P89LPC935FDH 8-bit microcontroller

The P89LPC935FDH is a high-performance 8-bit microcontroller from NXP (Philips) built around an enhanced 80C51 core, optimized for embedded control and automation applications. Featuring low power consumption, high processing speed, and flexible peripherals, it’s an ideal choice for DIY electronics, robotics, and industrial automation systems.

This microcontroller integrates up to 8 KB of Flash memory, 512 bytes of RAM, and EEPROM data memory, offering ample storage for compact and efficient program execution. It supports In-System Programming (ISP) and In-Application Programming (IAP), enabling easy firmware updates without removing the chip from the circuit.

The P89LPC935FDH also includes a rich set of peripherals—such as two 16-bit timers/counters, UART, SPI, I²C, and multiple I/O ports—making it versatile for controlling sensors, displays, motors, and communication interfaces.

Key Features:

• 8-bit 80C51-based enhanced CPU core

• 8 KB Flash, 512 B RAM, 1 KB EEPROM

• Up to 18 programmable I/O lines

• SPI, I²C, and UART serial interfaces

• Two 16-bit timers/counters and watchdog timer

• In-System and In-Application Programming support

• Low power modes for battery-efficient operation

• Operating voltage: 2.4V – 3.6V

• Compact TSSOP-20 package