User manual for 8-bit microcontrollers P89LPC915/916/917, including product introduction, usage instructions and technical parameters
This manual introduces the P89LPC915, P89LPC916 and P89LPC917 8‑bit microcontrollers, describing their high‑performance two‑clock 80C51 core, integrated analog‑digital converter, and on‑chip peripherals. It outlines the device architecture, logic symbols, and product comparison across the three variants.
The document includes detailed pin configurations, I/O port functions, clock options, ADC operation modes, interrupt structures, UART, I²C and SPI interfaces, as well as programming instructions and memory organization. Appendices contain the full instruction set summary and legal notices.
| Core architecture | two‑clock 80C51 core |
|---|---|
| ADC resolution | 8‑bit |
| Port 0 I/O width | 6‑bit |
| Port 1 I/O width | 6‑bit |
| Package (P89LPC915) | TSSOP14, 14 pins |
| Analog comparators | 2 |
It uses a two‑clock 80C51 core.
Port 0 provides a 6‑bit I/O port.
The P89LPC915 is supplied in a TSSOP14 package with 14 pins.