dumaiss/uBITz**μBITz** – *ZAP 80s dreams into silicon.* Open modular 8-bit system: dock Z80/6502, tile SID/POKEY, boot in '83. M.2 LVDS serial, I²C map, Parity-10, ZAP IRQs. Spec + KiCad + Verilog + ref impl. Build. ZAP. Retro lives. `ubitz.dev` #μBITz
USB JTAG Programmer is an open-source printed circuit board by dumaiss, from the dumaiss/uBITz repository on GitHub. It is a 4-layer board of 31 × 35 mm with 24 parts on 56 nets, routed with 257 tracks and 61 vias.
It is built around the 93LC56BT-I/OT, FT232HL and ECS-2033-120-BN. Its parts include 11 capacitors, 5 resistors, 3 ICs, 2 connectors and 1 crystal. It belongs with the retro computing and games and interfaces and adapters boards of this library.
μBITz – ZAP 80s dreams into silicon.
Open modular 8-bit style system: host Z80/6502/68k/RISC-V, tile SID/POKEY, boot in '83. M.2 LVDS serial, I²C map, Parity-10, ZAP IRQs. Spec + KiCad + Verilog + ref impl. Build. ZAP. Retro lives. ubitz.dev #μBITz
| Qty | Value | Footprint | References |
|---|---|---|---|
| 4 | 1000n | Capacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C4, C5, C15, C16 |
| 3 | 10u | Capacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C1, C2, C3 |
| 2 | 12k | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R1, R4 |
| 2 | 220n | Capacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C26, C28 |
| 2 | 5k1 | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R2, R3 |
| 2 | 600R/500mA | Inductor_SMD:L_0805_2012Metric_Pad1.05x1.20mm_HandSolder | FB1, FB2 |
| 1 | 12401610E4_2A | Footprints:AMPHENOL_12401610E4_2A | J2 |
| 1 | 1u | Capacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C27 |
| 1 | 2k2 | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R5 |
| 1 | 2u | Capacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C25 |
| 1 | 93LC56BT-I/OT | Footprints:SOT-23-6_MC_MCH | U4 |
| 1 | Conn_02x05_Top_Bottom | Connector_PinHeader_2.54mm:PinHeader_2x05_P2.54mm_Vertical | J4 |
| 1 | ECS-2033-120-BN | Footprints:OSC_ECS-2033-120-BN | Y2 |
| 1 | FT232HL | Footprints:QFP50P900X900X160-48N | U3 |
| 1 | MAX662ACSA_T | Footprints:SOIC127P600X175-8N | U7 |
dumaiss/uBITz
**μBITz** – *ZAP 80s dreams into silicon.* Open modular 8-bit system: dock Z80/6502, tile SID/POKEY, boot in '83. M.2 LVDS serial, I²C map, Parity-10, ZAP IRQs. Spec + KiCad + Verilog + ref impl. Build. ZAP.
dumaiss/uBITz
**μBITz** – *ZAP 80s dreams into silicon.* Open modular 8-bit system: dock Z80/6502, tile SID/POKEY, boot in '83. M.2 LVDS serial, I²C map, Parity-10, ZAP IRQs. Spec + KiCad + Verilog + ref impl. Build. ZAP.
dumaiss/uBITz
**μBITz** – *ZAP 80s dreams into silicon.* Open modular 8-bit system: dock Z80/6502, tile SID/POKEY, boot in '83. M.2 LVDS serial, I²C map, Parity-10, ZAP IRQs. Spec + KiCad + Verilog + ref impl. Build. ZAP.
dumaiss/uBITz
**μBITz** – *ZAP 80s dreams into silicon.* Open modular 8-bit system: dock Z80/6502, tile SID/POKEY, boot in '83. M.2 LVDS serial, I²C map, Parity-10, ZAP IRQs. Spec + KiCad + Verilog + ref impl. Build. ZAP.
dumaiss/uBITz
**μBITz** – *ZAP 80s dreams into silicon.* Open modular 8-bit system: dock Z80/6502, tile SID/POKEY, boot in '83. M.2 LVDS serial, I²C map, Parity-10, ZAP IRQs. Spec + KiCad + Verilog + ref impl. Build. ZAP.
Polprzewodnikowy/SummerCart64
SummerCart64 - a fully open source N64 flashcart
tomkinsc/open-spectrometer
Code, mechanical designs, and electronic plans related to the OpenSpectrometer project.
hnz1102/sdcdmux-emmc
SD CARD and eMMC Device Multiplexer with Infrared Remote Controller
Epicjoy/SC64
This project's hardware and casing are modified based on the SummerCart64 project.
It measures 31 × 35 mm and has 4 copper layers, 1.6 mm thick.
24 parts, built around the 93LC56BT-I/OT, FT232HL and ECS-2033-120-BN. 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.
From the dumaiss/uBITz repository on GitHub, at the commit this page was made from: the board is uBITz Platform Code/Host/Schem/uBITz-Host-Reference-Impl/99-USB-JTAG-Programmer/USB-JTAG-Programmer/USB-JTAG-Programmer.kicad_pcb and its schematic uBITz Platform Code/Bank/Schem/uBITz-Bank-Reference-Impl/03-Z80-Based-Host/uBITz-Host-z80-Host/uBITz-Host-z80-Host.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Its repository states no licence, so its author keeps all rights: ask dumaiss before reusing the design.