Description
SN76489 3 in 1 Sound board
This board combines the SN76489 with an LM386 Amplifier and an LM3915 LED BAR/DOT display. For project code see https://github.com/bchiha/Ready-Z80/tree/main/16-SN76489_Sound_Generator/
Note: The board has been updated to include a 74HC273 data latch. This will reduce interference from the data bus to the amplifier.
For more information on this board and to see it working see
Code
Z80 Source code and basic code
https://github.com/bchiha/Ready-Z80/tree/main/16-SN76489_Sound_Generator/code
Schematic and Layout
PCB and Schematics
https://github.com/bchiha/Ready-Z80/tree/main/16-SN76489_Sound_Generator/PCB
Dec 16,2022
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SN76489 3 in 1 Sound board
2 Layers PCB 89 x 47.09 mm FR-4, 1.6 mm, 1, HASL with lead, Green Solder Mask, White silkscreen
SN76489 is a Programmable Music Generator that can play 3 tones and noise simultaneously.
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Published: Dec 16,2022
Download Gerber file 7
BOM(Bill of materials)
PCBWay Donate 10% cost To Author
File Last Updated: 2023/03/16 (GMT+8)
File update record
2023-03-1610:32:36
Parts List (BOM) is updated.
2023-03-1610:32:36
Gerber file is updated.
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PCB+Assembly
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