ATmega1280R212 Atmel Corporation, ATmega1280R212 Datasheet
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ATmega1280R212
Specifications of ATmega1280R212
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ATmega1280R212 Summary of contents
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Features • ® High Performance, Low Power Atmel • Advanced RISC Architecture – 135 Powerful Instructions – Most Single Clock Cycle Execution – 32 × 8 General Purpose Working Registers – Fully Static Operation – MIPS Throughput ...
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Pin Configurations Figure 1-1. TQFP-pinout ATmega640/1280/2560 100 (OC0B) PG5 1 (RXD0/PCINT8) PE0 2 (TXD0) PE1 ...
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Figure 1-2. CBGA-pinout ATmega640/1280/2560 Top view Table 1- Note: 2549NS–AVR–05/11 ATmega640/1280/1281/2560/2561 ...
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Figure 1-3. Pinout ATmega1281/2561 1 (OC0B) PG5 2 (RXD0/PCINT8/PDI) PE0 3 (TXD0/PDO) PE1 4 (XCK0/AIN0) PE2 5 (OC3A/AIN1) PE3 6 (OC3B/INT4) PE4 7 (OC3C/INT5) PE5 8 (T3/INT6) PE6 9 (ICP3/CLKO/INT7) PE7 10 (SS/PCINT0) PB0 11 (SCK/ PCINT1) PB1 12 (MOSI/ ...
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Overview The ATmega640/1280/1281/2560/2561 is a low-power CMOS 8-bit microcontroller based on the AVR enhanced RISC architecture. By executing powerful instructions in a single clock cycle, the ATmega640/1280/1281/2560/2561 achieves throughputs approaching 1 MIPS per MHz allowing the system designer to ...
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The Atmel ters. All the 32 registers are directly connected to the Arithmetic Logic Unit (ALU), allowing two independent registers to be accessed in one single instruction executed in one clock cycle. The resulting architecture is more code efficient while ...
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Comparison Between ATmega1281/2561 and ATmega640/1280/2560 Each device in the ATmega640/1280/1281/2560/2561 family differs only in memory size and number of pins. Table 2-1. Configuration Summary Device Flash EEPROM ATmega640 64KB ATmega1280 128KB ATmega1281 128KB ATmega2560 256KB ATmega2561 256KB 2.3 Pin ...
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The Port C pins are tri-stated when a reset condition becomes active, even if the clock is not running. Port C also serves the functions of special features of the ATmega640/1280/1281/2560/2561 as listed on 2.3.6 Port D ...
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The Port H pins are tri-stated when a reset condition becomes active, even if the clock is not running. Port H also serves the functions of various special features of the ATmega640/1280/2560 as listed on 2.3.11 Port ...
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AVCC AVCC is the supply voltage pin for Port F and the A/D Converter. It should be externally con- nected to V through a low-pass filter. 2.3.18 AREF This is the analog reference pin for the A/D Converter. 2549NS–AVR–05/11 ...
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Resources A comprehensive set of development tools and application notes, and datasheets are available for download on http://www.atmel.com/avr. 4. About Code Examples This documentation contains simple code examples that briefly show how to use various parts of the device. ...
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Register Summary Address Name Bit 7 (0x1FF) Reserved - ... Reserved - (0x13F) Reserved (0x13E) Reserved (0x13D) Reserved (0x13C) Reserved (0x13B) Reserved (0x13A) Reserved (0x139) Reserved (0x138) Reserved (0x137) Reserved (0x136) UDR3 (0x135) UBRR3H - (0x134) UBRR3L (0x133) Reserved ...
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Address Name Bit 7 (0x100) PINH PINH7 (0xFF) Reserved - (0xFE) Reserved - (0xFD) Reserved - (0xFC) Reserved - (0xFB) Reserved - (0xFA) Reserved - (0xF9) Reserved - (0xF8) Reserved - (0xF7) Reserved - (0xF6) Reserved - (0xF5) Reserved - ...
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Address Name Bit 7 (0xBE) Reserved - (0xBD) TWAMR TWAM6 (0xBC) TWCR TWINT (0xBB) TWDR (0xBA) TWAR TWA6 (0xB9) TWSR TWS7 (0xB8) TWBR (0xB7) Reserved - (0xB6) ASSR - (0xB5) Reserved - (0xB4) OCR2B (0xB3) OCR2A (0xB2) TCNT2 (0xB1) TCCR2B ...
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Address Name Bit 7 (0x7C) ADMUX REFS1 (0x7B) ADCSRB - (0x7A) ADCSRA ADEN (0x79) ADCH (0x78) ADCL (0x77) Reserved - (0x76) Reserved - (0x75) XMCRB XMBK (0x74) XMCRA SRE (0x73) TIMSK5 - (0x72) TIMSK4 - (0x71) TIMSK3 - (0x70) TIMSK2 ...
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Address Name Bit 7 0x1A (0x3A) TIFR5 - 0x19 (0x39) TIFR4 - 0x18 (0x38) TIFR3 - 0x17 (0x37) TIFR2 - 0x16 (0x36) TIFR1 - 0x15 (0x35) TIFR0 - 0x14 (0x34) PORTG - 0x13 (0x33) DDRG - 0x12 (0x32) PING - ...
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Instruction Set Summary Mnemonics Operands ARITHMETIC AND LOGIC INSTRUCTIONS ADD Rd, Rr Add two Registers ADC Rd, Rr Add with Carry two Registers ADIW Rdl,K Add Immediate to Word SUB Rd, Rr Subtract two Registers SUBI Rd, K Subtract ...
