ATMEGA325A-AUR Atmel, ATMEGA325A-AUR Datasheet - Page 155
ATMEGA325A-AUR
Manufacturer Part Number
ATMEGA325A-AUR
Description
IC MCU AVR 32K FLASH 64TQFP
Manufacturer
Atmel
Series
AVR® ATmegar
Specifications of ATMEGA325A-AUR
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)
1.8 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
64-TQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
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Manufacturer
Quantity
Price
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8285B–AVR–03/11
ATmega165A/165PA/325A/325PA/3250A/3250PA/6
Table 17-3.
Table 17-4
PWM mode.
Table 17-4.
Note:
Table 17-5
correct PWM mode.
Table 17-5.
Note:
COM2A1
COM2A1
COM2A1
0
0
1
1
0
0
1
1
0
0
1
1
1. A special case occurs when OCR2A equals TOP and COM2A1 is set. In this case, the com-
1. A special case occurs when OCR2A equals TOP and COM2A1 is set. In this case, the com-
pare match is ignored, but the set or clear is done at TOP. See
for more details.
pare match is ignored, but the set or clear is done at TOP. See
page 147
shows the COM2A[1:0] bit functionality when the WGM2[1:0] bits are set to phase
shows the COM2A[1:0] bit functionality when the WGM2[1:0] bits are set to fast
Compare Output Mode, non-PWM Mode
Compare Output Mode, Fast PWM Mode
Compare Output Mode, Phase Correct PWM Mode
COM2A0
COM2A0
COM2A0
for more details.
0
1
0
1
0
1
0
1
0
1
0
1
Description
Normal port operation, OC2A disconnected.
Reserved
Clear OC2A on compare match, set OC2A at BOTTOM
(non-inverting mode).
Set OC2A on compare match, clear OC2A at BOTTOM
(inverting mode).
Description
Normal port operation, OC2A disconnected.
Reserved
Clear OC2A on compare match when up-counting. Set OC2A on
compare match when down counting.
Set OC2A on compare match when up-counting. Clear OC2A on
compare match when down counting.
Description
Normal port operation, OC2A disconnected.
Toggle OC2A on compare match.
Clear OC2A on compare match.
Set OC2A on compare match.
(1)
(1)
”Fast PWM Mode” on page 146
”Phase Correct PWM Mode” on
155
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