Техника микропроцессорных систем в коммутации. Проектирование микропроцессорных систем на базе микроконтроллеров AVR фирмы Atmel. Горохин В.Н. - 6 стр.

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11
ȼ ɩɨɪɬɟ UART ɦɢɤɪɨɤɨɧɬɪɨɥɥɟɪɨɜ ɬɢɩɚ m16 ɪɟɝɢɫɬɪ ɭɩɪɚɜɥɟɧɢɹ ɜɦɟɫɬɨ
ɢɦɟɧɢ UCR ɢɦɟɟɬ ɢɦɹ UCSRB, ɚ ɪɟɝɢɫɬɪ ɫɨɫɬɨɹɧɢɹ ɜɦɟɫɬɨ ɢɦɟɧɢ USR — ɢɦɹ
UCSRA. Ɋɟɝɢɫɬɪ UCSRA ɢɦɟɟɬ ɞɨɩɨɥɧɢɬɟɥɶɧɵɣ ɪɚɡɪɹɞ ɆɊɋɆ. ɇɚɥɢɱɢɟ ɪɚɡ-
ɪɹɞɚ ɆɊɋɆ ɩɨɡɜɨɥɹɟɬ ɨɪɝɚɧɢɡɨɜɚɬɶ ɩɪɨɫɬɟɣɲɭɸ ɥɨɤɚɥɶɧɭɸ ɫɟɬɶ (ɦɭɥɶɬɢɩɪɨ-
ɰɟɫɫɨɪɧɭɸ ɫɢɫɬɟɦɭ).
ȼ ɦɢɤɪɨɤɨɧɬɪɨɥɥɟɪɟ ɬɢɩɚ m16, ɤɪɨɦɟ ɬɨɝɨ, ɪɟɝɢɫɬɪ UCSRA ɢɦɟɟɬ ɞɨɩɨɥ-
ɧɢɬɟɥɶɧɵɣ ɪɚɡɪɹɞ U2X, ɚ ɞɥɹ ɡɚɞɚɧɢɹ ɫɤɨɪɨɫɬɢ ɩɟɪɟɞɚɱɢ ɢɫɩɨɥɶɡɭɸɬɫɹ ɞɜɚ
ɪɟɝɢɫɬɪɚ – ɪɟɝɢɫɬɪ UBRR (ʋ$09) ɞɥɹ ɡɚɞɚɧɢɹ ɦɥɚɞɲɢɯ ɜɨɫɶɦɢ ɪɚɡɪɹɞɨɜ ɤɨɞɚ
ɱɢɫɥɚ ɢ ɪɟɝɢɫɬɪ UBRRHI (ʋ$20) ɞɥɹ ɡɚɞɚɧɢɹ ɫɬɚɪɲɢɯ ɱɟɬɵɪɟɯ ɪɚɡɪɹɞɨɜ ɤɨɞɚ
ɱɢɫɥɚ.
ȼɵɜɨɞɵ PD0 ɢ PD0 ɦɢɤɪɨɤɨɧɬɪɨɥɥɟɪɚ ATmega16 ɢɫɩɨɥɶɡɭɸɬɫɹ ɚɥɶɬɟɪɧɚ-
ɬɢɜɧɨ ɤɚɤ ɫɢɝɧɚɥɵ RXD ɢ TXD ɫɨɨɬɜɟɬɫɬɜɟɧɧɨ ɩɨɪɬɚ UART (USART).
ɍɩɪɚɜɥɟɧɢɟ USART ɨɫɭɳɟɫɬɜɥɹɟɬɫɹ ɱɟɪɟɡ ɪɟɝɢɫɬɪɵ ɜɜɨɞɚ/ɜɵɜɨɞɚ. ȼɤɨɧ-
ɬɪɨɥɥɟɪɟ ATmega16 ɞɥɹ ɭɩɪɚɜɥɟɧɢɹ ɢɫɩɨɥɶɡɭɟɬɫɹ 5 ɪɟɝɢɫɬɪɨɜ:
0
Ɋɟɝɢɫɬɪ UDR (UART Data Register) – ɪɟɝɢɫɬɪ ɞɚɧɧɵɯ UART;
0
Ɋɟɝɢɫɬɪ UCSRA (UART Control and Status Register A) – ɪɟɝɢɫɬɪ Ⱥ ɭɩɪɚɜ-
ɥɟɧɢɹ ɢ ɫɬɚɬɭɫɚ UART;
0
Ɋɟɝɢɫɬɪ UCSRB (UART Control and Status Register B) – ɪɟɝɢɫɬɪ ȼ ɭɩɪɚɜ-
ɥɟɧɢɹ ɢ ɫɬɚɬɭɫɚ UART;
0
Ɋɟɝɢɫɬɪɵ UBRRH1 ɢ UBRR (UART Baud Rate registers) – ɪɟɝɢɫɬɪɵ ɫɤɨɪɨ-
ɫɬɢ ɩɟɪɟɞɚɱɢ.
