Rainbow Electronics AT90LS8535 User Manual
Features
1
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
– 8K Bytes of In-System Programmable Flash
SPI Serial Interface for In-System Programming
Endurance: 1,000 Write/Erase Cycles
– 512 Bytes EEPROM
Endurance: 100,000 Write/Erase Cycles
– 512 Bytes Internal SRAM
– Programming Lock for Software Security
•
Peripheral Features
– 8-channel, 10-bit ADC
– Programmable UART
– Master/Slave SPI Serial Interface
– 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
– Power-on Reset Circuit
– Real-time Clock (RTC) with Separate Oscillator and Counter Mode
– External and Internal Interrupt Sources
– Three Sleep Modes: Idle, Power Save and Power-down
•
Power Consumption at 4 MHz, 3V, 20
°C
– Active: 6.4 mA
– Idle Mode: 1.9 mA
– Power-down Mode: <1 µA
•
I/O and Packages
– 32 Programmable I/O Lines
– 40-lead PDIP, 44-lead PLCC, 44-lead TQFP, and 44-pad MLF
•
Operating Voltages
– V
CC
: 4.0 - 6.0V AT90S8535
– V
CC
: 2.7 - 6.0V AT90LS8535
•
Speed Grades:
– 0 - 8 MHz for the AT90S8535
– 0 - 4 MHz for the AT90LS8535
8-bit
Microcontroller
with 8K Bytes
In-System
Programmable
Flash
AT90S8535
AT90LS8535
Rev. 1041H–11/01
Document Outline
- 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
- 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
- Timer/Counter Prescalers
- 8-bit Timer/Counter0
- 16-bit Timer/Counter1
- Timer/Counter1 Control Register A – TCCR1A
- Timer/Counter1 Control Register B – TCCR1B
- Timer/Counter1 – TCNT1H AND TCNT1L
- Timer/Counter1 Output Compare Register – OCR1AH AND OCR1AL
- Timer/Counter1 Output Compare Register – OCR1BH AND OCR1BL
- Timer/Counter1 Input Capture Register – ICR1H AND ICR1L
- Timer/Counter1 In PWM Mode
- 8-bit Timer/Counter2
- Watchdog Timer
- EEPROM Read/Write Access
- Serial Peripheral Interface – SPI
- UART
- Analog Comparator
- Analog-to-Digital Converter
- I/O Ports
- Memory Programming
- Electrical Characteristics
- Typical Characteristics
- Register Summary
- Instruction Set Summary
- Ordering Information
- Packaging Information