atmega3250v-8auatmega325v-8ai ATMEL Corporation, atmega3250v-8auatmega325v-8ai Datasheet - Page 76
atmega3250v-8auatmega325v-8ai
Manufacturer Part Number
atmega3250v-8auatmega325v-8ai
Description
Atmega3250 8-bit Microcontroller With In-system Programmable Flash
Manufacturer
ATMEL Corporation
Datasheet
1.ATMEGA3250V-8AUATMEGA325V-8AI.pdf
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14.3.6
76
ATmega325/3250/645/6450
Alternate Functions of Port H
Table 14-15. Overriding Signals for Alternate Functions in PG4 and PG3
Port H is only present in ATmega3250/6450. The alternate pin configuration is as follows:
Table 14-16. Port H Pins Alternate Functions
The alternate pin configuration is as follows:
• PCINT23 – Port H, Bit 7
PCINT23, Pin Change Interrupt Source 23: The PH7 pin can serve as an external interrupt
source.
• PCINT22 – Port H, Bit 6
PCINT22, Pin Change Interrupt Source 22: The PH6 pin can serve as an external interrupt
source.
• PCINT21 – Port H, Bit 5
PCINT21, Pin Change Interrupt Source 21: The PH5 pin can serve as an external interrupt
source.
Signal Name
PUOE
PUOV
DDOE
DDOV
PVOE
PVOV
PTOE
DIEOE
DIEOV
DI
AIO
Port Pin
PH7
PH6
PH5
PH4
PH3
PH2
PH1
PH0
Alternate Function
PCINT23 (Pin Change Interrupt23)
PCINT22 (Pin Change Interrupt22)
PCINT21 (Pin Change Interrupt21)
PCINT20 (Pin Change Interrupt20)
PCINT19 (Pin Change Interrupt19)
PCINT18 (Pin Change Interrupt18)
PCINT17 (Pin Change Interrupt17)
PCINT16 (Pin Change Interrupt16)
PG4/T0
0
0
0
0
0
0
–
0
0
T0 INPUT
-
PG3/T1
0
0
0
0
0
0
–
0
0
T1 INPUT
-
2570L–AVR–08/07
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