This document provides preliminary product information for the µPD78F9328, an 8-bit single-chip microcontroller from NEC Corporation. It is part of the 78K/0S series and features expanded flash memory, making it ideal for development trials, small-scale production, or applications that require frequent upgrades. The document also includes detailed function descriptions and user manuals.
The NEC uPD78F9328 is a member of the 78K/0S Series, specifically designed as a subseries for remote controllers with integrated LCD capabilities. It features expanded flash memory replacing internal ROM, allowing programs to be written and erased while mounted on the target board, making it ideal for development trials and applications requiring frequent upgrades.
The device includes an 8-bit CPU core, 32Kbytes of Flash memory, 512 bytes of high-speed RAM, and a dedicated LCD controller/driver with segment and common signal outputs. It supports supply voltages from 1.8V to 5.5V and operates within an ambient temperature range of -40°C to +85°C.
| Internal Flash memory capacity | 32 Kbytes |
|---|---|
| Internal high-speed RAM | 512 bytes |
| LCD display RAM | 24 bytes |
| Supply voltage range | 1.8 to 5.5 V |
| Operating ambient temperature | -40 to +85°C |
| Package type | 52-pin plastic LQFP (10 mm x 10 mm) |
It is ideal for remote-control devices and healthcare equipment.
Yes, flash memory allows the program to be written and erased with the device mounted on the target board.
The variable minimum instruction execution time is 0.4 us or 1.6 us depending on speed settings.