Ɋɟɝɢɫɬɪ ɞɚɧɧɵɯ UDR ɮɢɡɢɱɟɫɤɢ ɹɜɥɹɟɬɫɹ ɞɜɭɦɹ ɪɟɝɢɫɬɪɚɦɢ: ɪɟɝɢɫɬɪɨɦ
ɩɟɪɟɞɚɱɢ ɞɚɧɧɵɯ ɢ ɪɟɝɢɫɬɪɨɦ ɩɪɢɟɦɚ ɞɚɧɧɵɯ ɩɨ ɨɞɧɨɦɭ ɚɞɪɟɫɭ $0C ($2C).
ɋɤɨɪɨɫɬɶ ɨɛɦɟɧɚ ɞɚɧɧɵɦɢ ɜ UART ɡɚɞɚɟɬɫɹ ɫ ɩɨɦɨɳɶɸ 12-ɛɢɬɧɨɝɨ ɪɟɝɢ-
ɫɬɪɚ UBRR, ɤɨɬɨɪɵɣ ɪɚɡɦɟɳɚɟɬɫɹ ɜ ɞɜɭɯ 8-ɛɢɬɧɵɯ ɪɟɝɢɫɬɪɚɯ UBRR, UBRRH1.
ɍɫɬɚɧɨɜɥɟɧɧɵɣ ɜ ɫɨɫɬɨɹɧɢɟ 1 ɛɢɬ TXEN ɪɟɝɢɫɬɪɚ UCSRB ɪɚɡɪɟɲɚɟɬ ɩɟɪɟ-
ɞɚɱɭ ɞɚɧɧɵɯ UART. ɉɟɪɟɞɚɱɚ ɢɧɢɰɢɢɪɭɟɬɫɹ ɡɚɩɢɫɶɸ ɩɟɪɟɞɚɜɚɟɦɵɯ ɞɚɧɧɵɯ ɜ
ɪɟɝɢɫɬɪ ɞɚɧɧɵɯ UDR. Ⱦɚɧɧɵɟ ɩɟɪɟɫɵɥɚɸɬɫɹ ɢɡ UDR ɜ ɫɞɜɢɝɨɜɵɣ ɪɟɝɢɫɬɪ ɩɟ-
ɪɟɞɚɱɢ ɜ ɫɥɟɞɭɸɳɢɯ ɫɥɭɱɚɹɯ:
0
ɇɨɜɵɣ ɫɢɦɜɨɥ ɡɚɩɢɫɚɧ ɜ UDR ɩɨɫɥɟ ɬɨɝɨ ɤɚɤ ɛɵɥ ɜɵɜɟɞɟɧ ɢɡ ɪɟɝɢɫɬɪɚ
ɫɬɨɥɨɜɵɣ ɛɢɬ ɩɪɟɞɲɟɫɬɜɨɜɚɜɲɟɝɨ ɫɢɦɜɨɥɚ. ɋɞɜɢɝɨɜɵɣ ɪɟɝɢɫɬɪ ɡɚɝɪɭɠɚɟɬɫɹ
ɧɟɦɟɞɥɟɧɧɨ.
0
ɇɨɜɵɣ ɫɢɦɜɨɥ ɡɚɩɢɫɚɧ ɜ UDR ɩɪɟɠɞɟ, ɱɟɦ ɛɵɥ ɜɵɜɟɞɟɧ ɫɬɨɥɨɜɵɣ ɛɢɬ
ɩɪɟɞɲɟɫɬɜɨɜɚɜɲɟɝɨ ɫɢɦɜɨɥɚ. ɋɞɜɢɝɨɜɵɣ ɪɟɝɢɫɬɪ ɡɚɝɪɭɠɚɟɬɫɹ ɩɨɫɥɟ ɜɵɯɨɞɚ
ɫɬɨɩɨɜɨɝɨ ɛɢɬɚ ɩɟɪɟɞɚɜɚɟɦɨɝɨ ɫɢɦɜɨɥɚ, ɧɚɯɨɞɢɜɲɟɝɨɫɹ ɜ ɫɞɜɢɝɨɜɨɦ ɪɟ-
ɝɢɫɬɪɟ.
