Dec 31, 2015 hello all, i was having a look around ebay for a replacement ay 38912 sound chip for the vectrex, and noticed on ebay that the ay 38912a revision of the chip is more readily available, and very cheap in price compared to the earlier ay 38912 revision but i read somewhere that the ay 38912a re. Communication between the processor and the psg is based on the concept of memorymapped io. Onsemi programmable unijunction transistor,alldatasheet, datasheet, datasheet search site for. Im somewhat experimented in programming but not in electronics. Xilinx spartan 3 generation devices are the only lowcost fpga family to cut your total cost by an ay 3 8912 sound chip from general. Offer ay38910a mic from kynix semiconductor hong kong limited. So, this fact allowed using all of these chips in zx spectrum analogs with keeping of software compatibility. The ay38910 has two generalpurpose 8bit parallel io ports, a and b, and these are available in the 40pin package of the same name the ay38912 is the same chip in a 28pin package, with parallel port b simply not connected to any pins. The ay38912ap is available in dip package, is part of the ic chips. Interfacing pic18f4520 to ay38910 sound generator microchip. For these above operations to occur, this signal must be true in. General instruments ay38910 is a chip associated with video game music and is popular with arcade games and pinball machines.
The ay38910891289 programmable sound generator psg is a lsi circuit which can produce a wide variety of complex sounds under software control. Ay38910 pdf, ay38910 description, ay38910 datasheets. Programmable sound generator, ay 3 8910 datasheet, ay 3 8910 circuit, ay 3 8910 data sheet. Escrow service protects both buyers and sellers by acting as a trusted thirdparty during the transaction. Chip is only active when a9 is low, a8 is high, and address bits da7da4 are low.
I am interfacing a pic18f4520 to an ay38910 sound generator. Ay53600 etc1 list of unclassifed manufacturers, ay5. This can be made much smaller than a discrete circuit made from independent. The letter a added to the indentifier indicates that this is a version with a better compatibility with external chips.
General instrument ay38910 and ay38912 programmable sound generators. Etc1 programmable sound generator,alldatasheet, datasheet, datasheet search site for electronic components and semiconductors, integrated circuits, diodes, triacs, and other semiconductors. Arduinosketchesay38910 sound chipquarzless control at. Ay 3 8910 datasheet, ay 3 8910 datasheets, ay 3 8910 pdf, ay 3 8910 circuit. Ay39400 gi integrated circuits ics jotrin electronics. Ay38910 datasheet pdf 4 page list of unclassifed manufacturers. Ay38910 datasheetpdf list of unclassifed manufacturers.
The ay 3 8910 891289 programmable sound generator psg is a lsi circuit which can produce a wide variety of complex sounds under software control. Ay 3 8910 datasheet pdf 4 page list of unclassifed manufacturers. The ay8930p is a psg designed by microchip technology. Ay 38500 ball and paddle components datasheet pdf data sheet free from datasheet data sheet search for integrated circuits ic, semiconductors and other electronic components such as resistors, capacitors, transistors and diodes. This will like the old behaviour, output between this will like the old behavior, output between. Ay38910 is the original chip that has been used to define a part of the msx specification. I currently am using an adafruit max98306 breakout instead.
The ay389108912 is a register oriented programmable sound generator psg. Sep 22, 2010 ill be happy to upload this when its complete. The amplifier originally was an lm386 design from figure 16 of the ay 3 8910 datasheet. Programmable sound generator, ay38910 datasheet, ay38910 circuit, ay38910 data sheet. The ay38910891289 is manufactured in the general instrument nchannel ion implant process. I am planning to do a little theraminsynth with the ay38910 ic the one used on nes and so many other old consoles, it doesnt seem too complicated, but there is something i dont understand from the ic datasheet. Interfacing pic18f4520 to ay 3 8910 sound generator i am interfacing a pic18f4520 to an ay 3 8910 sound generator. Ay38910 datasheet, ay38910 pdf, ay38910 data sheet, ay38910 manual, ay38910 pdf, ay38910, datenblatt, electronics ay38910, alldatasheet, free, datasheet, datasheets, data sheet, datas sheets, databook, free datasheet. An integrated circuit or monolithic integrated circuit also referred to as an ic, a chip, or a microchip is a set of electronic circuits on one small plate chip of semiconductor material, normally silicon. The ay 3 8910 8912 is a register oriented programmable sound generator psg. I will propose you an update on this, taken from an actual schematic, the one used on the oric 1atmos.
Requirements to operate this programmable sound generator include, a single 5. Etc1, alldatasheet, datasheet, datasheet search site for electronic components and semiconductors, integrated circuits, diodes, triacs, and other semiconductors. I drive the ay 3 8910 control bus with additional gpios. To limit the number of gpios needed, two 74hc595 shift registers are used to provide the parallel inputs to the ay. Building the vmw raspberry pi ay38910 chiptune player. Offer ay 38910a mic from kynix semiconductor hong kong limited. Ay38912ap with eda cad models manufactured by mircochip. Does anybody have any documentation other then the spec sheet and data manual or sample code th. Compare pricing for microchip ay38910a across 2 distributors and discover alternative parts, cad models, technical specifications, datasheets, and more on octopart. Interfacing with an ay 38910 chip arduino forum index. Ay38910 datasheetpdf 4 page list of unclassifed manufacturers. The amplifier originally was an lm386 design from figure 16 of the ay38910 datasheet. I drive the ay38910 control bus with additional gpios.
