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AT89LS52-16AU

8051 8-bit MCU, 8KB Flash ISP, 256B RAM, 16MHz, 2.7-4V, 44-TQFP, -40~85°C

6200

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Pieza del fabricante：

AT89LS52-16AU

Paquete：

44-TQFP (10x10mm)

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Descripción

Productos

The AT89LS52-16AU is a low-voltage 8-bit 8051-based microcontroller from Microchip (formerly Atmel) with 8KB of in-system programmable Flash memory. It operates from 2.7V to 4.0V at up to 16MHz, providing a cost-effective solution for embedded control applications in a 44-pin TQFP package.

Especificaciones

Núcleo 8051 (MCS-51 compatible)
Core Size 8-bit
Max Frequency 16 MHz
Memoria de programa 8KB Flash (ISP)
RAM 256 bytes
I/O Pins 32
Temporizadores 3 x 16-bit
UART 1 (full duplex)
Fuentes de interrupción 8
Temporizador Watchdog Yes
Tensión de alimentación 2.7V to 4.0V
Paquete 44-TQFP (10x10mm)
Temperatura de funcionamiento -40°C to +85°C

Características

  • Low-voltage operation (2.7V-4.0V) — 3.3V compatible
  • ISP Flash — in-system programming via SPI
  • Dual data pointer for faster memory access
  • Power-off flag for power-fail detection
  • Idle and power-down modes
  • Interrupt recovery from power-down
  • Three-level program memory lock

Aplicaciones

  • Control industrial y automatización
  • Consumer electronics
  • Embedded instrumentation
  • Motor control systems
  • Legacy 8051 system migration

The AT89LS52-16AU is a low-voltage 8-bit microcontroller based on the industry-standard 8051 architecture, featuring 8KB of in-system programmable Flash memory. Operating from 2.7V to 4.0V at up to 16MHz, it provides 3.3V-compatible operation ideal for mixed-voltage systems. The device includes 256 bytes of RAM, 32 I/O lines, three 16-bit timers, a full-duplex UART, watchdog timer, and dual data pointers. ISP capability allows firmware updates without removing the device from the circuit.

The AT89LS52 executes the standard MCS-51 instruction set with most instructions completing in 1-2 machine cycles (12 oscillator periods per machine cycle at 16MHz). The CPU fetches instructions from the 8KB on-chip Flash, accesses data in the 256-byte internal RAM, and communicates through the 32 general-purpose I/O lines organized as Port 0-3. The three 16-bit timers can operate in modes 0-3 including capture, auto-reload, and baud rate generation. The UART supports full-duplex serial communication with programmable baud rates. ISP programming is performed through the SPI interface (P1.5=MOSI, P1.6=MISO, P1.7=SCK).

Port Pins Functions
P0 8 pins General I/O, Address/Data bus (AD0-AD7)
P1 8 pins General I/O, T2/T2EX, ISP (MOSI/MISO/SCK)
P2 8 pins General I/O, Address bus high (A8-A15)
P3 8 pins General I/O, UART/INT/Timers/WR/RD
  • Industrial PLC and motor drive control
  • Consumer appliance microcontroller
  • Embedded instrumentation and measurement
  • Legacy 80C51/80C52 system upgrade to 3.3V
  • Access control and security systems
Fabricante Número de pieza Flash Notas
Microchip AT89S52-16AU 8KB 5V version (4.5-5.5V)
Laboratorios Silicon C8051F320 16KB 8051 with USB, higher integration
Nuvoton N78E052A-16A 8KB 8051 equivalent, 5V
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Envíos y pagos

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Email: info@materialparts.com

Tel / WhatsApp: +86 13760382860

Servicio y embalaje

Materialparts is a professional electronic component supplier based in Shenzhen, China, with over 20 years of global trading experience. We integrate component procurement, quality inspection, technical support, customized packaging, and global delivery services to provide one-stop supply chain solutions. Our business covers industrial control, automotive electronics, consumer electronics, medical devices and other industries. We always adhere to genuine sources, stable supply and considerate after-sales service.

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All products are sourced from official authorized channels and are 100% original genuine parts. Every batch of goods undergoes strict full-process quality inspection before delivery, with complete batch records and traceability documents provided. Our products comply with AEC-Q standards for automotive electronics and high-reliability specifications for medical devices. We eliminate counterfeits, refurbished parts and defective products from the source to secure your project production.

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Professional Packaging Standards

Electronic components are sensitive to static electricity, collision, moisture and dust. We adopt industry-standard anti-static packaging solutions to fully ensure the integrity of goods during transportation and storage.

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Contact Information

For service consultation or packaging customization, please feel free to contact us:
Email: info@materialparts.com
Tel / WhatsApp: +86 13760382860
Address: Room 2919, Guoli Building, Huaqiang North, Futian District, Shenzhen, Guangdong, China
 

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