ATMEGA2561-16AU Atmel, ATMEGA2561-16AU Datasheet - Page 441
ATMEGA2561-16AU
Manufacturer Part Number
ATMEGA2561-16AU
Description
IC AVR MCU 256K 16MHZ 64TQFP
Manufacturer
Atmel
Series
AVR® ATmegar
Specifications of ATMEGA2561-16AU
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
256KB (128K x 16)
Program Memory Type
FLASH
Eeprom Size
4K x 8
Ram Size
8K x 8
Voltage - Supply (vcc/vdd)
4.5 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
64-TQFP, 64-VQFP
Processor Series
ATMEGA256x
Core
AVR8
Data Bus Width
8 bit
Data Ram Size
8 KB
Interface Type
2-Wire, SPI, USART
Maximum Clock Frequency
16 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
Development Tools By Supplier
ATAVRDRAGON, ATSTK500, ATSTK600, ATAVRISP2, ATAVRONEKIT, ATAVRRZ541, ATAVRRAVEN, ATAVRRZUSBSTICK, ATAVRRZ201
Minimum Operating Temperature
- 40 C
On-chip Adc
10 bit, 8 Channel
Package
64TQFP
Device Core
AVR
Family Name
ATmega
Maximum Speed
16 MHz
For Use With
ATSTK600-TQFP64 - STK600 SOCKET/ADAPTER 64-TQFP770-1007 - ISP 4PORT ATMEL AVR MCU SPI/JTAG770-1005 - ISP 4PORT FOR ATMEL AVR MCU JTAG770-1004 - ISP 4PORT FOR ATMEL AVR MCU SPIATAVRISP2 - PROGRAMMER AVR IN SYSTEM
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
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Manufacturer
Quantity
Price
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Quantity:
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2549M–AVR–09/10
28 Boot Loader Support – Read-While-Write Self-Programming ......... 317
29 Memory Programming ......................................................................... 335
30 Electrical Characteristics .................................................................... 367
31 Typical Characteristics ........................................................................ 384
27.3
27.4
27.5
27.6
27.7
27.8
28.1
28.2
28.3
28.4
28.5
28.6
28.7
29.1
29.2
29.3
29.4
29.5
29.6
29.7
29.8
29.9
30.1
30.2
30.3
30.4
30.5
30.6
30.7
30.8
30.9
Data Registers ...............................................................................................302
Boundary-scan Specific JTAG Instructions ...................................................304
Boundary-scan Chain ....................................................................................305
Boundary-scan Related Register in I/O Memory ...........................................308
ATmega640/1280/1281/2560/2561 Boundary-scan Order ............................308
Boundary-scan Description Language Files ..................................................308
Features ........................................................................................................317
Application and Boot Loader Flash Sections .................................................317
Read-While-Write and No Read-While-Write Flash Sections ........................317
Boot Loader Lock Bits ...................................................................................320
Addressing the Flash During Self-Programming ...........................................322
Self-Programming the Flash ..........................................................................323
Register Description ......................................................................................332
Program And Data Memory Lock Bits ...........................................................335
Fuse Bits ........................................................................................................336
Signature Bytes .............................................................................................338
Calibration Byte .............................................................................................338
Page Size ......................................................................................................338
Parallel Programming Parameters, Pin Mapping, and Commands ...............338
Parallel Programming ....................................................................................341
Serial Downloading ........................................................................................349
Programming via the JTAG Interface ............................................................354
DC Characteristics .........................................................................................367
Speed Grades ...............................................................................................369
Clock Characteristics .....................................................................................371
External Clock Drive ......................................................................................371
System and Reset Characteristics ................................................................372
2-wire Serial Interface Characteristics ...........................................................372
SPI Timing Characteristics ............................................................................374
ADC Characteristics – Preliminary Data ........................................................376
External Data Memory Timing .......................................................................378
ATmega640/1280/1281/2560/2561
vi
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