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Saturn Pad Demuxer S2N Version Updated

author: Arthrimus
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2 layer board of 1.55 x 1.66 inches (39.3 x 42.1 mm)
Uploaded: November 11, 2019
Shared: November 11, 2019
Total Price: $12.80

An ATMEGA8/48/88/168/328 based Saturn controller demuxer.

This board takes gamepad inputs and converts them to discrete outputs for connecting to arcade PCBs, Superguns and NEO GEO AES consoles. The pinout for the DB15 pinout matches that of Undamnded’s USB DB-15 adapters.

BOM:

U1: ATMEGA8/48/88/168/328 TQFP32

C1: 0.1uF 0603

R1, R2: 1kohm 0603

R3: 330ohm 0603

D1: XZCBD60W

DB15-F: A-DF 15 A/KG-T2S

SATURN: Sega Saturn extension cable female port.

Firmware for this board is on Github Here.
Program using an ISP programmer. Use 8Mhz internal oscillator.

An ATMEGA8/48/88/168/328 based Saturn controller demuxer.

This board takes gamepad inputs and converts them to discrete outputs for connecting to arcade PCBs, Superguns and NEO GEO AES consoles. The pinout for the DB15 pinout matches that of Undamnded’s USB DB-15 adapters.

BOM:

U1: ATMEGA8/48/88/168/328 TQFP32

C1: 0.1uF 0603

R1, R2: 1kohm 0603

R3: 330ohm 0603

D1: XZCBD60W

DB15-F: A-DF 15 A/KG-T2S

SATURN: Sega Saturn extension cable female port.

Firmware for this board is on Github Here.
Program using an ISP programmer. Use 8Mhz internal oscillator.

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      Since this is a project designed by a community member, it may contain design errors that prevent it from working as intended. OSH Park cannot place any guarantees about the functionality or correctness of the design.
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