ATMEGA645P-AU Atmel, ATMEGA645P-AU Datasheet - Page 578
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
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Manufacturer
Quantity
Price
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ATmega165A/165PA/325A/325PA/3250A/3250PA/645A/645P/645
Figure 29-474.ATmega645P: Calibrated 8MHz RC Oscillator Frequency vs. V
Figure 29-475.ATmega645P: Calibrated 8MHz RC Oscillator Frequency vs. Osccal Value
8.2
8.1
7.9
7.8
7.7
7.6
7.5
7.4
7.3
18
16
14
12
10
8
6
4
2
8
1.5
0
16
32
2
48
2.5
64
80
96 112 128 144 160 176 192 208 224 240 256
3
OSCCAL (X1)
V
CC
3.5
(V)
4
4.5
5
CC
5.5
8285B–AVR–03/11
-45 °C
-45 °C
85 °C
25 °C
85 °C
25 °C
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