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7641 Datasheet(PDF) 149 Page - Renesas Technology Corp |
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7641 Datasheet(HTML) 149 Page - Renesas Technology Corp |
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149 / 385 page  Rev.2.00 Aug 28, 2006 page 18 of 148 7641 Group REJ09B0336-0200 APPLICATION 2.2 Timer Fig. 2.2.8 Structure of Interrupt request register B (3) 8-bit timer, 16-bit timer Interrupt request register B b7 b6 b5 b4 b3 b2 b1 b0 Interrupt request register B (IREQB : address 0316) b 0 1 2 3 4 5 6 7 Name 0 Functions At reset R W 0 0 0 0 0 0 UART1 summing error interrupt request bit UART2 summing error interrupt request bit Timer X interrupt request bit Timer 1 interrupt request bit UART2 transmit interrupt request bit 0 : No interrupt request issued 1 : Interrupt request issued 0 : No interrupt request issued 1 : Interrupt request issued 0 : No interrupt request issued 1 : Interrupt request issued 0 : No interrupt request issued 1 : Interrupt request issued 0 : No interrupt request issued 1 : Interrupt request issued 0 : No interrupt request issued 1 : Interrupt request issued 0 : No interrupt request issued 1 : Interrupt request issued 0 : No interrupt request issued 1 : Interrupt request issued UART2 receive buffer full interrupt request bit Timer Y interrupt request bit Timer 2 interrupt request bit 0 ✽ ✽ ✽ ✽ ✽ ✽ ✽ ✽ ✽: “0” can be set by software, but “1” cannot be set. Interrupt request register C b7 b6 b5 b4 b3 b2 b1 b0 Interrupt request register C (IREQC : address 0416) b 0 1 2 3 4 5 6 7 Name 0 Functions At reset R W 0 0 0 0 0 0 Timer 3 interrupt request bit Serial I/O interrupt request bit Input buffer full interrupt request bit Key input interrupt request bit CNTR1 interrupt request bit 0 : No interrupt request issued 1 : Interrupt request issued 0 : No interrupt request issued 1 : Interrupt request issued 0 : No interrupt request issued 1 : Interrupt request issued 0 : No interrupt request issued 1 : Interrupt request issued 0 : No interrupt request issued 1 : Interrupt request issued 0 : No interrupt request issued 1 : Interrupt request issued 0 : No interrupt request issued 1 : Interrupt request issued CNTR0 interrupt request bit Output buffer empty interrupt request bit 0 ✽ ✽ ✽ ✽ ✽ ✽ ✽ ✽: “0” can be set by software, but “1” cannot be set. 0 Fix this bit to “0”. Fig. 2.2.9 Structure of Interrupt request register C |
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