5 TODMA Time-of-Day Minutes Alarm Enable 0 Alarm interrupt ignores minutes counter 1 Alarm interrupt requires match of minutes alarm register to minutes counter 4 TODSA Time-of-Day Seconds Alarm Enable 0 Alarm interrupt ignores seconds counter 1 Alarm interrupt requires match of seconds alarm register to seconds counter 3 TODSEN Time-of-Day Seconds Interrupt Enable 0 Disables TOD seconds interrupt 1 Enables TOD seconds interrupt 2 TODAEN Time-of-Day Alarm Interrupt Enable 0 Disables TOD alarm interrupt 1 Enables TOD alarm interrupt 1 TOD_LOCK Time-of-Day Lock 0 TOD registers not locked 1 TOD registers locked 0 TODEN Time-of-Day Enable Writing 0 to TODEN disables the time-of-day counting; the time registers will contain the final value of the time counters and the registers can receive writing. denotes Reserved Bits |
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