ATMEGA8535-16JI AVR® ATmega Microcontroller IC 8-Bit 16MHz 8KB (4K x 16) FLASH 44-PLCC SMD
The ATmega8535-16JI is an 8-bit AVR® microcontroller that combines a compact Harvard-style RISC core with on-chip nonvolatile memory and a rich peripheral set. Optimized for low power and efficient code density, it executes most instructions in a single clock cycle and achieves up to ~16 MIPS at a 16 MHz clock. The device integrates 8 KB of in-system programmable Flash, 512 bytes of EEPROM and 512 bytes of SRAM, making it suitable for embedded code and small data storage without external memory.
Hardware peripherals are comprehensive: multiple timers (two 8-bit, one 16-bit), four PWM channels, an 8-channel 10-bit ADC (with additional differential/gain options in some packages), USART, SPI and TWI (I²C) interfaces, watchdog timer, and analog comparator. The chip provides 32 programmable I/O lines and flexible sleep modes for power management (Idle, ADC Noise Reduction, Power-save, Power-down, Standby, Extended Standby). These on-chip resources let designers build responsive, low-power control systems with minimal external components.
Physically available in several packages (including 44-lead PLCC as the -16JI part), the ATmega8535 supports In-System Programming via SPI and an optional boot section for field updates. Built with Atmel’s high-density nonvolatile memory process and backed by a broad toolchain (compilers, debuggers, evaluation kits), it’s a straightforward drop-in for projects needing a capable 8-bit MCU with reliable I/O and analog capabilities.
Features:
- High-performance, low-power AVR® 8-bit microcontroller.
- 130 powerful instructions, most single clock-cycle execution.
- 8 KB in-system programmable Flash (Read-While-Write).
- 512 bytes EEPROM; 512 bytes internal SRAM.
- Up to 16 MIPS throughput at 16 MHz (-16 versions).
- On-chip 2-cycle hardware multiplier.
- Two 8-bit timer/counters and one 16-bit timer/counter.
- Real-time counter with separate oscillator; four PWM channels.
- 8-channel, 10-bit ADC (with differential/gain options in certain packages).
- Byte-oriented Two-wire Serial Interface (TWI/I²C), USART and SPI.
- Programmable Watchdog Timer with separate on-chip oscillator.
- Power-on Reset and programmable brown-out detection.
- Internal calibrated RC oscillator; external crystal support (XTAL1/XTAL2).
- Six software-selectable power saving modes.
- 32 programmable I/O lines; multiple package options (PDIP, PLCC, TQFP, QFN/MLF).
Specifications:
| Specification | Value |
|---|---|
| Core: | 8-bit AVR RISC, 130 instructions (most single cycle) |
| Program Memory (Flash): | 8 KB In-System Programmable Flash (Read-While-Write) |
| EEPROM: | 512 bytes (100,000 write/erase cycles) |
| SRAM: | 512 bytes internal SRAM |
| CPU Speed: | Up to 16 MIPS @ 16 MHz (-16 versions) |
| ADC: | 8-channel, 10-bit ADC (differential/gain options in TQFP) |
| Timers: | Two 8-bit timers, one 16-bit timer with capture & compare |
| Interfaces: | USART, SPI, TWI (I²C), SPI programming (ISP) |
| PWMs: | 4 PWM channels |
| I/O: | 32 programmable I/O lines |
| Operating Voltage: | ATmega8535L: 2.7–5.5 V; ATmega8535: 4.5–5.5 V |
| Speed Grades: | L version: 0–8 MHz; standard: 0–16 MHz |
| Packages: | 40-pin PDIP (40P6), 44-lead PLCC (44J — e.g. -16JI), 44-lead TQFP, 44-pad QFN/MLF |
| Temperature Ranges: | Commercial and industrial bins available (-40°C to +85°C options) |
Applications:
- Industrial Control Systems.
- Automotive Body Electronics.
- Home Appliance Control Boards.
- Security and Access Control Systems.
- Motor Control Drives.
- Sensor Interface and Data Logging.
- Consumer Electronics User Interfaces.
- Peripheral Interface Modules.
- Smart Power Metering.
- Educational Development Kits.
Package Contents:
- 1x ATMEGA8535-16JI AVR® ATmega Microcontroller IC 8-Bit 16MHz 8KB (4K x 16) FLASH 44-PLCC SMD
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