# Namco C140 Namco C140 is a 24-channel custom PCM sound chip manufactured jointly by Fujitsu and Namco. It was first used in Namco Sytem 2 arcade family starting in 1987. This chip features: - stereo soft panning - accepts either raw 12-bit PCM or proprietary 8-bit u-law compressed PCM samples - 21.4 kHz sampling rate # effects - `80xx`: set panning (`00: left, `80`: center, `FF`: right) - `81xx`: set left channel panning - `82xx`: set right channel panning # info this chip uses the [C140](../4-instrument/c140.md) instrument editor.