ATMEGA1281-16MU Atmel, ATMEGA1281-16MU Datasheet - Page 438

• 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

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
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