Техника микропроцессорных систем в коммутации. Проектирование микропроцессорных систем на базе микроконтроллеров AVR фирмы Atmel. Горохин В.Н. - 23 стр.

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Ɍɚɛɥɢɰɚ 24. Ɋɟɝɢɫɬɪ ɫɪɚɜɧɟɧɢɹ 1B – OCR1BH ɢ OCR1BL
Ɋɚɡɪɹɞ 7 6 5 4 3 2 1 0
OCR1B [15:8] OCR1BH
OCR1B [7:0] OCR1BL
ɑɬ./ɡɚɩ. Ɂɩ./ɑɬ. Ɂɩ./ɑɬ. Ɂɩ./ɑɬ. Ɂɩ./ɑɬ. Ɂɩ./ɑɬ. Ɂɩ./ɑɬ. Ɂɩ./ɑɬ. Ɂɩ./ɑɬ.
ɂɫɯ. ɡɧ. 0 0 0 0 0 0 0 0
ȼ ɪɟɝɢɫɬɪɚɯ ɫɪɚɜɧɟɧɢɹ ɯɪɚɧɢɬɫɹ 16-ɪɚɡɪ. ɡɧɚɱɟɧɢɟ, ɤɨɬɨɪɨɟ ɧɟɩɪɟɪɵɜɧɨ
ɫɪɚɜɧɢɜɚɟɬɫɹ ɫɨ ɡɧɚɱɟɧɢɟɦ ɫɱɟɬɱɢɤɚ (TCNTn). ȼɨɡɧɢɤɚɸɳɟɟ ɫɨɜɩɚɞɟɧɢɟ ɦɨɠɟɬ
ɢɫɩɨɥɶɡɨɜɚɬɶɫɹ ɞɥɹ ɝɟɧɟɪɚɰɢɢ ɩɪɟɪɵɜɚɧɢɹ ɩɨ ɪɟɡɭɥɶɬɚɬɭ ɫɪɚɜɧɟɧɢɹ ɢ ɝɟɧɟɪɚ-
ɰɢɢ ɩɪɹɦɨɭɝɨɥɶɧɵɯ ɢɦɩɭɥɶɫɨɜ ɧɚ ɜɵɜɨɞɟ OCnx.
Ɋɟɝɢɫɬɪɵ ɫɪɚɜɧɟɧɢɹ ɹɜɥɹɸɬɫɹ 16-ɪɚɡɪɹɞɧɵɦɢ, ɩɨɷɬɨɦɭ, ɨɞɧɨɜɪɟɦɟɧɧɨɫɬɶ
ɡɚɩɢɫɢ ɦɥɚɞɲɟɝɨ ɢ ɫɬɚɪɲɟɝɨ ɛɚɣɬɨɜ ɞɨɫɬɢɝɧɭɬɚ ɡɚ ɫɱɟɬ ɢɫɩɨɥɶɡɨɜɚɧɢɹ 8-ɪɚɡɪ.
ɜɪɟɦɟɧɧɨɝɨ ɪɟɝɢɫɬɪɚ ɫɬɚɪɲɟɝɨ ɛɚɣɬɚ (TEMP). ȼɪɟɦɟɧɧɵɣ ɪɟɝɢɫɬɪ ɹɜɥɹɟɬɫɹ ɨɛ-
ɳɢɦ ɞɥɹ ɜɫɟɯ 16-ɪɚɡɪɹɞɧɵɯ ɪɟɝɢɫɬɪɨɜ ɬɚɣɦɟɪɚ.