ȿɫɥɢ ɢɡ 10(11)-ɪɚɡɪɹɞɧɨɝɨ ɫɞɜɢɝɨɜɨɝɨ ɪɟɝɢɫɬɪɚ ɩɟɪɟɞɚɱɢ ɜɵɜɟɞɟɧɚ
ɜɫɹ ɢɧɮɨɪɦɚɰɢɹ, ɭɫɬɚɧɚɜɥɢɜɚɟɬɫɹ ɛɢɬ UDRE. ɉɪɢ ɭɫɬɚɧɨɜɥɟɧɧɨɦ ɜ ɫɨɫɬɨɹɧɢɟ 1
ɛɢɬɟ UDRE ɩɪɢɟɦɨɩɟɪɟɞɚɬɱɢɤ ɝɨɬɨɜ ɩɪɢɧɹɬɶ ɫɥɟɞɭɸɳɢɣ ɫɢɦɜɨɥ. Ɂɚɩɢɫɶ ɜ
UDR ɨɱɢɳɚɟɬ ɛɢɬ UDRE. ȼ ɬɨ ɫɚɦɨɟ ɜɪɟɦɹ, ɤɨɝɞɚ ɞɚɧɧɵɟ ɩɟɪɟɫɵɥɚɸɬɫɹ ɢɡ
UDR ɜ 10(11)-ɪɚɡɪɹɞɧɵɣ ɫɞɜɢɝɨɜɵɣ ɪɟɝɢɫɬɪ, ɛɢɬ 0 ɫɞɜɢɝɨɜɨɝɨ ɪɟɝɢɫɬɪɚ ɫɛɪɚɫɵ-
ɜɚɟɬɫɹ ɜ ɫɨɫɬɨɹɧɢɟ 0 (ɫɨɫɬɨɹɧɢɟ 0 – ɫɬɚɪɬɨɜɵɣ ɛɢɬ), ɚɛɢɬ 9 ɢɥɢ 10 ɭɫɬɚɧɚɜɥɢɜɚ-
ɟɬɫɹ ɜ ɫɨɫɬɨɹɧɢɟ 1 (ɫɨɫɬɨɹɧɢɟ 1 – ɫɬɨɩɨɜɵɣ ɛɢɬ). ȿɫɥɢ ɜ ɪɟɝɢɫɬɪɟ ɭɩɪɚɜɥɟɧɢɹ
UCSRB ɭɫɬɚɧɨɜɥɟɧ ɛɢɬ CHR9 (ɬ.ɟ. ɜɵɛɪɚɧ ɪɟɠɢɦ 9-ɪɚɡɪɹɞɧɨɝɨ ɫɥɨɜɚ ɞɚɧɧɵɯ),
12
ɬɨ ɛɢɬ TXB8 ɪɟɝɢɫɬɪɚ UCSRB ɩɟɪɟɫɵɥɚɟɬɫɹ ɜ ɛɢɬ 9 ɫɞɜɢɝɨɜɨɝɨ ɪɟɝɢɫɬɪɚ ɩɟɪɟ-
ɞɚɱɢ. ɋɪɚɡɭ ɩɨɫɥɟ ɩɟɪɟɫɵɥɤɢ ɞɚɧɧɵɯ ɜ ɫɞɜɢɝɨɜɵɣ ɪɟɝɢɫɬɪ ɬɚɤɬɨɦ ɛɨɞ–
ɝɟɧɟɪɚɬɨɪɚ ɫɬɚɪɬɨɜɵɣ ɛɢɬ ɫɞɜɢɝɚɟɬɫɹ ɧɚ ɜɵɜɨɞ TxD. Ɂɚ ɧɢɦ ɫɥɟɞɭɟɬ LSB ɞɚɧ-
ɧɵɯ. Ʉɨɝɞɚ ɛɭɞɟɬ ɜɵɞɚɧ ɫɬɨɩɨɜɵɣ ɛɢɬ, ɫɞɜɢɝɨɜɵɣ ɪɟɝɢɫɬɪ ɡɚɝɪɭɠɚɟɬɫɹ ɧɨɜɨɣ
ɩɨɪɰɢɟɣ ɞɚɧɧɵɯ, ɟɫɥɢ ɨɧɚ ɛɵɥɚ ɡɚɩɢɫɚɧɚ ɜ UDR ɜɨ ɜɪɟɦɹ ɩɟɪɟɞɚɱɢ. ȼ ɩɪɨɰɟɫɫɟ
ɡɚɝɪɭɡɤɢ ɛɢɬ UDRE ɧɚɯɨɞɢɬɫɹ ɜ ɭɫɬɚɧɨɜɥɟɧɧɨɦ ɫɨɫɬɨɹɧɢɢ. ȿɫɥɢ ɠɟ ɧɨɜɵɟ ɞɚɧ-
