Rainbow Electronics ATmega3290P_V User 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