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DATA SHEET
µPD780021A, 780022A, 780023A, 780024A 780021AY, 780022AY, 780023AY, 780024AY
8-BIT SINGLE-CHIP MICROCONTROLLERS
MOS INTEGRATED CIRCUIT
DESCRIPTION
The µPD780021A, 780022A, 780023A, and 780024A are members of the µPD780024A Subseries of the 78K/0 Series. Only selected functions of the existing µPD78054 Subseries are provided, and the serial interface is enhanced. com The µPD780021AY, 780022AY, 780023AY, and 780024AY are the µPD780024A Subseries with a multimaster supporting I2C bus interface, which makes them suitable for AV equipment. Flash memory versions, the µPD78F0034A, 78F0034B, 78F0034AY, and 78F0034BY, that can operate in the same pow...