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AT83C5136-RDTUL 数据表(PDF) 62 Page - ATMEL Corporation |
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AT83C5136-RDTUL 数据表(HTML) 62 Page - ATMEL Corporation |
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62 / 171 page ![]() 62 AT83C5134/35/36 7683B–USB–03/07 Interrupt System Overview The AT83C5134/35/36 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 inter- rupt, Keyboard interrupt, USB interrupt and the PCA global interrupt. These interrupts are shown in Figure 31. Figure 31. Interrupt Control System 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 1 1 0 0 IT0 TCON.0 IT1 TCON.2 |
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