ɧɵɟ ɧɟ ɛɭɞɭɬ ɡɚɝɪɭɠɟɧɵ ɜ UDR ɞɨ ɜɵɞɚɱɢ ɫɬɨɩɨɜɨɝɨ ɛɢɬɚ, ɮɥɚɝ UDRE ɨɫɬɚɟɬɫɹ
ɭɫɬɚɧɨɜɥɟɧɧɵɦ. ȼ ɷɬɨɦ ɫɥɭɱɚɟ, ɩɨɫɥɟ ɬɨɝɨ ɤɚɤ ɫɬɨɥɨɜɵɣ ɛɢɬ ɛɭɞɟɬ ɩɪɢɫɭɬɫɬɜɨ-
ɜɚɬɶ ɧɚ ɜɵɜɨɞɟ TxD ɜ ɬɟɱɟɧɢɟ ɨɞɧɨɝɨ ɬɚɤɬɚ, ɜ ɪɟɝɢɫɬɪɟ ɭɩɪɚɜɥɟɧɢɹ ɢ ɫɬɚɬɭɫɚ
UCSRA ɭɫɬɚɧɚɜɥɢɜɚɟɬɫɹ ɮɥɚɝ ɡɚɜɟɪɲɟɧɢɹ ɩɟɪɟɞɚɱɢ TxC .
Ʌɨɝɢɤɚ ɜɨɫɫɬɚɧɨɜɥɟɧɢɹ ɞɚɧɧɵɯ ɩɪɨɢɡɜɨɞɢɬ ɜɵɛɨɪɤɭ ɫɨɫɬɨɹɧɢɣ ɜɵɜɨɞɚ
RxD ɫ ɱɚɫɬɨɬɨɣ ɜ 16 ɪɚɡ ɛɨɥɶɲɟɣ, ɱɟɦ ɱɚɫɬɨɬɚ ɩɟɪɟɞɚɱɢ. ɉɪɢ ɧɚɯɨɠɞɟɧɢɢ ɥɢ-
ɧɢɢ ɜ ɩɚɫɫɢɜɧɨɦ ɫɨɫɬɨɹɧɢɢ ɨɞɢɧɨɱɧɚɹ ɜɵɛɨɪɤɚ ɧɭɥɟɜɨɝɨ ɥɨɝɢɱɟɫɤɨɝɨ ɭɪɨɜɧɹ
ɛɭɞɟɬ ɢɧɬɟɪɩɪɟɬɢɪɨɜɚɬɶɫɹ ɤɚɤ ɩɚɞɚɸɳɢɣ ɮɪɨɧɬ ɫɬɚɪɬɨɜɨɝɨ ɛɢɬɚ ɢ ɛɭɞɟɬ ɡɚɩɭ-
ɳɟɧɚ ɩɨɫɥɟɞɨɜɚɬɟɥɶɧɨɫɬɶ ɞɟɬɟɤɬɢɪɨɜɚɧɢɹ ɫɬɚɪɬɨɜɨɝɨ ɛɢɬɚ. ɋɱɢɬɚɟɬɫɹ, ɱɬɨ ɩɟɪ-
ɜɚɹ ɜɵɛɨɪɤɚ ɨɛɧɚɪɭɠɢɥɚ ɩɟɪɜɵɣ ɧɭɥɟɜɨɣ ɥɨɝɢɱɟɫɤɢɣ ɭɪɨɜɟɧɶ ɜɟɪɨɹɬɧɨɝɨ ɫɬɚɪ-
ɬɨɜɨɝɨ ɛɢɬɚ. ɇɚ ɜɵɛɨɪɤɚɯ 8, 9 ɢ 10 ɩɪɢɟɦɧɢɤ ɜɧɨɜɶ ɬɟɫɬɢɪɭɟɬ ɜɵɜɨɞ RxD ɧɚ ɢɡ-
ɦɟɧɟɧɢɟ ɥɨɝɢɱɟɫɤɢɯ ɫɨɫɬɨɹɧɢɣ. ȿɫɥɢ ɞɜɟ ɢɥɢ ɛɨɥɟɟ ɢɡ ɷɬɢɯ ɬɪɟɯ ɜɵɛɨɪɨɤ ɨɛɧɚ-
ɪɭɠɚɬ ɥɨɝɢɱɟɫɤɢɟ 1, ɬɨ ɞɚɧɧɵɣ ɜɟɪɨɹɬɧɵɣ ɫɬɚɪɬɨɜɵɣ ɛɢɬ ɨɬɜɟɪɝɚɟɬɫɹ ɤɚɤ ɲɭ-
ɦɨɜɨɣ ɜɫɩɥɟɫɤ ɢ ɩɪɢɟɦɧɢɤ ɧɚɱɧɟɬ ɜɵɹɜɥɹɬɶ ɢ ɚɧɚɥɢɡɢɪɨɜɚɬɶ ɫɥɟɞɭɸɳɢɟ ɩɟɪɟ-
ɯɨɞɵ ɢɡ 1 ɜ 0.
