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ATtiny28V

Availability: In production

Deviceimage

Summary

This is probably the best kept secret of the AVR product line. It's not mentioned in the printed datasheet, yet has been available since 1999. Atmel states the device was just a custom device for remote controls (check out the IR driver, keyboard decoder, and the coolest waveform generator!) If you want to build your own remote, Atmel even has an unoficial application note available upon request. We were surprised to find that the ATtiny28 cost less than the AT90S1200, despite the extra 8 pins and extra timer. But there's no internal EEPROM. Also available in a 3 volts version, ATtiny28L.

Overview features

Flash Speed Volts
2kB 0 - 1MHz 1.8 - 5.5V

Files

Packages

General package info

  32-pin TQFP 28-pin PDIP
Package Lead Code 32 28
Carrier Type TRAY TUBE
Max Package Height 1.2  
Body Thickness 1.00 3.30
Body Width 7.00 7.62
Body Length 7.00 34.67
JEDEC MSL 3  
Units per Carrier 250 14
Carriers per Bag 10 20
Units per Bag 2500 280
Quantity per Reel 2000 0
Tape Pitch 12  
Tape Width 16  
Downloadable Files pdf Package Drawing
pdf Tube Tray Drawing
pdf Carrier Tape Drawing
pdf Reel Drawing
pdf Package Drawing
pdf Tube Tray Drawing
Other features Tools
Memory
Flash Memory 2 kB
General Purpose Registers (Accumulators) 32
MCU Specific
Clock Frequency 0 - 1 MHz
Supply Voltage 1.8 - 5.5 V
Sleep Modes 2
I/O Pins 11
On Chip Oscillator Yes
Interrupts 5
Interrupts, External pins 2
High-current pin with Programmable Modulation Yes
Power-on Reset Yes
Fully Static Operation Yes
Timers / Counters
Timer/Counters (8-bit) 1
Watchdog Timer with On-chip Oscillator Yes
Analog I/O
Analog Comparator Yes
Programming Modes
High Voltage Parallel Programming (12V) Yes