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UPD780031AY - 8-BIT SINGLE-CHIP MICROCONTROLLERS

Download the UPD780031AY datasheet PDF. This datasheet also covers the UPD variant, as both devices belong to the same 8-bit single-chip microcontrollers family and are provided as variant models within a single manufacturer datasheet.

General Description

The µPD780031AY, 780032AY, 780033AY, and 780034AY are members of the µPD780034AY Subseries of the 78K/0 Series.

This is a µPD780034A Subseries product with an added multimaster-supporting I2C bus interface, and is suitable for AV equipment applications.

Key Features

  • Internal ROM and RAM Item Part Number Program Memory (Internal ROM) 8 Kbytes 16 Kbytes 24 Kbytes 32 Kbytes 1024 bytes Data Memory (Internal High-Speed RAM) 512 bytes Package µPD780031AY µPD780032AY µPD780033AY µPD780034AY.
  • 64-pin plastic shrink DIP (750 mils).
  • 64-pin plastic QFP (14 × 14 mm).
  • 64-pin plastic LQFP (12 × 12 mm).
  • External memory expansion space: 64 Kbytes.
  • Minimum instruction execution time: 0.24 µs (@ fX = 8.38-MHz operation.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (UPD-7800.pdf) that lists specifications for multiple related part numbers.

Other Datasheets by NEC (now Renesas Electronics)

Part Number Description
UPD780032AY 8-BIT SINGLE-CHIP MICROCONTROLLERS
UPD780033AY 8-BIT SINGLE-CHIP MICROCONTROLLERS
UPD780034AY 8-BIT SINGLE-CHIP MICROCONTROLLERS
UPD78001B 8-BIT SINGLE-CHIP MICROCOMPUTER
UPD780021A (UPD780021A - UPD780024A) 8-BIT SINGLE-CHIP MICROCONTROLLERS
UPD780022A (UPD780021A - UPD780024A) 8-BIT SINGLE-CHIP MICROCONTROLLERS
UPD780023 8 Bit Single-Chip Microcontrollers
UPD780023A (UPD780021A - UPD780024A) 8-BIT SINGLE-CHIP MICROCONTROLLERS
UPD780024 (UPD780034) 8 Bit Single-Chip Microcontrollers
UPD780024A (UPD780021A - UPD780024A) 8-BIT SINGLE-CHIP MICROCONTROLLERS

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
DATA SHEET µPD780031AY, 780032AY, 780033AY, 780034AY 8-BIT SINGLE-CHIP MICROCONTROLLERS MOS INTEGRATED CIRCUIT DESCRIPTION The µPD780031AY, 780032AY, 780033AY, and 780034AY are members of the µPD780034AY Subseries of the 78K/0 Series. This is a µPD780034A Subseries product with an added multimaster-supporting I2C bus interface, and is suitable for AV equipment applications. A flash memory version, the µPD78F0034AY, that can operate in the same power supply voltage range as the mask ROM version, and various development tools, are available. Detailed function descriptions are provided in the following user’s manuals. Be sure to read them before designing.