ȿɫɥɢ ɠɟ ɛɵɥ ɨɛɧɚɪɭɠɟɧ ɞɟɣɫɬɜɢɬɟɥɶɧɵɣ ɫɬɚɪɬɨɜɵɣ ɛɢɬ, ɬɨ ɧɚɱɢɧɚ-
ɟɬ ɩɪɨɢɡɜɨɞɢɬɶɫɹ ɜɵɛɨɪɤɚ ɫɥɟɞɭɸɳɢɯ ɡɚ ɫɬɚɪɬɨɜɵɦ ɛɢɬɨɦ ɢɧɮɨɪɦɚɰɢɨɧɧɵɯ
ɛɢɬɨɜ. ɗɬɢ ɛɢɬɵ ɬɚɤɠɟ ɬɟɫɬɢɪɭɸɬɫɹ ɧɚ ɜɵɛɨɪɤɚɯ 8,9 ɢ 10. Ʌɨɝɢɱɟɫɤɨɟ ɫɨɫɬɨɹ-
ɧɢɟ ɛɢɬɚ ɩɪɢɧɢɦɚɟɬɫɹ ɩɨ ɞɜɭɦ ɢ ɛɨɥɟɟ (ɢɡ ɬɪɟɯ) ɨɞɢɧɚɤɨɜɵɦ ɫɨɫɬɨɹɧɢɹɦ ɜɵɛɨ-
ɪɨɤ. ȼɫɟ ɛɢɬɵ ɜɜɨɞɹɬɫɹ ɜ ɫɞɜɢɝɨɜɵɣ ɪɟɝɢɫɬɪ ɩɪɢɟɦɧɢɤɚ ɫ ɬɟɦ ɡɧɚɱɟɧɢɟɦ, ɤɨɬɨ-
ɪɨɟ ɛɵɥɨ ɨɩɪɟɞɟɥɟɧɨ ɬɟɫɬɢɪɨɜɚɧɢɟɦ ɜɵɛɨɪɨɤ.
ɉɪɢ ɩɨɫɬɭɩɥɟɧɢɢ ɫɬɨɩɨɜɨɝɨ ɛɢɬɚ ɧɟɨɛɯɨɞɢɦɨ, ɱɬɨɛɵ ɧɟ ɦɟɧɟɟ ɞɜɭɯ ɜɵɛɨ-
ɪɨɤ ɢɡ ɬɪɟɯ ɩɨɞɬɜɟɪɞɢɥɢ ɩɪɢɟɦ ɫɬɨɩɨɜɨɝɨ ɛɢɬɚ (ɩɨɤɚɡɚɥɢ ɜɵɫɨɤɢɣ ɭɪɨɜɟɧɶ).
