ATMEGA3250P-20AUR Atmel, ATMEGA3250P-20AUR Datasheet - Page 146
ATMEGA3250P-20AUR
Manufacturer Part Number
ATMEGA3250P-20AUR
Description
MCU AVR 32K FLASH 20MHZ 100TQFP
Manufacturer
Atmel
Series
AVR® ATmegar
Datasheet
1.ATMEGA3250P-20AU.pdf
(364 pages)
Specifications of ATMEGA3250P-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
69
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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ATmega325P/3250P
Figure 16-10. Timer/Counter Timing Diagram, Setting of OCF2A, with Prescaler (f
Figure 16-11
Figure 16-11. Timer/Counter Timing Diagram, Clear Timer on Compare Match mode, with Pres-
TCNTn
TCNTn
(clk
(clk
OCRnx
OCFnx
(CTC)
OCRnx
OCFnx
clk
clk
clk
clk
I/O
I/O
I/O
I/O
Tn
Tn
/8)
/8)
shows the setting of OCF2A and the clearing of TCNT2 in CTC mode.
caler (f
clk_I/O
OCRnx - 1
TOP - 1
/8)
TOP
OCRnx
OCRnx Value
TOP
BOTTOM
OCRnx + 1
BOTTOM + 1
OCRnx + 2
8023F–AVR–07/09
clk_I/O
/8)
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