ATMEGA1284-PU Atmel, ATMEGA1284-PU Datasheet - Page 341
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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Table 27-18. ADC Characteristics, Differential Channels (Continued)
Note:
8272A–AVR–01/10
Symbol
AVCC
R
V
V
V
V
REF
INT1
INT2
REF
IN
1. Values are guidelines only.
Parameter
Gain Error
Offset Error
Conversion Time
Clock Frequency
Analog Supply Voltage
Reference Voltage
Input Differential Voltage
ADC Conversion Output
Input Bandwidth
Internal Voltage Reference
Internal Voltage Reference
Reference Input Resistance
164A/164PA/324A/324PA/644A/644PA/1284/1284P
Condition
Gain = 1x
V
ADC clock = 200 kHz
Gain = 10x
V
ADC clock = 200 kHz
Gain = 200x
V
ADC clock = 200 kHz
Gain = 1x
V
ADC clock = 200 kHz
Gain = 10x
V
ADC clock = 200 kHz
Gain = 200x
V
ADC clock = 200 kHz
1.1V
2.56V
CC
CC
CC
CC
CC
CC
=5 V, V
=5 V, V
=5 V, V
=5 V, V
=5 V, V
=5 V, V
REF
REF
REF
REF
REF
REF
= 4V
= 4V
= 4V
= 4V
= 4V
= 4V
Min
V
-511
2.33
0.3
2.0
1.0
13
50
CC
0
(1)
-
Typ
2.56
1.5
1.1
18
19
32
-1
-1
1
4
(1)
Max
AVCC -
AVCC
V
1000
2.79
260
511
0.3
0.5
1.2
CC
(1)
+
Units
LSB
LSB
kHz
kHz
kΩ
µs
V
V
V
V
V
341
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