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UPD780228 - (UPD780226 / UPD780228) 8 Bit Single-Chip Microcontrollers

Download the UPD780228 datasheet PDF. This datasheet also covers the UPD780226 variant, as both devices belong to the same (upd780226 / upd780228) 8 bit single-chip microcontrollers family and are provided as variant models within a single manufacturer datasheet.

General Description

The µPD780226 and µPD780228 are members of the µPD780228 Subseries of the 78K/0 Series.

enhanced for the µPD780228 Subseries.

Key Features

  • I/O ports: 72 (sixteen N-ch open-drain I/O ports).
  • Internal high-capacity ROM and RAM Item Part Number µPD780226 µPD780228 Program memory (ROM) 48 Kbytes 60 Kbytes Internal high-speed RAM 1024 bytes Data memory Internal expanded RAM 512 bytes FIP display RAM 96 bytes.
  • Minimum instruction execution time can be changed from high-speed (0.4 µs) to low-speed (6.4 µs).
  • FIP controller/driver: 48 display outputs (Universal grid supported).
  • 8-bit reso.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (UPD780226_NEC.pdf) that lists specifications for multiple related part numbers.

Full PDF Text Transcription for UPD780228 (Reference)

Note: Below is a high-fidelity text extraction (approx. 800 characters) for UPD780228. For precise diagrams, and layout, please refer to the original PDF.

DATA SHEET MOS INTEGRATED CIRCUIT µPD780226, 780228 8-BIT SINGLE-CHIP MICROCONTROLLERS DESCRIPTION The µPD780226 and µPD780228 are members of the µPD780228 Subseries of t...

View more extracted text
he µPD780226 and µPD780228 are members of the µPD780228 Subseries of the 78K/0 Series. The FIP™ (VFD) controller/driver and N-ch open-drain port of the conventional µPD78044H Subseries have been enhanced for the µPD780228 Subseries. A flash memory version, the µPD78F0228, that can operate within the same power supply voltage range as the mask ROM version, and various development tools are under development. The details of functions are described in the following user’s manuals. Be sure to read them before designing.

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