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3819 Datasheet(PDF) 89 Page - Renesas Technology Corp |
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3819 Datasheet(HTML) 89 Page - Renesas Technology Corp |
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89 / 218 page  75 3819 Group USER’S MANUAL 2. APPLICATION MITSUBISHI MICROCOMPUTER 3819 Group 2.2 Timer Fig. 2.2.7 Structure of Interrupt request register 1 Fig. 2.2.8 Structure of Interrupt request register 2 Interrupt request register 1 b7 b6 b5 b4 b3 b2 b1 b0 B Function At reset RW 0 1 2 3 0 0 0 0 Interrupt request register 1 (IREQ1) [Address:3C16] Name INT0 interrupt request bit INT1/ZCR interrupt request bit 0 : No interrupt request 1 : Interrupt request 0 : No interrupt request 1 : Interrupt request 0 : No interrupt request 1 : Interrupt request 0 : No interrupt request 1 : Interrupt request Serial I/O 1 interrupt request bit Serial I/O automatic transfer interrupt request bit q q T T T T 4 5 6 7 0 0 0 0 Serial I/O 2 interrupt request bit Timer 1 interrupt request bit 0 : No interrupt request 1 : Interrupt request Serial I/O 3 interrupt request bit Timer 2 interrupt request bit 0 : No interrupt request 1 : Interrupt request 0 : No interrupt request 1 : Interrupt request 0 : No interrupt request 1 : Interrupt request T T T T T "0" is set by software, but not "1." INT2 interrupt request bit Remote control/counter overflow interrupt request bit q q Interrupt request register 2 b7 b6 b5 b4 b3 b2 b1 b0 b Function At reset RW 0 1 2 3 0 0 0 0 Interrupt request reigster 2 (IREQ2) [Address:3D16] Name Timer 3 interrupt request bit Timer 4 interrupt request bit Timer 5 interrupt request bit 0 : No interrupt request 1 : Interrupt request 0 : No interrupt request 1 : Interrupt request 0 : No interrupt request 1 : Interrupt request 0 : No interrupt request 1 : Interrupt request Timer 6 interrupt request bit T T T T 5 6 7 0 0 0 : No interrupt request 1 : Interrupt request Nothing is allocated for this bit. This is a write disabled bit. When this bit is read out, the value is "0." FLD blanking interrupt request bit FLD digit interrupt request bit q q INT4 interrupt request bit A-D conversion interrupt request bit q q 0 : No interrupt request 1 : Interrupt request T T T "0" is set by software, but not "1." 4 0 0 : No interrupt request 1 : Interrupt request INT3 interrupt request bit T 0 T |
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