ATMEGA325A-MU Atmel, ATMEGA325A-MU Datasheet - Page 104
![IC MCU AVR 32K FLASH 64VQFN](/photos/12/13/121326/313-64-qfn_sml.jpg)
ATMEGA325A-MU
Manufacturer Part Number
ATMEGA325A-MU
Description
IC MCU AVR 32K FLASH 64VQFN
Manufacturer
Atmel
Series
AVR® ATmegar
Specifications of ATMEGA325A-MU
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-VFQFN Exposed Pad
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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ATmega165A/165PA/325A/325PA/3250A/3250PA/645A/645P/645
Figure 14-10. Timer/Counter Timing Diagram, Setting of OCF0A, with Prescaler (f
Figure 14-11
Figure 14-11. Timer/Counter Timing Diagram, Clear Timer on Compare Match mode, with Pres-
TCNTn
TCNTn
(clk
(clk
OCRnx
OCRnx
OCFnx
(CTC)
OCFnx
clk
clk
clk
clk
I/O
I/O
I/O
Tn
I/O
Tn
/8)
/8)
shows the setting of OCF0A and the clearing of TCNT0 in CTC mode.
caler (f
clk_I/O
OCRnx - 1
TOP - 1
/8)
OCRnx
TOP
OCRnx Value
TOP
OCRnx + 1
BOTTOM
BOTTOM + 1
OCRnx + 2
8285B–AVR–03/11
clk_I/O
/8)
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