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Mnemonics Operands BRVS k Branch if Overflow Flag is Set BRVC k Branch if Overflow Flag is Cleared BRIE k Branch if Interrupt Enabled BRID k Branch if Interrupt Disabled BIT AND BIT-TEST INSTRUCTIONS SBI P,b Set Bit in I/O ...
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Mnemonics Operands ELPM Rd, Z+ Extended Load Program Memory SPM Store Program Memory IN Rd Port OUT P, Rr Out Port PUSH Rr Push Register on Stack POP Rd Pop Register from Stack MCU CONTROL INSTRUCTIONS NOP No ...
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Ordering Information 9.1 ATmega640 (2) Speed (MHz) Power Supply 8 1.8 - 5.5V 16 2.7 - 5.5V Notes: 1. This device can also be supplied in wafer form. Please contact your local Atmel sales office for detailed ordering information ...
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ATmega1280 (2) Speed (MHz) Power Supply 8 1.8V - 5.5V 16 2.7V - 5.5V Notes: 1. This device can also be supplied in wafer form. Please contact your local Atmel sales office for detailed ordering information and minimum quantities. ...
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ATmega1281 (2) Speed (MHz) Power Supply 8 1.8 - 5.5V 16 2.7 - 5.5V Notes: 1. This device can also be supplied in wafer form. Please contact your local Atmel sales office for detailed ordering information and minimum quantities. ...
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ATmega2560 (2) Speed (MHz) Power Supply 8 1.8V - 5.5V 16 4.5V - 5.5V Notes: 1. This device can also be supplied in wafer form. Please contact your local Atmel sales office for detailed ordering information and minimum quantities. ...
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ATmega2561 (2) Speed (MHz) Power Supply 8 1.8V - 5.5V 16 4.5V - 5.5V Notes: 1. This device can also be supplied in wafer form. Please contact your local Atmel sales office for detailed ordering information and minimum quantities. ...
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Packaging Information 10.1 100A PIN 0°~7° L Notes: 1. This package conforms to JEDEC reference MS-026, Variation AED. 2. Dimensions D1 and E1 do not include mold protrusion. Allowable protrusion is 0.25 mm per side. Dimensions ...
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D e 0.90 TYP 0.90 TYP 2325 Orchard Parkway San Jose, CA 95131 R 2549NS–AVR–05/11 ATmega640/1280/1281/2560/2561 E Marked A1 Identifier TOP VIEW Øb A1 Corner ...
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PIN 0°~7° Notes: 1.This package conforms to JEDEC reference MS-026, Variation AEB. 2. Dimensions D1 and E1 do not include mold protrusion. Allowable protrusion is 0.25 mm per side. Dimensions D1 and E1 are maximum ...
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Marked Pin TOP VIEW BOTTOM VIEW Notes: 1. JEDEC Standard MO-220, (SAW Singulation) Fig. 1, VMMD. 2. Dimension and tolerance conform to ASMEY14.5M-1994. 2325 Orchard Parkway San Jose, CA 95131 ...
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Errata 11.1 ATmega640 rev. B • Inaccurate ADC conversion in differential mode with 200× gain • High current consumption in sleep mode 1. Inaccurate ADC conversion in differential mode with 200× gain With AVCC <3.6V, random conversions will be ...
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Problem Fix/Workaround None. 2. High current consumption in sleep mode If a pending interrupt cannot wake the part up from the selected sleep mode, the current consumption will increase during sleep when executing the SLEEP instruction directly after a SEI ...
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ATmega1281 rev. A • Inaccurate ADC conversion in differential mode with 200× gain • High current consumption in sleep mode 1. Inaccurate ADC conversion in differential mode with 200× gain With AVCC <3.6V, random conversions will be inaccurate. Typical ...
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ATmega2560 rev. A • Non-Read-While-Write area of flash not functional • Part does not work under 2.4 volts • Incorrect ADC reading in differential mode • Internal ADC reference has too low value • IN/OUT instructions may be executed ...
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Problem Fix/Workaround There are two application work-arounds, where selecting one of them, will be omitting the issue: - Replace IN and OUT with LD/LDS/LDD and ST/STS/STD instructions. - Use internal RAM for stack pointer. 6. EEPROM read from application code ...
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Non-Read-While-Write area of flash not functional The Non-Read-While-Write area of the flash is not working as expected. The problem is related to the speed of the part when reading the flash of this area. Problem Fix/Workaround - Only use ...
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Problem Fix/Workaround Do not set Lock Bit Protection Mode 3 when the application code needs to read from EEPROM. 2549NS–AVR–05/11 ATmega640/1280/1281/2560/2561 35 ...
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Datasheet Revision History Please note that the referring page numbers in this section are referring to this document.The referring revision in this section are referring to the document revision. 12.1 Rev. 2549N-05/ ...
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Rev. 2549K-01/ 10. 12.5 Rev. 2549J-09/ 12.6 Rev. 2549I-07/ 12.7 Rev. 2549H-06/ 2549NS–AVR–05/11 ATmega640/1280/1281/2560/2561 Updated ...
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Rev. 2549G-06/ 10. 12.9 Rev. 2549F-04/ 12.10 Rev. 2549E-04/ 12.11 Rev. 2549D-12/ ...
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Rev. 2549C-09/ 12.13 Rev. 2549B-05/ 12.14 Rev. 2549A-03/05 1. 2549NS–AVR–05/11 ATmega640/1280/1281/2560/2561 Updated Speed Grade in section “Features” on page Added “Resources” on page 11. Updated “SPI – ...
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