The µPD78F0058Y is an 8-bit single-chip microcontroller with a flash memory that can be programmed without removing the chip. The device has a 60 Kbyte flash memory, 1024 bytes of internal high-speed RAM, 1024 bytes of internal expansion RAM, and 32 bytes of buffer RAM.
The NEC uPD78F0058Y is an 8‑bit single‑chip microcontroller featuring 60 KB of internal flash memory, 1 KB of high‑speed RAM, an additional 1 KB of expandable RAM, and a 32‑byte buffer RAM. It operates from 1.8 V to 5.5 V and supports a variety of serial interfaces, A/D and D/A converters, timers, and watchdog functions. The document outlines the functional differences between the flash‑memory version and mask‑ROM versions, as well as the device’s pin‑compatible packages.
The manual includes detailed pin‑function tables, block diagrams, and instructions for memory‑size switching registers, flash programming methods, and package drawings. It also lists ordering information, development tools, and related documents, providing engineers with the necessary data to design and program the uPD78F0058Y.
| Flash memory capacity | 60 Kbytes |
|---|---|
| High‑speed RAM | 1024 bytes |
| Expansion RAM | 1024 bytes |
| Buffer RAM | 32 bytes |
| Power supply voltage | 1.8 V to 5.5 V |
| Operating temperature range | -40 °C to +85 °C |
The device includes 60 KB of internal flash memory.
It operates from 1.8 V up to 5.5 V.