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4 layers130.8 × 85.1 mmX68k adapter, the printed circuit board in 3D

X68k adapter

spookbench/X24681

(WIP) Keyboard & mouse USB adapter for the Sharp X68000 computer

Size
130.8 × 85.1 mm
Copper layers
4
Thickness
1.6 mm
Parts
43
Nets
65
Pads
189
Tracks, vias
334, 6
Pours
1
Routed
Yes
KiCad
KiCad 7 (file 20221018)
Created
17 Jul 2023
Updated
23 Aug 2023

Overview

X68k adapter is an open-source printed circuit board by spookbench, from the spookbench/X2468 repository on GitHub. It is a 4-layer board of 130.8 × 85.1 mm with 43 parts on 65 nets, routed with 334 tracks and 6 vias.

It is built around the USB2422/MJ, TPD2EUSB30DRT and EA DOGM162S-A. Its parts include 12 capacitors, 5 connectors, 4 resistors, 4 ICs and 2 fuses. It belongs with the interfaces and adapters boards of this library.

Main components

3

Parts

43
QtyValueFootprintReferences
9TestPointTestPoint:TestPoint_Pad_1.0x1.0mmTP1, TP2, TP3, TP4, TP5, TP6, TP7, TP8, TP9
3100nCapacitor_SMD:C_1206_3216Metric_Pad1.33x1.80mm_HandSolderC2, C3, C8
3100n 25V ceramicCapacitor_SMD:C_1206_3216Metric_Pad1.33x1.80mm_HandSolderC5, C9, C11
347kResistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolderR2, R3, R4
2100u 25VCapacitor_SMD:C_1206_3216Metric_Pad1.33x1.80mm_HandSolderC10, C12
230pFCapacitor_SMD:C_1206_3216Metric_Pad1.33x1.80mm_HandSolderC6, C7
2500mAFuse:Fuse_1206_3216Metric_Pad1.42x1.75mm_HandSolderF1, F2
2TPD2EUSB30Package_TO_SOT_SMD:Texas_DRT-3U3, U4
2USB_AConnector_USB:USB_A_Molex_67643_HorizontalJ1, J2
112k0 1%Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolderR1
11uCapacitor_SMD:C_1206_3216Metric_Pad1.33x1.80mm_HandSolderC4
11uF 25V ceramicCapacitor_SMD:C_1206_3216Metric_Pad1.33x1.80mm_HandSolderC1
124MHzCrystal:Crystal_HC49-4H_VerticalY1
1EA_DOGM162S-ADisplay:EA_DOGM128-6DS1
1PGA2040Package_PGA48:PGA48U1
1SWDConnector_PinHeader_2.54mm:PinHeader_1x04_P2.54mm_VerticalJ3
1SW_PushButton_Switch_THT:SW_PUSH_6mmSW1
1UARTConnector_PinHeader_2.54mm:PinHeader_1x04_P2.54mm_VerticalJ4
1USB2422Package_DFN_QFN:QFN-24-1EP_4x4mm_P0.5mm_EP2.6x2.6mmU2
1X68k connConnector_PinHeader_2.54mm:PinHeader_1x05_P2.54mm_VerticalJ5

The 39 most common of 43 parts.

Questions

How big is the X68k adapter PCB?

It measures 130.8 × 85.1 mm and has 4 copper layers, 1.6 mm thick.

What parts does the X68k adapter use?

43 parts, built around the USB2422/MJ, TPD2EUSB30DRT and EA DOGM162S-A. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.

Where can I download the X68k adapter KiCad files?

From the spookbench/X2468 repository on GitHub, at the commit this page was made from: the board is x68k_adapter.kicad_pcb and its schematic x68k_adapter.kicad_sch. PCBKit opens the board in the browser, with nothing to install.

Can I use the X68k adapter design in my own project?

Its repository states no licence, so its author keeps all rights: ask spookbench before reusing the design.

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