Datasheet Atmel AT90S4434

Features
• AVR® -High-performance and Low-power RISC Architecture • • • • •
•
• - 118 Powerful Instructions -Most Single Clock Cycle Execution
- 32 x 8 General Purpose Working Registers
- Up to 8 MIPS Throughput at 8 MHz
Data and Nonvolatile Program Memories
- 4K/8K Bytes of In-System Programmable Flash
SPI Serial Interface for In-System Programming
Endurance: 1,000 Write/Erase Cycles
- 256/512 Bytes EEPROM
Endurance: 100,000 Write/Erase Cycles
- 256/512 Bytes Internal SRAM
- Programming Lock for Software Security
Peripheral Features
- 8-channel, 10-bit ADC
- Programmable UART
- Two 8-bit Timer/Counters with Separate Prescaler and Compare Mode
- One 16-bit Timer/Counter with Separate Prescaler, Compare and
Capture Modes, and dual 8-, 9-, or 10-bit PWM
- Programmable Watchdog Timer with On-chip Oscillator
- On-chip Analog Comparator
Special Microcontroller Features …