Product Overview: AT90S4414-8JI from Microchip Technology

The AT90S4414-8JI is a high-performance, low-power 8-bit AVR RISC-based microcontroller produced by Microchip Technology. This cutting-edge microcontroller combines 4KB of in-system self-programmable Flash memory, 128B EEPROM, 256B SRAM, 32 general-purpose I/O lines, 32 general-purpose working registers, a wide range of flexible timer/counters with compare modes, PWM channels, and multiple serial interfaces.

This versatile MCU operates at a frequency of up to 8 MHz, providing robust processing capabilities while maintaining energy efficiency. It is designed to support complex tasks in a variety of applications, such as industrial control systems, automotive, consumer electronics, and more. The AT90S4414-8JI is packaged in a 44-lead J-Lead Chip Carrier (JLCC), ensuring a compact footprint for space-constrained applications.

Key Features

• Advanced RISC Architecture: With 118 instructions, most executable in a single clock cycle, the AT90S4414-8JI achieves throughputs approaching 1 MIPS per MHz, balancing power consumption and processing speed.
• In-System Programmable Flash: The 4KB of downloadable program memory enables easy firmware updates, enhancing the flexibility and longevity of applications.
• Peripheral Features: Includes two 8-bit timer/counters with separate prescalers, a 16-bit timer/counter with a separate prescaler, compare mode, and capture mode. It also features a full duplex UART serial interface and an onboard analog comparator.
• Comprehensive I/O: With 32 programmable I/O lines, the microcontroller can interface with a wide range of sensors, actuators, and other peripherals.
• Operating Voltage: The device can operate within a voltage range of 4.0-6.0V, suitable for various power supply conditions.

Applications

The AT90S4414-8JI is designed for applications that require a balance between power efficiency and processing capability. It is ideal for battery-operated devices, portable instrumentation, smart cards, access control systems, and other embedded systems where space and power are at a premium.