ATMEGA1280-16AUR Atmel, ATMEGA1280-16AUR Datasheet - Page 340

• Manufacturer Part Number: ATMEGA1280-16AUR
• Description: MCU AVR 128K FLASH 16MHZ 100TQFP
• Manufacturer: Atmel
• Series: AVR® ATmegar

Specifications of ATMEGA1280-16AUR

• 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: 86
• 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 16x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 100-TQFP, 100-VQFP
• For Use With: ATSTK600-TQFP100 - STK600 SOCKET/ADAPTER 100-TQFPATSTK503 - STARTER KIT AVR EXP MODULE 100P
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

2549M–AVR–09/10
Table 29-10. BS2 and BS1 Encoding
Table 29-11. Pin Values Used to Enter Programming Mode
Table 29-12. XA1 and XA0 Enoding
Table 29-13. Command Byte Bit Encoding
BS2
0
0
1
1
XA1
0
0
1
1
Command Byte
1000 0000
0100 0000
0010 0000
0001 0000
0001 0001
0000 1000
0000 0100
0000 0010
0000 0011
BS1
0
1
0
1
PAGEL
XA1
XA0
BS1
Pin
XA0
Flash / EEPROM
0
1
0
1
Extended High
High Byte
Reserved
Address
Low Byte
Byte
Action when XTAL1 is Pulsed
Load Flash or EEPROM Address (High or low address byte determined
by BS2 and BS1).
Load Data (High or Low data byte for Flash determined by BS1).
Load Command
No Action, Idle
Command Executed
Chip Erase
Write Fuse bits
Write Lock bits
Write Flash
Write EEPROM
Read Signature Bytes and Calibration byte
Read Fuse and Lock bits
Read Flash
Read EEPROM
ATmega640/1280/1281/2560/2561
Prog_enable[3]
Prog_enable[2]
Prog_enable[1]
Prog_enable[0]
Flash Data
Loading /
High Byte
Reserved
Reserved
Low Byte
Reading
Symbol
Extended Byte
Programming
High Byte
Reserved
Low Byte
Fuse
Value
Fuse High Byte
Extended Fuse
Reading Fuse
Fuse Low Byte
0
0
0
0
and Lock Bits
Lockbits
Byte
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