Microchip Technology Tariff Inquiry

AT89C51-33AI

The AT89C51-33AI is a low-power, high-performance CMOS 8-bit microcontroller unit (MCU) with 8K bytes of in-system programmable Flash memory, manufactured by Microchip Technology. It is based on the AT89C51 core, which is a popular and widely used 8051 microcontroller.

Description:

The AT89C51-33AI is designed for a wide range of embedded control applications. It features low-power consumption, which makes it suitable for battery-powered devices. The device is available in a 40-pin PDIP (Plastic Dual In-Line Package) and operates over a supply voltage range of 4.0V to 5.5V.

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 programmable I/O (Input/Output) lines with optional power-up timer.
4. Two 16-bit timer/counters with three modes of operation (8-bit mode, 13-bit mode, and 16-bit mode).
5. Five interrupt sources with two priority levels.
6. A serial communication interface (UART) for data transmission and reception.
7. Low-power consumption modes: Idle mode and Power-down mode.
8. On-chip oscillator with precision calibration.
9. Watchdog timer for system reset in case of software failure.
10. In-circuit serial programming (ICSP) and serial application programming (SAP) for easy programming and debugging.

Applications:

The AT89C51-33AI is suitable for a wide range of applications due to its low-power consumption and versatile features. Some common applications include:

1. Industrial control systems: Programmable logic controllers, motor control, and sensor interfacing.
2. Consumer electronics: Appliances, remote controls, and battery-powered devices.
3. Telecommunications: Modems, answering machines, and fax machines.
4. Automotive: Instrumentation, anti-lock braking systems (ABS), and engine control units (ECUs).
5. Medical equipment: Patient monitoring devices, diagnostic equipment, and portable medical instruments.
6. Security systems: Access control, intrusion detection, and surveillance systems.
7. Data acquisition and signal processing: Measurement and control systems, data loggers, and sensor networks.

The AT89C51-33AI's combination of low-power consumption, in-system programmability, and a wide range of features make it an ideal choice for various embedded control applications.