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AT89LP828-20PU

The AT89LP828-20PU is a low-power CMOS 8-bit microcontroller unit (MCU) with 8K bytes of in-system programmable flash memory manufactured by Atmel, which is now a part of Microchip Technology. This device is based on the enhanced low-power 8052 microprocessor and features on-chip flash memory, 128 bytes of RAM, and an array of peripherals to support a wide range of applications.

Description:

The AT89LP828-20PU is a member of the AT89LP series, which is designed for low-power applications. It operates with a single 2.7V to 6V power supply and offers various power-saving modes, including idle and power-down modes, to extend battery life in portable devices.

Features:

1. CPU: Enhanced low-power 8052 CPU with 8K bytes of in-system programmable flash memory.
2. Memory: 128 bytes of internal SRAM and 256 bytes of EEPROM.
3. I/O: 16 5V-tolerant I/O lines with optional pull-ups.
4. Clock: Internal RC oscillator (4 MHz to 24 MHz) or external clock input.
5. Power Saving: Idle and power-down modes for low-power consumption.
6. Timers: Two 16-bit timer/counters with watchdog timer functionality.
7. Communication: One full-duplex UART (Universal Asynchronous Receiver/Transmitter) for serial communication.
8. Interrupts: 5 interrupt sources with two-level priority for efficient interrupt handling.
9. On-chip peripherals: Two 8-bit auto-reload timers, watchdog timer, and program memory write protection.
10. Security: In-system programmable flash memory with read and write protection.

Applications:

The AT89LP828-20PU is suitable for a wide range of applications due to its low-power consumption, versatile features, and compact form factor. Some potential applications include:

1. Battery-powered devices: Portable electronics, wireless communication devices, and remote controls.
2. Industrial control: Sensors, actuators, and monitoring systems in industrial automation.
3. Consumer electronics: Home appliances, toys, and security systems.
4. Medical equipment: Patient monitoring devices, wearable health monitors, and portable medical instruments.
5. Telecommunication: Modems, routers, and other network equipment.
6. Automotive: In-vehicle control systems, sensor interfaces, and infotainment systems.

The AT89LP828-20PU is available in a 20-pin plastic package (PU) and is designed to be an energy-efficient and cost-effective solution for a variety of embedded applications.