ATMEGA1284P-MUR Atmel, ATMEGA1284P-MUR Datasheet - Page 334

MCU AVR 128KB FLASH 20MHZ 44VQFN

ATMEGA1284P-MUR

Manufacturer Part Number
ATMEGA1284P-MUR
Description
MCU AVR 128KB FLASH 20MHZ 44VQFN
Manufacturer
Atmel
Series
AVR® ATmegar
Datasheets

Specifications of ATMEGA1284P-MUR

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
For Use With
ATSTK600 - DEV KIT FOR AVR/AVR32
Lead Free Status / RoHS Status
Lead free / RoHS Compliant

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
ATMEGA1284P-MUR
Manufacturer:
FREESCALE
Quantity:
593
27.3
Table 27-10. Calibration Accuracy of Internal RC Oscillator
Notes:
27.3.1
27.3.2
Table 27-11. External Clock Drive
8272A–AVR–01/10
Factory
Calibration
User
Calibration
Symbol
1/t
t
t
t
t
t
Δ
CLCL
CHCX
CLCX
CLCH
CHCL
t
CLCL
CLCL
Clock Characteristics
1. Voltage range for ATmega164A/164PA/324A/324PA/644A/644PA/1284/1284P.
External Clock Drive Waveforms
External Clock Drive
Parameter
Oscillator Frequency
Clock Period
High Time
Low Time
Rise Time
Fall Time
Change in period from one
clock cycle to the next
Figure 27-2. External Clock Drive Waveforms
164A/164PA/324A/324PA/644A/644PA/1284/1284P
7.3 - 8.1 MHz
Frequency
8.0 MHz
V
Min.
IL1
250
100
100
V
0
CC
V
IH1
=1.8 - 5.5V
1.8V - 5.5V
Max.
2.0
2.0
4
2
V
3V
CC
(1)
Min.
100
40
40
V
0
CC
=2.7 - 5.5V
Max.
Temperature
-40°C - 85°C
1.6
1.6
10
2
25°C
Min.
50
20
20
V
0
CC
=4.5 - 5.5V
Calibration Accuracy
Max.
0.5
0.5
20
2
±10%
±1%
Units
MHz
ns
ns
ns
μs
μs
%
334

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