ATMEGA325P-20AUR Atmel, ATMEGA325P-20AUR Datasheet - Page 83
ATMEGA325P-20AUR
Manufacturer Part Number
ATMEGA325P-20AUR
Description
MCU AVR 32K FLASH 20MHZ 64TQFP
Manufacturer
Atmel
Series
AVR® ATmegar
Datasheet
1.ATMEGA3250P-20AU.pdf
(364 pages)
Specifications of ATMEGA325P-20AUR
Core Processor
AVR
Core Size
8-Bit
Speed
20MHz
Connectivity
SPI, UART/USART, USI
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
54
Program Memory Size
32KB (16K x 16)
Program Memory Type
FLASH
Eeprom Size
1K x 8
Ram Size
2K x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
*
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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Manufacturer
Quantity
Price
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8023F–AVR–07/09
• PCINT27 – Port J, Bit 3
PCINT27, Pin Change Interrupt Source 27: The PE27 pin can serve as an external interrupt
source.
• PCINT26 – Port J, Bit 2
PCINT26, Pin Change Interrupt Source 26: The PE26 pin can serve as an external interrupt
source.
• PCINT25 – Port J, Bit 1
PCINT25, Pin Change Interrupt Source 25: The PE25 pin can serve as an external interrupt
source.
• PCINT24 – Port J, Bit 0
PCINT24, Pin Change Interrupt Source 24: The PE24 pin can serve as an external interrupt
source.
Table 13-20
shown in
Table 13-20. Overriding Signals for Alternate Functions in PJ7:4
Signal Name
PUOE
PUOV
DDOE
DDOV
PVOE
PVOV
PTOE
DIEOE
DIEOV
DI
AIO
Figure 13-5 on page
and
PJ7
0
0
0
0
0
0
–
0
0
–
–
Table 13-21
69.
relates the alternate functions of Port J to the overriding signals
PJ6/PCINT30
0
0
0
0
0
0
–
PCINT30 • PCIE0
0
–
–
PJ5/PCINT29
0
0
0
0
0
0
–
PCINT29 • PCIE0
0
–
–
ATmega325P/3250P
PJ4/PCINT28
0
0
0
0
0
0
–
PCINT28 • PCIE0
0
–
–
83
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