ATMEGA1284-MU Atmel, ATMEGA1284-MU Datasheet - Page 549

• 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

28.8.13
8272A–AVR–01/10
Current Consumption in Reset and Reset Pulsewidth
Figure 28-391.ATmega1284P: Watchdog Timer Current vs. V
Figure 28-392.ATmega1284P: Reset Supply Current vs. Low Frequency (0.1 - 1.0 MHz)
164A/164PA/324A/324PA/644A/644PA/1284/1284P
0.08
0.06
0.04
0.02
8.5
7.5
6.5
5.5
4.5
3.5
2.5
1.5
0.1
0
1.5
0
0.1
2
0.2
2.5
0.3
3
0.4
Frequency (MHz)
V
CC
0.5
3.5
(V)
0.6
4
0.7
CC
4.5
0.8
5
0.9
5.5
1
-40 °C
25 °C
85 °C
5.5 V
5.0 V
4.5 V
4.0 V
3.3 V
2.7 V
1.8 V
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