Ɋɟɝɢɫɬɪɵ ɡɚɯɜɚɬɚ, ɩɪɟɞɫɬɚɜɥɟɧɧɵɟ ɜ ɬɚɛɥɢɰɟ 25, ɨɛɧɨɜɥɹɸɬɫɹ ɫɨɞɟɪɠɢ-
ɦɵɦ ɫɨɨɬɜɟɬɫɬɜɭɸɳɟɝɨ ɫɱɟɬɱɢɤɚ (TCNTn) ɩɪɢ ɤɚɠɞɨɦ ɨɩɪɟɞɟɥɟɧɢɢ ɭɫɥɨɜɢɹ
ɡɚɯɜɚɬɚ ɧɚ ɜɯɨɞɟ ICPn (ɢɥɢ ɚɥɶɬɟɪɧɚɬɢɜɧɨ ɧɚ ɜɵɯɨɞɟ ɚɧɚɥɨɝɨɜɨɝɨ ɤɨɦɩɚɪɚɬɨɪɚ
ɞɥɹ ɬɚɣɦɟɪɚ-ɫɱɟɬɱɢɤɚ 1).
Ɍɚɛɥɢɰɚ 25. Ɋɟɝɢɫɬɪ ɡɚɯɜɚɬɚ 1 – ICR1H ɢ ICR1L
Ɋɚɡɪɹɞ 7 6 5 4 3 2 1 0
ICR1H [15:8] ICR1H
ICR1L [7:0] ICR1L
ɑɬ./ɡɚɩ. Ɂɩ./ɑɬ. Ɂɩ./ɑɬ. Ɂɩ./ɑɬ. Ɂɩ./ɑɬ. Ɂɩ./ɑɬ. Ɂɩ./ɑɬ. Ɂɩ./ɑɬ. Ɂɩ./ɑɬ.
ɂɫɯ. ɡɧ. 0 0 0 0 0 0 0 0
Ɋɟɝɢɫɬɪɵ ɡɚɯɜɚɬɚ ɚɥɶɬɟɪɧɚɬɢɜɧɨ ɦɨɝɭɬ ɢɫɩɨɥɶɡɨɜɚɬɶɫɹ ɞɥɹ ɡɚɞɚɧɢɹ
ɜɟɪɯɧɟɝɨ ɩɪɟɞɟɥɚ ɫɱɟɬɚ.
Ɋɟɝɢɫɬɪɵ ɡɚɯɜɚɬɚ ɬɚɤɠɟ ɹɜɥɹɸɬɫɹ 16-ɪɚɡɪɹɞɧɵɦɢ, ɩɨɷɬɨɦɭ, ɨɞɧɨɜɪɟ-
ɦɟɧɧɨɫɬɶ ɡɚɩɢɫɢ ɦɥɚɞɲɟɝɨ ɢ ɫɬɚɪɲɟɝɨ ɛɚɣɬɨɜ ɞɨɫɬɢɝɧɭɬɚ ɡɚ ɫɱɟɬ ɢɫɩɨɥɶɡɨɜɚ-
ɧɢɹ 8-ɪɚɡɪ. ɜɪɟɦɟɧɧɨɝɨ ɪɟɝɢɫɬɪɚ ɫɬɚɪɲɟɝɨ ɛɚɣɬɚ (TEMP). ȼɪɟɦɟɧɧɵɣ ɪɟɝɢɫɬɪ
ɹɜɥɹɟɬɫɹ ɨɛɳɢɦ ɞɥɹ ɜɫɟɯ 16-ɪɚɡɪɹɞɧɵɯ ɪɟɝɢɫɬɪɨɜ ɬɚɣɦɟɪɚ.
ȼ ɬɚɛɥɢɰɟ 26 ɩɪɟɞɫɬɚɜɥɟɧɵ ɪɚɡɪɹɞɵ ɪɟɝɢɫɬɪɚ ɦɚɫɤɢ ɩɪɟɪɵɜɚɧɢɣ ɬɚɣɦɟɪɚ-
ɫɱɟɬɱɢɤɚ – TIMSK
46
Ɍɚɛɥɢɰɚ 26. Ɋɟɝɢɫɬɪ ɦɚɫɤɢ ɩɪɟɪɵɜɚɧɢɣ ɬɚɣɦɟɪɚ-ɫɱɟɬɱɢɤɚ – TIMSK
Ɋɚɡɪɹɞ 7 6 5 4 3 2 1 0
OCIE2 TOIE2 TICIE1 OCIE1A OCIE1B TOIE1 OCIE0 TOIE0 TIMSK
ɑɬ//ɡɚɩ. ɑɬ./Ɂɩ. ɑɬ./Ɂɩ. ɑɬ./Ɂɩ. ɑɬ./Ɂɩ. ɑɬ./Ɂɩ. ɑɬ./Ɂɩ. ɑɬ./Ɂɩ. ɑɬ./Ɂɩ.
