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M16C/29 Datasheet(PDF) 351 Page - Renesas Technology Corp |
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M16C/29 Datasheet(HTML) 351 Page - Renesas Technology Corp |
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351 / 499 page  19. Programmable I/O Ports p u o r G 9 2 / C 6 1 M page 327 8 5 4 f o 7 0 0 2 , 0 3 .r a M 2 1 . 1 . v e R 2 1 1 0 - 1 0 1 0 B 9 0 J E R Figure 19.11 NDDR and P17DDR Registers NMI Digital Debounce Register (1,2) Symbol Address After Reset NDDR 033E16 FF16 RW b7 b0 Function RW Setting Range 0016 to FF16 If the set value =n, - n = 0 to FE16; a signal with pulse width, greater than (n+1)/f8, is input into NMI / SD - n = FF16; the digital debounce filter is disabled and all signals are input P17 Digital Debounce Register(1) Symbol Address After Reset P17DDR 033F16 FF16 RW b7 b0 Function RW Setting Range 0016 to FF16 If the set value =n, - n = 0 to FE16; a signal with pulse width, greater than (n+1)/f8, is input into INPC17/ INT5 - n = FF16; the digital debounce filter is disabled and all signals are input NOTES: 1. Set the PACR register by the next instruction after setting the PRC2 bit in the PRCR register to 1 (write enable). 2. When using the NMI interrupt to exit from stop mode, set the NDDR registert to FF16 before entering stop mode. NOTE: 1. When using the INT5 interrupt to exit from stop mode, set the P17DDR registert to FF16 before entering stop mode. |
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