ATMEGA1281V-8MU Atmel, ATMEGA1281V-8MU Datasheet - Page 372
ATMEGA1281V-8MU
Manufacturer Part Number
ATMEGA1281V-8MU
Description
IC MCU AVR 128K FLASH 64-QFN
Manufacturer
Atmel
Series
AVR® ATmegar
Specifications of ATMEGA1281V-8MU
Core Processor
AVR
Core Size
8-Bit
Speed
8MHz
Connectivity
EBI/EMI, I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
54
Program Memory Size
128KB (64K x 16)
Program Memory Type
FLASH
Eeprom Size
4K x 8
Ram Size
8K 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
64-MLF®, 64-QFN
Processor Series
ATMEGA128x
Core
AVR8
Data Bus Width
8 bit
Data Ram Size
8 KB
Interface Type
2-Wire, SPI, USART
Maximum Clock Frequency
8 MHz
Number Of Programmable I/os
54
Number Of Timers
6
Operating Supply Voltage
2.7 V to 5.5 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
3rd Party Development Tools
EWAVR, EWAVR-BL
Minimum Operating Temperature
- 40 C
On-chip Adc
10 bit
For Use With
ATSTK600-TQFP64 - STK600 SOCKET/ADAPTER 64-TQFPATAVRDB101 - MODULE DISPLAY LCD/RGB BACKLIGHT770-1007 - ISP 4PORT ATMEL AVR MCU SPI/JTAGATAVRISP2 - PROGRAMMER AVR IN SYSTEMATJTAGICE2 - AVR ON-CHIP D-BUG SYSTEM
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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30.5
Table 30-3.
Note:
Table 30-4.
Note:
30.6
2549M–AVR–09/10
Symbol
V
V
V
V
t
t
V
t
I
RST
HYST
BOD
POT
PSR
RST
BG
BG
BG
System and Reset Characteristics
1. The Power-on Reset will not work unless the supply voltage has been below V
1. V
2-wire Serial Interface Characteristics
tested down to V
a voltage where correct operation of the microcontroller is no longer guaranteed. The test is performed using
BODLEVEL = 110 for 4 MHz operation of ATmega640V/1280V/1281V/2560V/2561V, BODLEVEL = 101 for 8 MHz operation
of ATmega640V/1280V/1281V/2560V/2561V and ATmega640/1280/1281, and BODLEVEL = 100 for 16 MHz operation of
ATmega640/1280/1281/2560/2561.
BOT
Parameter
Power-on Reset Threshold Voltage
(rising)
Power-on Reset Threshold Voltage
(falling)
Power-on slope rate
Minimum pulse width on RESET Pin
Brown-out Detector Hysteresis
Min Pulse Width on Brown-out Reset
Bandgap reference voltage
Bandgap reference start-up time
Bandgap reference current consumption
Reset, Brown-out and Internal voltage CharacteristicsCharacteristics
BODLEVEL Fuse Coding
RESET Pin Threshold Voltage
BODLEVEL 2:0 Fuses
may be below nominal minimum operating voltage for some devices. For devices where this is the case, the device is
(1)
111
110
101
100
011
010
001
000
CC
Table 30-5 on page 373
Bus. The ATmega640/1280/1281/2560/2561 2-wire Serial Interface meets or exceeds these
requirements under the noted conditions.
= V
BOT
during the production test. This guarantees that a Brown-Out Reset will occur before V
(1)
describes the requirements for devices connected to the 2-wire Serial
V
V
V
CC
CC
CC
=2.7V, T
=2.7V, T
=2.7V, T
Condition
Min V
ATmega640/1280/1281/2560/2561
1.7
2.5
4.1
BOT
A
A
A
= 25
= 25
= 25
°
°
°
C
C
C
0.2
0.05
0.01
Min
0.7
1.0
V
Typ V
CC
BOD Disabled
POT
1.8
2.7
4.3
Reserved
BOT
(falling).
Typ
0.9
1.0
1.1
50
40
10
2
Max V
0.9
Max
2.0
2.9
4.5
1.4
1.3
4.5
2.5
1.2
70
V
CC
BOT
CC
Units
Units
V/ms
mV
µA
µs
µs
µs
V
V
V
V
drops to
372
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