ɂɫɯ. ɡɧ. 0 0 0 0 0 0 0 0
ɉɪɢɦ.: Ⱦɚɧɧɵɣ ɪɟɝɢɫɬɪ ɛɢɬɵ ɭɩɪɚɜɥɟɧɢɹ ɩɪɟɪɵɜɚɧɢɹɦɢ ɞɥɹ ɧɟɫɤɨɥɶɤɢɯ
ɬɚɣɦɟɪɫɱɟɬɱɢɤɨɜ, ɧɨ ɜ ɞɚɧɧɨɦ ɪɚɡɞɟɥɟ ɞɟɬɚɥɢɡɢɪɨɜɚɧɵ ɬɨɥɶɤɨ ɛɢɬɵ ɬɚɣɦɟɪɚ
1. Ɉɩɢɫɚɧɢɟ ɨɫɬɚɥɶɧɵɯ ɛɢɬ ɧɟɨɛɯɨɞɢɦɨ ɢɫɤɚɬɶ ɩɪɢ ɨɩɢɫɚɧɢɢ ɫɨɨɬɜɟɬɫɬɜɭɸ-
ɳɢɯ ɬɚɣɦɟɪɨɜ.
Ɋɚɡɪɹɞ 5 – TICIE1: Ɋɚɡɪɟɲɟɧɢɟ ɩɪɟɪɵɜɚɧɢɹ ɩɨ ɡɚɯɜɚɬɭ ɫɨɫɬɨɹɧɢɹ ɬɚɣɦɟ-
ɪɚ-ɫɱɟɬɱɢɤɚ 1
ȿɫɥɢ ɜ ɞɚɧɧɵɣ ɛɢɬ ɡɚɩɢɫɚɧɚ ɥɨɝ. 1, ɚ ɬɚɤɠɟ ɭɫɬɚɧɨɜɥɟɧ ɮɥɚɝ I ɜɪɟɝɢɫɬɪɟ
ɫɬɚɬɭɫɚ (ɚɤɬɢɜɧɨ ɨɛɳɟɟ ɪɚɡɪɟɲɟɧɢɟ ɩɪɟɪɵɜɚɧɢɣ), ɬɨ ɪɚɡɪɟɲɚɟɬɫɹ ɩɪɟɪɵɜɚɧɢɟ
ɩɨ ɡɚɯɜɚɬɭ ɫɨɫɬɨɹɧɢɹ ɬɚɣɦɟɪɚ-ɫɱɟɬɱɢɤɚ 1. ȿɫɥɢ ɭɫɬɚɧɚɜɥɢɜɚɟɬɫɹ ɮɥɚɝ ɜ ɪɟɝɢɫɬɪɟ
TIFR, ɩɪɨɝɪɚɦɦɚ ɩɟɪɟɯɨɞɢɬ ɧɚ ɫɨɨɬɜɟɬɫɬɜɭɸɳɢɣ ɜɟɤɬɨɪ ɩɪɟɪɵɜɚɧɢɹ.
