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Cyclone Analogic TT-303 Bass Bot MK1
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P8031AH
AMD Intel-based 8-bit CPU /...
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P8031AH
New product
AMD Intel-based 8-bit CPU / microcontroller (MCS-51) in DIP-40, used as the main system controller in vintage synthesizers and keyboards.
This product is no longer in stock
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Roland JX-3P
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Roland JX-8P
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Roland JX-10 Super JX
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Roland Jupiter-6
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Roland MKS-70 / MKS-80
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Kawai SX-240
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Crumar Bit 99
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360 Systems MIDI Bass
The P8031AH is a classic Intel MCS-51 based 8-bit CPU / microcontroller, supplied in a 40-pin DIP package.
It contains the full CPU core but no internal program ROM, and therefore operates with external memory. This design made it widely used as a main system CPU in professional embedded and musical instruments during the 1980s.
The P8031AH is found in several well-known vintage synthesizers and keyboards, including:
In these instruments, the P8031AH CPU manages essential system functions such as voice scanning, front-panel control, display handling, MIDI communication, and real-time control or sequencing tasks.
Ideal for vintage repair, restoration, or authentic replacement where original specifications are required.