NationMaster - Encyclopedia: YMF262

The Yamaha YMF262 also known as the OPL3 (OPL is an acronym for FM Operator Type-L), is an improved version of the sound chip Yamaha YM3812 (OPL2). It adds the following features:

Twice as many channels (18 instead of 9)
Simple stereo (hard left, center or hard right)
4 new waveforms (alternating-sine, "camel"-sine, square and logarithmic saw)
4 oscillator mode (combines 2 channels together, for maximum 6 channels)
Less time spent busy-waiting for a response from the chip, improved latency and system performance (the OPL2 required pretty long delays)

Results from FactBites:

MBHP OPL3 Module (897 words)
	The YMF262 sound chip was mostly sold in a 24-pin SOP package which is (unfortunately) hard to handle for soldering novices.
	Desoldering the YMF262 and YAC512 from and old soundblaster (or compatible) card is one of the most critical things in this project which requires some practice.
	The easiest way I found out is the use of an isolated copper cable (can be taken from a old coil or transformer), which has to be threaded beneath the small SMD pins.

More results at FactBites »

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