ATMEGA645P-AU Atmel, ATMEGA645P-AU Datasheet - Page 324
ATMEGA645P-AU
Manufacturer Part Number
ATMEGA645P-AU
Description
IC MCU AVR 64K FLASH 64TQFP
Manufacturer
Atmel
Series
AVR® ATmegar
Specifications of ATMEGA645P-AU
Core Processor
AVR
Core Size
8-Bit
Speed
16MHz
Connectivity
SPI, UART/USART, USI
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
54
Program Memory Size
64KB (32K x 16)
Program Memory Type
FLASH
Eeprom Size
2K x 8
Ram Size
4K 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
Company
Part Number
Manufacturer
Quantity
Price
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27.3
324
Speed Grades
ATmega165A/165PA/325A/325PA/3250A/3250PA/645A/645P/645
Maximum frequency is depending on V
Frequency vs. V
Figure 27-1. Maximum Frequency vs. V
Figure 27-2. Maximum Frequency vs. V
20 MHz
10 MHz
4 MHz
16 MHz
4 MHz
8 MHz
1.8V
ATmega325A/ATmega325PA/ATmega3250A/ATmega3250PA/ATmega6450A/
ATmega6450P
CC
1.8V
curve is linear between 1.8V < V
2.7V
2.7V
CC.
CC
CC
As shown in
, ATmega165A/165PA/ATmega645A/ATmega645P
(10 - 20MHz)
Safe Operating Area
Safe Operating Area
CC
< 2.7V and between 2.7V < V
Figure 27-1 on page
4.5V
4.5V
324, the Maximum
5.5V
8285B–AVR–03/11
CC
5.5V
< 4.5V.
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