atmega3250v-8auatmega325v-8ai ATMEL Corporation, atmega3250v-8auatmega325v-8ai Datasheet - Page 77

• Manufacturer Part Number: atmega3250v-8auatmega325v-8ai
• Description: Atmega3250 8-bit Microcontroller With In-system Programmable Flash
• Manufacturer: ATMEL Corporation

2570L–AVR–08/07
• PCINT20 – Port H, Bit 4
PCINT20, Pin Change Interrupt Source 20: The PH4 pin can serve as an external interrupt
source.
• PCINT19 – Port H, Bit 3
PCINT19, Pin Change Interrupt Source 19: The PH3 pin can serve as an external interrupt
source.
• PCINT18 – Port H, Bit 2
PCINT18, Pin Change Interrupt Source 18: The PH2 pin can serve as an external interrupt
source.
• PCINT17 – Port H, Bit 1
PCINT17, Pin Change Interrupt Source 17: The P1 pin can serve as an external interrupt
source.
• PCINT16 – Port H, Bit 0
PCINT16, Pin Change Interrupt Source 16: The PH0 pin can serve as an external interrupt
source.
Table 14-17
shown in
Table 14-17. Overriding Signals for Alternate Functions in PH7:4
Signal
Name
PUOE
PUOV
DDOE
DDOV
PVOE
PVOV
PTOE
DIEOE
DIEOV
DI
AIO
Figure 14-5 on page
and
PH7/PCINT23
0
0
0
0
0
0
–
PCINT23 •
PCIE0
0
PCINT23 INPUT
–
Table 14-18
relates the alternate functions of Port H to the overriding signals
65.
PH6/PCINT22
0
0
0
0
0
0
–
PCINT22 •
PCIE0
0
PCINT22 INPUT
–
ATmega325/3250/645/6450
PH5/PCINT21
0
0
0
0
0
0
–
PCINT21 •
PCIE0
0
PCINT21 INPUT
–
PH4/PCINT20
0
0
0
0
0
0
–
PCINT20 •
PCIE0
0
PCINT20 INPUT
–
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