LA76931J7N59J8 Manual is a manual for the latest two-in-one (CPU+decoder) color TV super chip developed by Sanyo Corporation. The manual details the hardware characteristics and software implementation functions of the super chip.
The LA76931J is a two‑in‑one TV decoder chip developed by Sanyo, featuring a built‑in CPU and a range of video and audio functions for 14‑29 inch televisions. It integrates RAM, ROM, AD converters, timers and various control ports on a single 64‑pin package.
The document details the hardware features, pin assignments, port control states, factory‑logo settings, and automatic debugging procedures, helping users and technicians configure and service the device. This manual is written in Chinese.
| RAM | 512 × 8‑bit |
|---|---|
| ROM | 32 KB or 48 KB selectable |
| CPU instruction cycle | 0.85 ns |
| AD converters | 5 × 8‑bit |
| Crystal oscillator | 32.768 kHz |
The chip includes five 8‑bit AD converters.
The CPU can execute an instruction in 0.85 ns.
The CPU supports 15 interrupt sources with 9 interrupt entries.