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Mcr shield

alanswx·Arcade-MCR2-TangFPGA

Mcr shield layout, top view — open source board by alanswx

About the Mcr shield

Mcr shield is an open source PCB design by alanswx, published on GitHub. It is a 2-layer board measuring 135 × 95 mm, with 20 components from 20 distinct parts.

Other key parts include the Buck_Regulator, Optocoupler_P1, Optocoupler_Sys, Sync_Buffer and Audio_Amplifier. By type, the board carries 9 resistors, 5 ICs, 4 connectors and 2 switches.

It belongs with the dev boards & breakouts designs in this gallery.

From the project

Standalone port of the Bally Midway MCR arcade families for Sipeed Tang FPGA boards — no MiSTer/HPS required. MCR-2 (Tron, Domino Man, Satan's Hollow, Wacko, Kozmik Kroozr, Two Tigers), MCR-3/91490 (Tapper — hardware-verified — plus Timber and Discs of Tron), and MCR-1 (Kick, Kic

Standalone port of the Bally Midway MCR arcade families for Sipeed Tang FPGA boards — no MiSTer/HPS required. MCR-2 (Tron, Domino Man, Satan's Hollow, Wacko, Kozmik Kroozr, Two Tigers), MCR-3/91490 (Tapper — hardware-verified — plus Timber and Discs of Tron), and MCR-1 (Kick, Kickman, Solar Fox; builds, unverified). The flagship target is the Tang Console 60K: each family's games in one bitstream, selected at runtime from an on-screen menu, ROMs loaded from a single microSD card shared by every family (pack format v2). The roadmap toward the full-series multi-core jukebox is at the top of…

Main components on the Mcr shield

Buck_RegulatorOptocoupler_P1Optocoupler_SysSync_BufferAudio_Amplifier

Mcr shield bill of materials (BOM)

20 components, 20 distinct parts.

QtyPartRefs
1
Buck_Regulator
U1
1
Optocoupler_P1
U2
1
Optocoupler_Sys
U3
1
Sync_Buffer
U4
1
Audio_Amplifier
U5
1
MCR_P1_Controls
J2
1
MCR_System_Coin
J3
1
MCR_Opt_X_Dial
J4
1
MCR_P2_Controls
J5
1
Game_Selector
SW1
1
Cabinet_Options
SW2
1
3.9k_Red_LSB
R1
1
2.0k_Red_Mid
R2
1
1.0k_Red_MSB
R3
1
3.9k_Green_LSB
R4
1
2.0k_Green_Mid
R5
1
1.0k_Green_MSB
R6
1
3.9k_Blue_LSB
R7
1
2.0k_Blue_Mid
R8
1
1.0k_Blue_MSB
R9

Mcr shield design files

The KiCad project lives in the alanswx/Arcade-MCR2-TangFPGA repository on GitHub; these links point at the commit this page was built from.

Mcr shield: common questions

How big is the Mcr shield?

The Mcr shield measures 135 × 95 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Mcr shield?

20 components, from 20 distinct parts. The full bill of materials is listed on this page.

Where can I download the Mcr shield design files?

From the alanswx/Arcade-MCR2-TangFPGA repository on GitHub, which has the KiCad layout; the links under Design files point to each one.

Can I use the Mcr shield design in my own project?

The repository has no license, so all rights stay with alanswx. Use it as a reference, and ask the author before reusing the design.

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