Manual
Table Of Contents
- Features
- Pin Configurations
- Description
- Architectural Overview
- General Purpose Register File
- ALU – Arithmetic Logic Unit
- In-System Programmable Flash Program Memory
- SRAM Data Memory
- Program and Data Addressing Modes
- Register Direct, Single Register Rd
- Register Direct, Two Registers Rd and Rr
- I/O Direct
- Data Direct
- Data Indirect with Displacement
- Data Indirect
- Data Indirect with Pre- decrement
- Data Indirect with Post- increment
- Constant Addressing Using the LPM Instruction
- Indirect Program Addressing, IJMP and ICALL
- Relative Program Addressing, RJMP and RCALL
- EEPROM Data Memory
- Memory Access Times and Instruction Execution Timing
- I/O Memory
- Reset and Interrupt Handling
- Reset Sources
- Power-on Reset
- External Reset
- Brown-out Detection
- Watchdog Reset
- MCU Status Register – MCUSR
- Interrupt Handling
- General Interrupt Mask Register – GIMSK
- General Interrupt Flag Register – GIFR
- Timer/Counter Interrupt Mask Register – TIMSK
- Timer/Counter Interrupt Flag Register – TIFR
- External Interrupts
- Interrupt Response Time
- MCU Control Register – MCUCR
- Sleep Modes
- Timer/Counters
- 16-bit Timer/Counter1
- Watchdog Timer
- EEPROM Read/Write Access
- Serial Peripheral Interface – SPI
- UART
- Analog Comparator
- Analog-to-Digital Converter
- I/O Ports
- Memory Programming
- Electrical Characteristics
- External Clock Drive Waveforms
- Typical Characteristics
- Register Summary
- Instruction Set Summary
- Ordering Information
- Packaging Information
- Errata for AT90S/LS4433 Rev. Rev. C/D/E/F
- Data Sheet ChangeLog for AT90S/LS4433
- Table of Contents
116
AT90S/LS4433
1042G–AVR–09/02
Ordering Information
Power Supply Speed (MHz) Ordering Code Package Operation Range
2.7 - 6.0V 4 AT90LS4433-4AC
AT90LS4433-4PC
32A
28P3
Commercial
(0
°Cto70°C)
AT90LS4433-4AI
AT90LS4433-4PI
32A
28P3
Industrial
(-40
°Cto85°C)
4.0 - 6.0V 8 AT90S4433-8AC
AT90S4433-8PC
32A
28P3
Commercial
(0
°Cto70°C)
AT90S4433-8AI
AT90S4433-8PI
32A
28P3
Industrial
(-40
°Cto85°C)
Package Type
32A 32-lead, Thin (1.0 mm) Plastic Quad Flat Package (TQFP)
28P3 28-lead, 0.300" Wide, Plastic Dual Inline Package (PDIP)