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Part Number: ATmega640A
Description: The ATmega640/1280/1281/2560/2561 is a low-power CMOS 8-bit microcontroller based on the AVR enhanced ...
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ATmega640A
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General Description
ATmega640A General Description
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 optimize power consumption versus processing speed.
ATmega640A Maximum Ratings
Operating Temperature............................... -55°C to +125°C
Storage Temperature .................................. -65°C to +150°C
Voltage on any Pin except RESET
with respect to Ground .............................-0.5V to VCC+0.5V
Voltage on RESET with respect to Ground.....-0.5V to +13.0V
Maximum Operating Voltage ......................................... 6.0V
DC Current per I/O Pin ............................................ 40.0 mA
DC Current VCC and GND Pins............................... 200.0 mA
Storage Temperature .................................. -65°C to +150°C
Voltage on any Pin except RESET
with respect to Ground .............................-0.5V to VCC+0.5V
Voltage on RESET with respect to Ground.....-0.5V to +13.0V
Maximum Operating Voltage ......................................... 6.0V
DC Current per I/O Pin ............................................ 40.0 mA
DC Current VCC and GND Pins............................... 200.0 mA
ATmega640A Features
• High Performance, Low Power AVR® 8-Bit Microcontroller
• Advanced RISC Architecture
135 Powerful Instructions Most Single Clock Cycle Execution
32 x 8 General Purpose Working Registers
Fully Static Operation
Up to 16 MIPS Throughput at 16 MHz
On-Chip 2-cycle Multiplier
• Non-volatile Program and Data Memories
64K/128K/256K Bytes of In-System Self-Programmable Flash Endurance: 10,000 Write/Erase Cycles
Optional Boot Code Section with Independent Lock Bits In-System Programming by On-chip Boot Program True Read-While-Write Operation
4K Bytes EEPROM
Endurance: 100,000 Write/Erase Cycles
8K Bytes Internal SRAM
Up to 64K Bytes Optional External Memory Space
Programming Lock for Software Security
• JTAG (IEEE std. 1149.1 compliant) Interface
Boundary-scan Capabilities According to the JTAG Standard
Extensive On-chip Debug Support
Programming of Flash, EEPROM, Fuses, and Lock Bits through the JTAG Interface
• Peripheral Features
Two 8-bit Timer/Counters with Separate Prescaler and Compare Mode
Four 16-bit Timer/Counter with Separate Prescaler, Compare- and Capture Mode
Real Time Counter with Separate Oscillator
Four 8-bit PWM Channels
Six/Twelve PWM Channels with Programmable Resolution from 2 to 16 Bits (ATmega1281/2561, ATmega640/1280/2560)
Output Compare Modulator
8/16-channel, 10-bit ADC (ATmega1281/2561, ATmega640/1280/2560)
Two/Four Programmable Serial USART (ATmega1281/2561,ATmega640/1280/2560)
Master/Slave SPI Serial Interface
Byte Oriented 2-wire Serial Interface
Programmable Watchdog Timer with Separate On-chip Oscillator
On-chip Analog Comparator
Interrupt and Wake-up on Pin Change
• Special Microcontroller Features
Power-on Reset and Programmable Brown-out Detection
Internal Calibrated Oscillator
External and Internal Interrupt Sources
Six Sleep Modes: Idle, ADC Noise Reduction, Power-save, Power-down, Standby, and Extended Standby
• I/O and Packages
