Purchase ATmega640, In-stock ATmega640 From SeekIC.
MFG:ATMEL D/C:08+
- Table of contents:
ATmega640
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DataSheet
General Description
ATmega640 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 BitsIn-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
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
51/86 Programmable I/O Lines (ATmega1281/2561, ATmega640/1280/2560)
64-lead (ATmega1281/2561)
100-lead (ATmega640/1280/2560)
100-lead TQFP (64-lead TQFP Option)
• Temperature Range:
-40°C to 85°C Industrial
• Speed Grade:
ATmega1281/2561V/ATmega640/1280/2560V:0 - 4 MHz @ 1.8 - 5.5V, 0 - 8 MHz @ 2.7 - 5.5V
ATmega640/1280/1281/2560/2561:0 - 8 MHz @ 2.7 - 5.5V, 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 BitsIn-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
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
51/86 Programmable I/O Lines (ATmega1281/2561, ATmega640/1280/2560)
64-lead (ATmega1281/2561)
100-lead (ATmega640/1280/2560)
100-lead TQFP (64-lead TQFP Option)
• Temperature Range:
-40°C to 85°C Industrial
• Speed Grade:
ATmega1281/2561V/ATmega640/1280/2560V:0 - 4 MHz @ 1.8 - 5.5V, 0 - 8 MHz @ 2.7 - 5.5V
ATmega640/1280/1281/2560/2561:0 - 8 MHz @ 2.7 - 5.5V, 0 - 16 MHz @ 4.5 - 5.5V
ATmega640 Connection Diagram
ATMEGA640
PDF/DataSheet Download
- Datasheet: ATMEGA640
- File Size: 3055029 KB
- Manufacturer: ATMEL [ATMEL Corporation]
- Click here to Download
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