ȿɫɥɢ ɠɟ ɞɜɟ ɢɥɢ ɛɨɥɟɟ ɜɵɛɨɪɨɤ ɩɨɤɚɠɭɬ ɫɨɫɬɨɹɧɢɹ 0, ɬɨ ɩɪɢ ɩɟɪɟɫɵɥɤɟ ɩɪɢɧɹ-
ɬɨɝɨ ɛɚɣɬɚ ɜ UDR ɜ ɪɟɝɢɫɬɪɟ ɭɩɪɚɜɥɟɧɢɹ ɢ ɫɬɚɬɭɫɚ UCSRA ɭɫɬɚɧɚɜɥɢɜɚɟɬɫɹ ɛɢɬ
ɨɲɢɛɤɢ ɤɚɞɪɚ FE (Framing Error). Ⱦɥɹ ɨɛɧɚɪɭɠɟɧɢɹ ɨɲɢɛɤɢ ɤɚɞɪɚ ɩɨɥɶɡɨɜɚ-
ɬɟɥɶ ɩɟɪɟɞ ɱɬɟɧɢɟɦ ɪɟɝɢɫɬɪɚ UDR ɞɨɥɠɟɧ ɩɪɨɜɟɪɹɬɶ ɫɨɫɬɨɹɧɢɟ ɛɢɬɚ FE. Ɏɥɚɝ
FE ɨɱɢɳɚɟɬɫɹ ɩɪɢ ɫɱɢɬɵɜɚɧɢɢ ɫɨɞɟɪɠɢɦɨɝɨ ɪɟɝɢɫɬɪɚ ɞɚɧɧɵɯ UART (UDR).
ȼɧɟ ɡɚɜɢɫɢɦɨɫɬɢ ɨɬ ɬɨɝɨ ɩɪɢɧɹɬ ɩɪɚɜɢɥɶɧɵɣ ɫɬɨɥɨɜɵɣ ɛɢɬ ɢɥɢ ɧɟɬ, ɞɚɧ-
ɧɵɟ ɩɟɪɟɫɵɥɚɸɬɫɹ ɜ ɪɟɝɢɫɬɪ UDR ɢ ɭɫɬɚɧɚɜɥɢɜɚɟɬɫɹ ɮɥɚɝ RXC ɜ ɪɟɝɢɫɬɪɟ
ɭɩɪɚɜɥɟɧɢɹ UCSRA. Ɋɟɝɢɫɬɪ UDR ɮɚɤɬɢɱɟɫɤɢ ɹɜɥɹɟɬɫɹ ɞɜɭɦɹ ɮɢɡɢɱɟɫɤɢ ɨɬ-
ɞɟɥɶɧɵɦɢ ɪɟɝɢɫɬɪɚɦɢ, ɨɞɢɧ ɢɡ ɤɨɬɨɪɵɯ ɫɥɭɠɢɬ ɞɥɹ ɩɟɪɟɞɚɱɢ ɞɚɧɧɵɯ ɢ ɞɪɭɝɨɣ
ɞɥɹ ɩɪɢɟɦɚ. ɉɪɢ ɫɱɢɬɵɜɚɧɢɢ UDR ɨɛɪɚɳɟɧɢɟ ɜɟɞɟɬɫɹ ɤ ɪɟɝɢɫɬɪɭ ɩɪɢɟɦɚ ɞɚɧ-
ɧɵɯ, ɩɪɢ ɡɚɩɢɫɢ ɨɛɪɚɳɟɧɢɟ ɜɟɞɟɬɫɹ ɤ ɪɟɝɢɫɬɪɭ ɩɟɪɟɞɚɱɢ. ȿɫɥɢ ɜɵɛɪɚɧ ɪɟɠɢɦ
ɨɛɦɟɧɚ 9-ɪɚɡɪɹɞɧɵɦɢ ɫɥɨɜɚɦɢ ɞɚɧɧɵɯ (ɭɫɬɚɧɨɜɥɟɧ ɛɢɬ CHR9 ɪɟɝɢɫɬɪɚ UCR),
ɩɪɢ ɩɟɪɟɫɵɥɤɟ ɞɚɧɧɵɯ ɜ UDR ɛɢɬ RXB8 ɪɟɝɢɫɬɪɚ UCR ɡɚɝɪɭɠɚɟɬɫɹ ɢɡ ɞɟɜɹɬɨɝɨ
ɛɢɬɚ ɫɞɜɢɝɨɜɨɝɨ ɪɟɝɢɫɬɪɚ ɩɟɪɟɞɚɱɢ. ȿɫɥɢ ɩɨɫɥɟ ɩɨɥɭɱɟɧɢɹ ɫɢɦɜɨɥɚ ɤ
ɪɟɝɢɫɬɪɭ UDR ɧɟ ɛɵɥɨ ɨɛɪɚɳɟɧɢɹ, ɧɚɱɢɧɚɹ ɫ ɩɨɫɥɟɞɧɟɝɨ ɩɪɢɟɦɚ, ɜɪɟɝɢɫɬɪɟ

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