This document is about DS5001FP 128k Soft Microprocessor Chip
The DS5001FP is an 8051‑compatible soft microprocessor with up to 128 kB of non‑volatile SRAM, on‑chip serial programming, and a lithium‑backed power supply for long‑term data retention. It offers 32 parallel I/O pins, two timer/counters, and a byte‑wide address/data bus for flexible memory access.
The data sheet provides ordering information, pin descriptions, memory organization, timing parameters, and package dimensions for both 80‑pin and 44‑pin MQFP versions, along with revision history and compliance notes.
| Package Type | 80‑pin MQFP |
|---|---|
| Non‑volatile SRAM Capacity | up to 128 kB |