87LPC764 is a low power, low price, low pin count (20 pin) microcontroller with 4 kB OTP from Philips Semiconductors.
The Philips 87LPC764 is a 20‑pin single‑chip microcontroller aimed at low‑pin‑count applications. It features an accelerated 80C51 CPU core, 4 KB on‑chip EPROM, 128 bytes RAM, two 16‑bit timers, two analog comparators, a full‑duplex UART and an I²C communication port.
The device operates from 2.7 V to 6.0 V, supports up to 20 MHz CPU speed, and offers flexible I/O configurations with 15 minimum and up to 18 pins. It is available in DIP and SO packages and includes on‑chip watchdog, brown‑out detection, and programmable oscillator options.
| Operating voltage range | 2.7 V to 6.0 V |
|---|---|
| Maximum CPU frequency | 20 MHz |
| EPROM code memory | 4 KB |
| RAM data memory | 128 bytes |
| Customer code space | 32 bytes |
| Analog comparators | Two |
| UART | Full‑duplex |
| I²C interface | Supported |
| Package types | 20‑pin DIP and SO |
| Temperature range (SO package) | -45 °C to +85 °C |
The microcontroller operates from 2.7 V to 6.0 V.
The device includes 4 KB of EPROM code memory.
It is offered in 20‑pin DIP and Small‑Outline (SO) packages.