The ay38500 contained six selectable games tennis a. The envelopevolume control register is 6 bits wide instead of 5 bits, and. Etc programmable sound generator,alldatasheet, datasheet, datasheet search site for electronic components and semiconductors, integrated circuits, diodes, triacs, and other semiconductors. The chip has two modes, ay8930 expanded mode which has several features not found on the. Ay 38912 chip widely used in original zx spectrum 128k computers.
This variant of the chip adds a number of major enhancements, such as separate. Address bits da3da0 select one of the 16 control registers. The chip with the same identifier plus the letter a at the end has exactly the same characteristics except that it has better compatibility with external chips. Mar 28, 2006 the main difference between the ay 3 8910 and the ym2149 is, that the ay 3 8910 datasheet mentions, that fixed volume level 0, which is set by registers 8 to 10 is channel off. The ay38910 is a 3voice programmable sound generator psg designed by general instrument in 1978. The ay 38912 is a lsi circuit that produces a wide variety of sounds under software control. In order to save gpios i use 74hc595 shift registers driven by spi. The ym2149 mentions, that the generated signal has a 2v dc component.
Control commands are issued to the psg by writing to 16 memorymapped registers. Ay 3 8910 cp1610 ay 389 ep15 pic1650 ay38912p ay38912 text. Ay38910 datasheethtml 4 page list of unclassifed manufacturers. The ay3890089001 takes this signal low to request the first line access for a new row of twenty characters.
The ay 3 8910 side runs at 5v so those gpios have to be level converted. Ay38910 datasheethtml 3 page list of unclassifed manufacturers. But, the first two pins 0 and 1 are connected to the serial interface thats used to bootload the chip and to make serial. Ay38910 datasheetpdf 2 page list of unclassifed manufacturers. Ay38910 datasheet, ay38910 pdf, ay38910 data sheet, ay38910 manual, ay38910 pdf, ay38910, datenblatt, electronics ay38910, alldatasheet, free, datasheet. Ay38910 datasheet, ay38910 datasheets, ay38910 pdf, ay38910 circuit. Ay389108912 programmable sound generator data manual. The function of the bc2 pin is changed it is ignored and assumed to be 0 regardless of the pin state, otherwise the pinout is the same as the ay 3 8910. Keyboard encoder online from elcodis, view and download ay53600 pdf datasheet, in stock specifications. Ay 38910 is not a flight number ni community forum.
Youll need an 8bit parallel bus to connect to the ay38910s data pins. This sound generator is an old technology but i am hoping to generate very simple sounds. Ay 3 8910 datasheet, ay 3 8910 pdf, ay 3 8910 data sheet, ay 3 8910 manual, ay 3 8910 pdf, ay 3 8910, datenblatt, electronics ay 3 8910, alldatasheet, free, datasheet, datasheets, data sheet, datas sheets, databook, free datasheet. This is sample manual download and detailed introduction of ay80, and is available free. I am planning to do a little theraminsynth with the ay 3 8910 ic the one used on nes and so many other old consoles, it doesnt seem too complicated, but there is something i dont understand from the ic datasheet. The ay38910 side runs at 5v so those gpios have to be level converted. The register mapping is different from the ay38910, the ay38914 register. Mitsubishi ay80 datasheet pdf catalog ay80 pdf datasheet. Ay8930p video game music preservation foundation wiki.
Chip is only active when a9 is low, a8 is high, and address bits da7da4 are low address bits da3da0 select one of the 16 control registers. The 8910 silicon chip was sold in three different packages. The main difference between the ay38910 and the ym2149 is, that the ay38910 datasheet mentions, that fixed volume level 0, which is set by registers 8 to 10 is channel off. It original chip that has been used to define a part of the msx specification. Ay 3 8910 datasheet html 4 page list of unclassifed manufacturers. Each of the 16 registers within the psg is also readable so. The ay 3 8910 891289 is manufactured in the general instrument nchannel ion implant process. Ym2149 is analog of ay 3 8910, and ay 38912 is simplified its version. Ay38912 ay38912 programmable sound generator ic general. Here is the download for mitsubishi ay80 datasheet pdf catalog ay80 pdf.
Yet another arduino ay38910 project, there are many like it. The ay389 is available in dip24 package, is part of the ic chips. The ay 38930, also known as ay8930, is an enhanced but mostlybackwardscompatible version of the ay 3 8910. These chips were designed to output video to an rf modulator, which would then display the game on a domestic television set. Youll need an 8bit parallel bus to connect to the ay 3 8910 s data pins. Ay53600 etc1 list of unclassifed manufacturers, ay53600. Ay38912 datasheet, ay38912 datasheets, ay38912 pdf, ay38912 circuit. The ay389108912 is manufactured in gls nchannel ion implant process. The oric also use an ay38910 as its sound chip, and i never heard the audio saturate in all conditions. Request etc1 list of unclassifed manufacturers ay53600. Ay38910 cp1610 ay389 ep15 pic1650 ay38912p ay38912 text. The ay38912a is available in dip package, is part of the ic chips.
The chip is very similar to the ay38910 both in name and design, as it is an enhanced edition of the chip made by general instrument before the company spun off their microelectronics division to microchip technology. Contribute to quasimondoarduino sketches development by creating an account on github. This material copyrighted by its respective manufacturer. For ym2149, connecting pin 26 to ground divides clock by 2.