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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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AT89C5130A-RDTUM датащи(PDF) 79 Page - ATMEL Corporation |
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AT89C5130A-RDTUM датащи(HTML) 79 Page - ATMEL Corporation |
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79 / 188 page  79 4337K–USB–04/08 AT89C5130A/31A-M 16. Interrupt System 16.1 Overview The AT89C5130A/31A-M has a total of 11 interrupt vectors: two external interrupts (INT0 and INT1), three timer interrupts (timers 0, 1 and 2), the serial port interrupt, SPI interrupt, Keyboard interrupt, USB interrupt and the PCA global interrupt. These interrupts are shown in Figure 16-1. Figure 16-1. Interrupt Control System Each of the interrupt sources can be individually enabled or disabled by setting or clearing a bit in the Interrupt Enable register (Table 16-2). This register also contains a global disable bit, which must be cleared to disable all interrupts at once. IE1 0 3 High priority interrupt Interrupt Polling Sequence, Decreasing From High-to-Low Priority Low Priority Interrupt Global Disable Individual Enable EXF2 TF2 TI RI TF0 INT0 INT1 TF1 IPH, IPL IE0 0 3 0 3 0 3 0 3 0 3 0 3 PCA IT KBD IT SPI IT 0 3 0 3 0 3 UEPINT USBINT 0 3 TWI IT IT0 TCON.0 IT1 TCON.2 |
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