ATMEGA8535-16JI AVR® ATmega Microcontroller IC 8-Bit 16MHz 8KB (4K x 16) FLASH 44-PLCC SMD

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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 Datasheet