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Z8F082ASH020SC датащи(PDF) 72 Page - Zilog, Inc. |
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Z8F082ASH020SC датащи(HTML) 72 Page - Zilog, Inc. |
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72 / 244 page ![]() PS024705-0405 P R E L I M I N A R Y Interrupt Controller Z8 Encore! XP® F08xA Series Product Specification 54 T1ENL—Timer 1 Interrupt Request Enable Low Bit T0ENL—Timer 0 Interrupt Request Enable Low Bit U0RENL—UART 0 Receive Interrupt Request Enable Low Bit U0TENL—UART 0 Transmit Interrupt Request Enable Low Bit ADCENL—ADC Interrupt Request Enable Low Bit IRQ1 Enable High and Low Bit Registers Table 38 describes the priority control for IRQ1. The IRQ1 Enable High and Low Bit reg- isters (Tables 39 and 40) form a priority encoded enabling for interrupts in the Interrupt Request 1 register. Priority is generated by setting bits in each register. PA6CENH—Port A Bit[6] or Comparator Interrupt Request Enable High Bit PAxENH—Port A Bit[x] Interrupt Request Enable High Bit Refer to the Shared Interrupt Select register for selection of either Port A or Port D as the interrupt source. Table 38. IRQ1 Enable and Priority Encoding IRQ1ENH[x]IRQ1ENL[x] Priority Description 0 0 Disabled Disabled 0 1 Level 1 Low 1 0 Level 2 Nominal 11 Level 3 High where x indicates the register bits from 0–7. Table 39. IRQ1 Enable High Bit Register (IRQ1ENH) BITS 7 6 5 4 3 2 1 0 FIELD PA7ENH PA6CENH PA5ENH PA4ENH PA3ENH PA2ENH PA1ENH PA0ENH RESET 0 000 00 00 R/W R/WR/W R/WR/W R/WR/W R/WR/W ADDR FC4H |
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