ATMEGA1284-AU Atmel, ATMEGA1284-AU Datasheet - Page 327
ATMEGA1284-AU
Manufacturer Part Number
ATMEGA1284-AU
Description
IC MCU AVR 128K FLASH 44TQFP
Manufacturer
Atmel
Series
AVR® ATmegar
Specifications of ATMEGA1284-AU
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-TQFP, 44-VQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
ATMEGA1284-AU
Manufacturer:
ATMEL
Quantity:
1 200
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27. Electrical Characteristics
Absolute Maximum Ratings*
27.1
Table 27-1.
8272A–AVR–01/10
Operating Temperature.................................. -55°C to +125°C
Storage Temperature ..................................... -65°C to +150°C
Voltage on any Pin except RESET
with respect to Ground ................................-0.5V to V
Voltage on RESET with respect to Ground......-0.5V to +13.0V
Maximum Operating Voltage ............................................ 6.0V
DC Current per I/O Pin ............................................... 40.0 mA
DC Current
Symbol
V
V
V
V
V
V
V
V
I
I
R
R
IL
IH
IL
IL1
IL2
IH
IH1
IH2
OL
OH
RST
PU
DC Characteristics
Parameter
Input Low Voltage,Except
XTAL1 and Reset pin
Input Low Voltage,
XTAL1 pin
Input Low Voltage,
RESET pin
Input High Voltage,
Except XTAL1 and
RESET pins
Input High Voltage,
XTAL1 pin
Input High Voltage,
RESET pin
Output Low Voltage
Output High Voltage
Input Leakage
Current I/O Pin
Input Leakage
Current I/O Pin
Reset Pull-up Resistor
I/O Pin Pull-up Resistor
V
CC
T
A
and GND Pins................................ 200.0 mA
= -40°C to 85°C, V
164A/164PA/324A/324PA/644A/644PA/1284/1284P
(3)
(4)
,
,
CC
I
I
Condition
V
V
V
V
V
V
V
V
V
I
I
V
(absolute value)
V
(absolute value)
OL
OL
OH
OH
= 1.8V to 5.5V (unless otherwise noted)
CC
CC
CC
CC
CC
CC
CC
CC
CC
CC
CC
= 20 mA, V
= 10 mA, V
= -20 mA, V
= -10 mA, V
= 1.8V - 2.4V
= 2.4V - 5.5V
= 1.8V - 5.5V
= 1.8V - 5.5V
= 1.8V - 2.4V
= 2.4V - 5.5V
= 1.8V - 2.4V
= 2.4V - 5.5V
= 1.8V - 5.5V
= 5.5V, pin low
= 5.5V, pin high
CC
CC
CC
+0.5V
CC
CC
= 5V
= 3V
= 5V
= 3V
*NOTICE:
0.7V
0.6V
0.8V
0.7V
0.9V
Min.
-0.5
-0.5
-0.5
-0.5
4.2
2.3
30
20
CC
CC
CC
CC
CC
(2)
(2)
(2)
(2)
(2)
Stresses beyond those listed under “Absolute
Maximum Ratings” may cause permanent dam-
age to the device. This is a stress rating only and
functional operation of the device at these or
other conditions beyond those indicated in the
operational sections of this specification is not
implied. Exposure to absolute maximum rating
conditions for extended periods may affect
device reliability.
Typ.
V
V
V
V
V
0.2V
0.3V
0.1V
0.1V
CC
CC
CC
CC
CC
Max.
0.9
0.6
60
50
1
1
+ 0.5
+ 0.5
+ 0.5
+ 0.5
+ 0.5
CC
CC
CC
CC
(1)
(1)
(1)
(1)
Units
kΩ
kΩ
µA
µA
V
V
V
V
V
V
V
V
327
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