54/86 Programmable I/O Lines (ATmega1281/2561, ATmega640/1280/2560)
64-pad QFN/MLF, 64-lead TQFP (ATmega1281/2561)
100-lead TQFP, 100-ball CBGA (ATmega640/1280/2560)
RoHS/Fully Green
• Temperature Range:
-40°C to 85°C Industrial
• Ultra-Low Power Consumption
Active Mode: 1 MHz, 1.8V: 510 µA
Power-down Mode: 0.1 µA at 1.8V
• Speed Grade (see "Maximum speed vs. VCC" on page 377):
ATmega640V/ATmega1280V/ATmega1281V:
0 - 4 MHz @ 1.8 - 5.5V, 0 - 8 MHz @ 2.7 - 5.5V
ATmega2560V/ATmega2561V:
0 - 2 MHz @ 1.8 - 5.5V, 0 - 8 MHz @ 2.7 - 5.5V
ATmega640/ATmega1280/ATmega1281:
0 - 8 MHz @ 2.7 - 5.5V, 0 - 16 MHz @ 4.5 - 5.5V
ATmega2560/ATmega2561:
0 - 16 MHz @ 4.5 - 5.5V
• Advanced RISC Architecture
135 Powerful Instructions Most Single Clock Cycle Execution
32 x 8 General Purpose Working Registers
Fully Static Operation
Up to 16 MIPS Throughput at 16 MHz
On-Chip 2-cycle Multiplier
• Non-volatile Program and Data Memories
64K/128K/256K Bytes of In-System Self-Programmable Flash Endurance: 10,000 Write/Erase Cycles
Optional Boot Code Section with Independent Lock Bits In-System Programming by On-chip Boot Program True Read-While-Write Operation
4K Bytes EEPROM
Endurance: 100,000 Write/Erase Cycles
8K Bytes Internal SRAM
Up to 64K Bytes Optional External Memory Space
Programming Lock for Software Security
• JTAG (IEEE std. 1149.1 compliant) Interface
Boundary-scan Capabilities According to the JTAG Standard
Extensive On-chip Debug Support
Programming of Flash, EEPROM, Fuses, and Lock Bits through the JTAG Interface
• Peripheral Features
Two 8-bit Timer/Counters with Separate Prescaler and Compare Mode
Four 16-bit Timer/Counter with Separate Prescaler, Compare- and Capture Mode
Real Time Counter with Separate Oscillator
Four 8-bit PWM Channels
Six/Twelve PWM Channels with Programmable Resolution from 2 to 16 Bits (ATmega1281/2561, ATmega640/1280/2560)
Output Compare Modulator
8/16-channel, 10-bit ADC (ATmega1281/2561, ATmega640/1280/2560)
Two/Four Programmable Serial USART (ATmega1281/2561,ATmega640/1280/2560)
Master/Slave SPI Serial Interface
Byte Oriented 2-wire Serial Interface
Programmable Watchdog Timer with Separate On-chip Oscillator
On-chip Analog Comparator
Interrupt and Wake-up on Pin Change
• Special Microcontroller Features
Power-on Reset and Programmable Brown-out Detection
Internal Calibrated Oscillator
External and Internal Interrupt Sources
Six Sleep Modes: Idle, ADC Noise Reduction, Power-save, Power-down, Standby, and Extended Standby
• I/O and Packages
54/86 Programmable I/O Lines (ATmega1281/2561, ATmega640/1280/2560)
64-pad QFN/MLF, 64-lead TQFP (ATmega1281/2561)
100-lead TQFP, 100-ball CBGA (ATmega640/1280/2560)
RoHS/Fully Green
• Temperature Range:
-40°C to 85°C Industrial
• Ultra-Low Power Consumption
Active Mode: 1 MHz, 1.8V: 510 µA
Power-down Mode: 0.1 µA at 1.8V
• Speed Grade (see "Maximum speed vs. VCC" on page 377):
ATmega640V/ATmega1280V/ATmega1281V:
0 - 4 MHz @ 1.8 - 5.5V, 0 - 8 MHz @ 2.7 - 5.5V
ATmega2560V/ATmega2561V:
0 - 2 MHz @ 1.8 - 5.5V, 0 - 8 MHz @ 2.7 - 5.5V
ATmega640/ATmega1280/ATmega1281:
0 - 8 MHz @ 2.7 - 5.5V, 0 - 16 MHz @ 4.5 - 5.5V
ATmega2560/ATmega2561:
0 - 16 MHz @ 4.5 - 5.5V
ATmega640A Connection Diagram
ATM UTOPIA
PDF/DataSheet Download
- Datasheet: ATM UTOPIA
- File Size: 118420 KB
- Manufacturer: Lucent Technologies
- Click here to Download
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