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ATMEGA649 Datasheet(PDF) 82 Page - ATMEL Corporation |
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ATMEGA649 Datasheet(HTML) 82 Page - ATMEL Corporation |
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82 / 375 page  82 ATmega329/3210/649/6410 2552H–AVR–11/06 • PCINT17/SEG – Port H, Bit 1 PCINT17, Pin Change Interrupt Source 17: The P1 pin can serve as an external inter- rupt source. SEG, LCD front plane 9. • PCINT16/SEG – Port H, Bit 0 PCINT16, Pin Change Interrupt Source 16: The PH0 pin can serve as an external inter- rupt source. SEG, LCD front plane 10. Table 49 and Table 50 relates the alternate functions of Port H to the overriding signals shown in Figure 27 on page 65. Table 49. Overriding Signals for Alternate Functions in PH7:4 Signal Name PH7/PCINT23/ SEG36 PH6/PCINT22/ SEG37 PH5/PCINT21/ SEG38 PH4/PCINT20/ SEG39 PUOE LCDEN LCDEN LCDEN LCDEN PUOV 000 0 DDOE LCDEN LCDEN LCDEN LCDEN DDOV 0 0 0 0 PVOE 000 0 PVOV 000 0 PTOE ––– – DIEOE PCINT23 • PCIE0 •LCDEN • LCDPM PCINT22 • PCIE0 •LCDEN • LCDPM PCINT21 • PCIE0 •LCDEN • LCDPM PCINT20 • PCIE0 •LCDEN • LCDPM DIEOV DI PCINT23 INPUT PCINT22 INPUT PCINT21 INPUT PCINT20 INPUT AIO LCDSEG LCDSEG LCDSEG LCDSEG |
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