UPD780032AY

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. µPD780024A, 780034A, 780024AY, 780034AY Subseries User's Manual: 78K/0 Series User’s Manual Instructions: U14046E U12326E 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) I/O ports: 51 (5-V-tolerant N-ch open-drain: 4) 10-bit resolution A/D converter: 8 channels (AVDD = 1.8 to 5.5 V) Serial interface: 3 channels (multimaster-supporting I2C bus mode, UART mode, 3-wire serial I/O mode) Timer: 5 channels Powe...