This product is a member of the µPD780034AY series and is a µPD780034A subseries product with an added multimaster-supporting I2C bus interface, and is suitable for AV equipment applications.
This document is a technical datasheet for the NEC uPD780031AY, uPD780032AY, uPD780033AY, and uPD780034AY microcontrollers. These devices are members of the 78K/0 Series Subseries designed for AV equipment applications. They feature internal ROM and RAM, a multimaster-supporting I2C bus interface, and support power supply voltages from 1.8V to 5.5V.
| Program Memory (uPD780031AY) | 8 Kbytes |
|---|---|
| External memory expansion space | 64 Kbytes |
| Minimum instruction execution time | 0.24 us (@ fx = 8.38-MHz operation) |
| A/D converter resolution | 10-bit |
| Power supply voltage range | 1.8 to 5.5 V |
| Operating ambient temperature | -40 to +85°C |
The document number is U14045EJ1VODS00.
It was published in August 1999.