Microchip Technology Tariff Inquiry

AT89C51-33JI

Microchip Technology's AT89C51-33JI is a low-power, high-performance CMOS 8-bit microcontroller with 8K bytes of in-system programmable Flash memory. It is based on the AT89C51 core, which is a widely used and well-established microcontroller architecture.

Description:

The AT89C51-33JI is a member of the AT89C51 family of microcontrollers, which are known for their versatility and ease of use. The device is available in a 44-pin PDIP (Plastic Dual In-Line Package) and features an industry-standard 80C51 instruction set. It operates with a single 8-bit data bus and a 16-bit address bus, allowing it to access up to 64K bytes of external memory.

Features:

1. 8K bytes of in-system programmable Flash memory for program and data storage.
2. 128 bytes of RAM (Random Access Memory) for data storage.
3. 32-bit I/O (Input/Output) ports with bit-addressable capability for easy manipulation of individual bits.
4. Two 16-bit timer/counters with three modes of operation (8-bit mode, 13-bit mode, and 16-bit mode) for versatile time and event management.
5. Five interrupt sources with two priority levels for efficient interrupt handling.
6. A serial communication interface that supports standard UART (Universal Asynchronous Receiver/Transmitter) for communication with other devices.
7. Low-power consumption with idle and power-down modes to extend battery life in portable applications.
8. On-chip oscillator calibration for improved clock accuracy.
9. In-circuit serial programming and debugging capability for easy programming and testing.

Applications:

The AT89C51-33JI is suitable for a wide range of applications due to its flexibility, low-power consumption, and ease of use. Some common applications include:

1. Industrial control and automation systems for monitoring and controlling various processes.
2. Home automation systems for controlling lighting, heating, and security systems.
3. Medical equipment for monitoring vital signs and controlling medical devices.
4. Telecommunication systems for data transmission and reception.
5. Automotive applications for engine control, anti-lock braking systems, and other vehicle management functions.
6. Consumer electronics for controlling appliances and devices.
7. Embedded systems in various applications, such as point-of-sale terminals, security systems, and data loggers.

The AT89C51-33JI's combination of features, performance, and low-power consumption make it an ideal choice for a wide range of embedded applications where cost, power consumption, and ease of use are critical factors.