Ɋɚɡɪɹɞ 4 – OCIE1A: Ɋɚɡɪɟɲɟɧɢɟ ɩɪɟɪɵɜɚɧɢɹ ɩɨ ɪɟɡɭɥɶɬɚɬɭ ɫɪɚɜɧɟɧɢɹ ɤɚ-
ɧɚɥɚ Ⱥ ɬɚɣɦɟɪɚ-ɫɱɟɬɱɢɤɚ 1
ȿɫɥɢ ɜ ɞɚɧɧɵɣ ɛɢɬ ɡɚɩɢɫɚɧɚ ɥɨɝ. 1 ɢ ɭɫɬɚɧɨɜɥɟɧ ɮɥɚɝ I ɜ ɪɟɝɢɫɬɪɟ ɫɬɚɬɭɫɚ,
ɬɨ ɪɚɡɪɟɲɚɟɬɫɹ ɪɚɛɨɬɚ ɩɪɟɪɵɜɚɧɢɹ ɩɨ ɪɟɡɭɥɶɬɚɬɭ ɫɪɚɜɧɟɧɢɹ ɤɚɧɚɥɚ A. ȿɫɥɢ ɭɫ-
ɬɚɧɚɜɥɢɜɚɟɬɫɹ ɮɥɚɝ OCF1A ɜ ɪɟɝɢɫɬɪɟ TIFR, ɬɨ ɩɪɨɝɪɚɦɦɚ ɩɟɪɟɯɨɞɢɬ ɧɚ ɫɨɨɬ-
ɜɟɬɫɬɜɭɸɳɢɣ ɜɟɤɬɨɪ ɩɪɟɪɵɜɚɧɢɣ.
Ɋɚɡɪɹɞ 3 – OCIE1ȼ: Ɋɚɡɪɟɲɟɧɢɟ ɩɪɟɪɵɜɚɧɢɹ ɩɨ ɪɟɡɭɥɶɬɚɬɭ ɫɪɚɜɧɟɧɢɹ ɤɚ-
ɧɚɥɚ ȼ ɬɚɣɦɟɪɚ-ɫɱɟɬɱɢɤɚ 1
Ⱦɟɣɫɬɜɢɟ ɚɧɚɥɨɝɢɱɧɨ ɩɪɟɞɵɞɭɳɟɦɭ, ɧɨ ɜ ɨɬɧɨɲɟɧɢɢ ɤɚɧɚɥɚ ɫɪɚɜɧɟɧɢɹ ȼ.
Ɋɚɡɪɹɞ 2 – TOIE1: Ɋɚɡɪɟɲɟɧɢɟ ɩɪɟɪɵɜɚɧɢɹ ɩɪɢ ɩɟɪɟɩɨɥɧɟɧɢɢ ɬɚɣɦɟɪɚ-
ɫɱɟɬɱɢɤɚ 1
ȿɫɥɢ ɜ ɞɚɧɧɵɣ ɛɢɬ ɡɚɩɢɫɚɧɚ ɥɨɝ. 1 ɢ ɭɫɬɚɧɨɜɥɟɧ ɮɥɚɝ I ɜ ɪɟɝɢɫɬɪɟ ɫɬɚɬɭɫɚ,
ɬɨ ɪɚɡɪɟɲɚɟɬɫɹ ɩɪɟɪɵɜɚɧɢɟ ɩɨ ɩɟɪɟɩɨɥɧɟɧɢɸ ɬɚɣɦɟɪɚ-ɫɱɟɬɱɢɤɚ 1. ɉɨɫɥɟ ɷɬɨɝɨ,
ɭɫɬɚɧɨɜɤɚ ɮɥɚɝɚ
TOV1 ɜ ɪɟɝɢɫɬɪɟ TIFR ɩɪɢɜɟɞɟɬ ɤ ɩɟɪɟɯɨɞɭ ɧɚ ɫɨɨɬɜɟɬɫɬɜɭɸ-
ɳɢɣ ɜɟɤɬɨɪ ɩɪɟɪɵɜɚɧɢɹ.
ȼ ɬɚɛɥɢɰɟ 27 ɩɪɟɞɫɬɚɜɥɟɧ ɪɟɝɢɫɬɪ ɮɥɚɝɨɜ ɩɪɟɪɵɜɚɧɢɣ ɬɚɣɦɟɪɨɜ-ɫɱɟɬɱɢɤɨɜ
TIFR.

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