Rainbow Electronics ATmega3290P_V - Manual (Page 82)

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 0 0 0 0
DDOE LCDEN LCDEN LCDEN LCDEN
DDOV 0 0 0 0
PVOE 0 0 0 0
PVOV 0 0 0 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