ATMEGA1284-PU 8 Bit 128K AVR Microcontroller
$16.50
146 in stock
Description
The Atmel® AVR® ATmega31284 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
ATmega1284 achieves throughputs approaching 20 MIPS at 20MHz allowing the system designer
to optimize power consumption versus processing speed.
Features
- High-performance, Low-power Atmel® AVR® 8-bit Microcontroller
- Advanced RISC Architecture
- 131 Powerful Instructions – Most Single-clock Cycle Execution
- 32 x 8 General Purpose Working Registers
- Fully Static Operation
- Up to 20MIPS Throughput at 20MHz
- On-chip 2-cycle Multiplier
- High Endurance Non-volatile Memory segments
- 128Kbytes of In-System Self-programmable Flash program memory
- 4KBytes EEPROM
- 16Kbytes Internal SRAM
- Write/Erase Cycles: 10,000 Flash/100,000 EEPROM
- Data retention: 20 years at 85°C/100 years at 25°C(1)
- Optional Boot Code Section with Independent Lock Bits
- In-System Programming by On-chip Boot Program
- True Read-While-Write Operation
- Programming Lock for Software Security
- Atmel QTouch® library support
- Capacitive touch buttons, sliders and wheels
- QTouch and QMatrix acquisition
- Up to 64 sense channels
- 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 Prescalers and Compare Modes
- One/two 16-bit Timer/Counter with Separate Prescaler, Compare Mode, and Capture Mode
- Real Time Counter with Separate Oscillator
- Six PWM Channels
- 8-channel, 10-bit ADC
- Differential mode with selectable Gain at 1x, 10x, or 200x
- Byte-oriented Two-wire Serial Interface
- Two Programmable Serial USART
- Master/Slave SPI 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 RC 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
- 32 Programmable I/O Lines
- 40-pin PDIP
- Operating Voltages
- 1.8V – 5.5V
- Speed Grades
- 0-4MHz @ 1.8-5.5V
- 0-10MHz @ 2.7-5.5V
- 0-20MHz @ 4.5-5.5V
- Power Consumption at 1MHz, 1.8V, 25°C
- Active: 0.4mA
- Power-down Mode: 0.1μA
- Power-save Mode: 0.6μA (Including 32kHz RTC)
Colour | Black |
---|---|
Package | DIP |
Number of Pins/Conductors | 40 |
Pin/Conductor Spacing | 2.54mm |
EEPROM | 4KB |
Flash | 128KB |
I/O Pins | 32 |
SRAM | 16KB |
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