ATMEGA645P-MU Atmel, ATMEGA645P-MU Datasheet - Page 545
![IC MCU AVR 64K FLASH 64QFN](/photos/12/13/121326/313-64-qfn_sml.jpg)
ATMEGA645P-MU
Manufacturer Part Number
ATMEGA645P-MU
Description
IC MCU AVR 64K FLASH 64QFN
Manufacturer
Atmel
Series
AVR® ATmegar
Specifications of ATMEGA645P-MU
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-VFQFN Exposed Pad
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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8285B–AVR–03/11
ATmega165A/165PA/325A/325PA/3250A/3250PA/6
Figure 29-411.ATmega645A: Watchdog Oscillator Frequency vs. Temperature
Figure 29-412.ATmega645A: Calibrated 8MHz RC Oscillator Frequency vs. Temperature
1290
1260
1230
1200
1170
1140
1110
1080
1050
8.2
8.1
7.9
7.8
7.7
7.6
7.5
7.4
7.3
8
-45
-45
-35
-35
-25
-25
-15
-15
-5
-5
5
5
Temperature (°C)
Temperature (°C)
15
15
25
25
35
35
45
45
55
55
65
65
75
75
85
85
5.5 V
5.0 V
4.5 V
4.0 V
3.3 V
2.7 V
1.8 V
5.5 V
4.0 V
3.3 V
2.7 V
1.8 V
545
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