ATMEGA1284-PU Atmel, ATMEGA1284-PU Datasheet - Page 8
![IC MCU AVR 128K FLASH 40PDIP](/photos/6/70/67049/453-40-dip_sml.jpg)
ATMEGA1284-PU
Manufacturer Part Number
ATMEGA1284-PU
Description
IC MCU AVR 128K FLASH 40PDIP
Manufacturer
Atmel
Series
AVR® ATmegar
Specifications of ATMEGA1284-PU
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
40-DIP (0.600", 15.24mm)
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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2.3.7
2.3.8
2.3.9
2.3.10
2.3.11
8272A–AVR–01/10
RESET
XTAL1
XTAL2
AVCC
AREF
Reset input. A low level on this pin for longer than the minimum pulse length will generate a
reset, even if the clock is not running. The minimum pulse length is given in
Characteristics” on page
Input to the inverting Oscillator amplifier and input to the internal clock operating circuit.
Output from the inverting Oscillator amplifier.
AVCC is the supply voltage pin for Port A and the Analog-to-digital Converter. It should be exter-
nally connected to V
to V
This is the analog reference pin for the Analog-to-digital Converter.
164A/164PA/324A/324PA/644A/644PA/1284/1284P
CC
through a low-pass filter.
CC
, even if the ADC is not used. If the ADC is used, it should be connected
335. Shorter pulses are not guaranteed to generate a reset.
”System and Reset
8
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