ATMEGA1284-MU Atmel, ATMEGA1284-MU Datasheet - Page 538
![IC MCU AVR 128K FLASH 44QFN](/photos/12/13/121316/313-44-qfn_sml.jpg)
ATMEGA1284-MU
Manufacturer Part Number
ATMEGA1284-MU
Description
IC MCU AVR 128K FLASH 44QFN
Manufacturer
Atmel
Series
AVR® ATmegar
Specifications of ATMEGA1284-MU
Core Processor
AVR
Core Size
8-Bit
Speed
20MHz
Connectivity
I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
32
Program Memory Size
128KB (64K x 16)
Program Memory Type
FLASH
Eeprom Size
4K x 8
Ram Size
16K 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
44-VQFN Exposed Pad
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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28.8.9
8272A–AVR–01/10
Pin Threshold and Hysteresis
Figure 28-369.ATmega1284P: I/O Pin Output Voltage vs. Source Current (V
Figure 28-370.ATmega1284P: I/O Pin Input Threshold vs. V
164A/164PA/324A/324PA/644A/644PA/1284/1284P
2.5
1.5
0.5
3.5
2.5
1.5
0.5
3
2
1
0
3
2
1
0
1.5
0
2
2
4
2.5
6
3
8
I
V
OH
CC
3.5
10
(mA)
(V)
12
4
CC
14
(V
4.5
IH
16
, I/O Pin Read as ‘1’)
5
18
CC
= 3V)
5.5
20
-40 °C
-40 °C
85 °C
25 °C
25 °C
85 °C
538
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