ATMEGA1281-16MU Atmel, ATMEGA1281-16MU Datasheet - Page 438
ATMEGA1281-16MU
Manufacturer Part Number
ATMEGA1281-16MU
Description
IC MCU AVR 128K FLASH 64-QFN
Manufacturer
Atmel
Series
AVR® ATmegar
Specifications of ATMEGA1281-16MU
Core Processor
AVR
Core Size
8-Bit
Speed
16MHz
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)
2.7 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, UART
Maximum Clock Frequency
16 MHz
Number Of Programmable I/os
54
Number Of Timers
6
Operating Supply Voltage
4.5 V to 5.5 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
3rd Party Development Tools
EWAVR, EWAVR-BL
Development Tools By Supplier
ATAVRDRAGON, ATSTK500, ATSTK600, ATAVRISP2, ATAVRONEKIT, ATAVRRZ541, ATAVRRAVEN, ATAVRRZRAVEN, ATAVRRZUSBSTICK, ATAVRISP2, ATAVRRZ201
Minimum Operating Temperature
- 40 C
On-chip Adc
10 bit, 8 channel
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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2549M–AVR–09/10
14 External Interrupts ............................................................................... 112
15 8-bit Timer/Counter0 with PWM .......................................................... 118
16 16-bit Timer/Counter (Timer/Counter 1, 3, 4, and 5) .......................... 136
17 Timer/Counter 0, 1, 3, 4, and 5 Prescaler ........................................... 169
18 Output Compare Modulator (OCM1C0A) ........................................... 172
13.2
13.3
13.4
14.1
14.2
15.1
15.2
15.3
15.4
15.5
15.6
15.7
15.8
15.9
16.1
16.2
16.3
16.4
16.5
16.6
16.7
16.8
16.9
16.10
16.11
17.1
17.2
17.3
17.4
Reset and Interrupt Vector placement ...........................................................107
Moving Interrupts Between Application and Boot Section .............................109
Register Description ......................................................................................110
Pin Change Interrupt Timing ..........................................................................112
Register Description ......................................................................................113
Features ........................................................................................................118
Overview ........................................................................................................118
Timer/Counter Clock Sources .......................................................................119
Counter Unit ..................................................................................................119
Output Compare Unit .....................................................................................120
Compare Match Output Unit ..........................................................................122
Modes of Operation .......................................................................................123
Timer/Counter Timing Diagrams ...................................................................127
Register Description ......................................................................................129
Features ........................................................................................................136
Overview ........................................................................................................136
Accessing 16-bit Registers ............................................................................138
Timer/Counter Clock Sources .......................................................................141
Counter Unit ..................................................................................................142
Input Capture Unit .........................................................................................143
Output Compare Units ...................................................................................145
Compare Match Output Unit ..........................................................................147
Modes of Operation .......................................................................................148
Timer/Counter Timing Diagrams ...................................................................156
Register Description ......................................................................................158
Internal Clock Source ....................................................................................169
Prescaler Reset .............................................................................................169
External Clock Source ...................................................................................169
Register Description ......................................................................................170
ATmega640/1280/1281/2560/2561
iii
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