Xosera
About the Xosera PCB
Xosera is an open source PCB design by rosco-m68k, published on GitHub under the MIT license. It is a 4-layer board measuring 122 × 92 mm, with 43 components from 22 distinct parts.
Other key parts include the 74HCT245, ATF16V8BQL, GAL22V10 and 74LS74. By type, the board carries 11 capacitors, 9 resistors, 8 connectors, 6 ICs, 5 jumpers and 3 test points.
From the project
Supporting hardware, expansions and projects for the rosco_m68k
This repository expansion boards and some simple hardware projects for the roscom68k (https://github.com/rosco-m68k/roscom68k).
If you are building your own expansions, see the memory map for details of the memory map, and how to reserve your address space.
busboard - This is the roscbus-01 expansion bus board for the roscom68k ioread-poc - A POC project that interfaces with an Arduino (Mega-2560) ram-expansion - The roscram-01 1/2/3/4MB RAM expansion board video9958 - The V9958 video card mc68681-duart` - MC68681 Dual UART board
Main components on the Xosera
Xosera bill of materials (BOM)
43 components, 22 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 3 | 74HCT245 | DIP-20_W7.62mm_Socket_LongPads | IC1, IC2, IC5 |
| 1 | ATF16V8BQL | DIP-20_W7.62mm_Socket_LongPads | IC3 |
| 1 | GAL22V10 | DIP-24_W7.62mm_LongPads | IC4 |
| 1 | 74LS74 | DIP-14_W7.62mm_Socket_LongPads | IC6 |
| 1 | 2N3904 | TO-92_HandSolder | Q1 |
| 1 | CONN_01X04_MALE Conn_02x32_Odd_Even | pin-2X32 | J1 |
| 1 | Upduino_LHS | PinSocket_1x24_P2.54mm_Vertical | J2 |
| 1 | Upduino_RHS | PinSocket_1x24_P2.54mm_Vertical | J3 |
| 1 | PMOD_TOP | PinSocket_2x06_P2.54mm_Horizontal | J4 |
| 1 | USB_C_RECEPTACLE_USB2.0 PMOD_BOTTOM | PinSocket_2x06_P2.54mm_Horizontal | J5 |
| 1 | CS2 Conn_01x06_Male | PinHeader_1x06_P2.54mm_Vertical | J6 |
| 1 | Conn_02x04_Counter_Clockwise | PinHeader_2x04_P2.54mm_Vertical | J7 |
| 1 | DB9_MALE_MOUNTINGHOLES Conn_02x04_Counter_Clockwise | PinHeader_2x04_P2.54mm_Vertical | J8 |
| 5 | Jumper | PinHeader_1x02_P2.54mm_Vertical | JP1, JP3, JP4, JP5, JP6 |
| 3 | Conn_01x08_Male | PinHeader_1x08_P2.54mm_Vertical | TP1, TP2, TP3 |
| 9 | 100NF 100nF | C2.5-3 | C1, C2, C3, C4, C5, C6, C9, C10 +1 |
| 1 | 100NF 100uF | CP_Radial_D5.0mm_P2.50mm | C7 |
| 1 | 100NF 220uF | CP_Radial_D6.3mm_P2.50mm | C8 |
| 2 | 5.1K R | R-0207_10 | R1, R2 |
| 3 | 10K R | R-0207_10 | R3, R4, R5 |
Show 2 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 3 | R | R-0207_10 | R6, R7, R8 |
| 1 | 150K | R-0207_10 | R9 |
Xosera design files
The KiCad project lives in the rosco-m68k/hardware-projects repository on GitHub; these links point at the commit this page was built from.
Xosera: common questions
How big is the Xosera PCB?
The Xosera measures 122 × 92 mm, has 4 copper layers and is 1.6 mm thick.
How many components are on the Xosera?
43 components, from 22 distinct parts, with part numbers taken from the project's own BOM. The full bill of materials is listed on this page.
Where can I download the Xosera design files?
From the rosco-m68k/hardware-projects repository on GitHub, which has the KiCad layout and the BOM; the links under Design files point to each one.
Can I use the Xosera design in my own project?
Yes, under the terms of its MIT license, which rosco-m68k chose for the repository.
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