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AT90S8535 40-Pin 8MHz 8kB Microcontroller Technical Data

Photograph
AT90S8535 - AT90S8535 40-Pin 8MHz 8kb 8-bit Microcontroller

Features
  • High-performance, Low-power AVR 8-bit Microcontroller
  • Advanced RISC Architecture
    • - 118 Instructions - Most Single Clock Cycle Execution
    • - 32 x 8 General Purpose Working Registers
    • - Up to 8 MIPS Throughput at 8MHz
    • - Fully Static Operation
  • Data and Nonvolatile Program Memory
    • - 8k Bytes of In-System Self-Programmable Flash
    • - 512 Bytes of In-System Programmable EEPROM
    • - 512 Bytes Internal SRAM
    • - Programming Lock for Flash Program and EEPROM Data Security
  • Peripheral Features
    • - Programmable Watchdog Timer with Separate On-chip Oscillator
    • - Master/Slave SPI Serial Interface
    • - Two 8-bit Timer/Counters with Separate Prescalar, Compare
    • - One 16-bit Timer/Counter with Separate Prescaler, Compare and Dual 8,9 or 10-bit PWM
    • - Analog Comparator
    • - Real Time Counter with Separate Oscillator and Counter Mode
    • - Programmable Serial UART
    • - 8-channel, 10-bit ADC
  • Special Microcontroller Features
    • - Low-Power Idle, Power-Save and Power-Down Modes
    • - External and Internal Interrupt Sources
    • - Power-on Reset Circuit
  • I/O and Packages
    • - 32 Programmable I/O Lines
    • - 40-pin PDIP
  • Power Consumption at 4 Mhz, 3V, 35 °C
    • - Active: 6.4mA
    • - Idle Mode: 1.9mA
    • - Power-down Mode: < 1µA

Pin Layout
AT90S8535 Pin Layout

Pin Description
Pin Number Description
1 - 8 PB0-PB7 - Port B
9 RESET - Reset (Active Low)
10 Vcc - Power Supply
11 GND - Ground
12 XTAL2 - Crystal
13 XTAL1 - Crystal
14 - 21 PD0-PD7 - Port D
22 - 29 PC0-PC7 - Port C
30 AVCC - Analog Circuits Power Supply
31 AGND - Analog Ground
32 AREF - Analog Reference
33 - 40 PA7-PA0 - Port A

Dimensional Drawing
PDIP40 Dimension Drawing

Technical Data

Datasheet

   

Application Notes