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M16C/29 датащи(PDF) 351 Page - Renesas Technology Corp

номер детали M16C/29
подробное описание детали  RENESAS MCU M16C FAMILY / M16C/Tiny SERIES
PDF  499 Pages
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производитель  RENESAS [Renesas Technology Corp]
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19. Programmable I/O Ports
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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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