DragonOne MC68EZ328 SBC
kanpapa·MC68EZ328·KiCad/DragonOne_cpu_rev03/DragonOne_cpu_rev03.kicad_pcb
About the DragonOne MC68EZ328 SBC PCB
DragonOne MC68EZ328 SBC is an open source PCB design by kanpapa, published on GitHub under the BSD-3-Clause license. It is a 2-layer board measuring 100 × 100 mm, with 43 components from 23 distinct parts.
Other key parts include the MC68EZ328, MT4LC4M16R6, AM29LV033, 74LCX245 and 74LCX00. By type, the board carries 16 capacitors, 10 ICs, 8 connectors, 4 resistors, 2 switches and 1 transistor.
From the project
MC68EZ328 DragonOne SBC
We are designing the MC68EZ328 DragonOne SBC with KiCad.
Based on DragonOne V1.0 (C) Khaled Hassounah http://www.mediumware.net/DragonOne/DragonOne.htm
CPU: MC68EZ328 DragonBall-EZ Flash Memory: Am29LV033C 32 Megabit (4M x 8-Bit) x 2 DRAM: MT4LC4M16R6 64 Megabit (4M x 16-bit) RTC: DS1306
/b/ All b-record for programming and testing the MC68EZ328 DragonOne. /bbug/ BBUG: a bootstrap mode debugger. Implementation of BBUG using python3 and pyserial. /d/ This is the data to execute a series of commands in 68k-Monitor. /Hardware/ PDF files of schematics and BOMs /KiCad/ PCB design data and…

Main components on the DragonOne MC68EZ328 SBC
DragonOne MC68EZ328 SBC bill of materials (BOM)
43 components, 23 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | MC68EZ328 | TQFP-100_14x14mm_P0.5mm | U1 |
| 1 | MT4LC4M16R6 | TSOP-II-50_21x10.16mm_P0.8mm | U2 |
| 2 | AM29LV033 | TSOP-I-40_18.4x10mm_P0.5mm | U3, U4 |
| 4 | 74LCX245 | TSSOP-20_4.4x6.5mm_P0.65mm | U5, U6, U7, U8 |
| 1 | 74LCX00 | TSSOP-14_4.4x5mm_P0.65mm | U9 |
| 1 | DS1306 | TSSOP-20_4.4x6.5mm_P0.65mm | U10 |
| 1 | 32.768KHZ 32.768kHz | Crystal_DS26_D2.0mm_L6.0mm_Horizontal | Q1 |
| 1 | DATA_BUS | PinHeader_2x08_P2.54mm_Vertical | J1 |
| 1 | ADDR_BUS | PinHeader_2x08_P2.54mm_Vertical | J2 |
| 1 | POWER | PinHeader_2x05_P2.54mm_Vertical | J3 |
| 1 | PORT1 | PinHeader_2x08_P2.54mm_Vertical | J4 |
| 1 | PORT2 | PinHeader_2x08_P2.54mm_Vertical | J5 |
| 1 | LAN POWER | PinHeader_2x03_P2.54mm_Vertical | J6 |
| 1 | LAN CONTROL | PinHeader_2x06_P2.54mm_Vertical | J7 |
| 1 | Barrel_Jack_Switch | BarrelJack_Horizontal | J8 |
| 1 | 3V | CH74-2032LF | BT1 |
| 1 | RESET | SW_PUSH_6mm | SW1 |
| 1 | BOOTSTRAP | SW_PUSH_6mm | SW2 |
| 1 | 1N4148 | D_A-405_P7.62mm_Horizontal | D1 |
| 14 | 0.1UF 0.1uf | C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C1, C4, C5, C6, C7, C8, C9, C10 +6 |
Show 3 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 2 | 2.2UF 2.2uf | C_Disc_D4.3mm_W1.9mm_P5.00mm | C3, C18 |
| 1 | 430 | R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R1 |
| 3 | 3.3K 3.3k | R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R2, R3, R4 |
DragonOne MC68EZ328 SBC design files
The KiCad project lives in the kanpapa/MC68EZ328 repository on GitHub; these links point at the commit this page was built from.
DragonOne MC68EZ328 SBC: common questions
How big is the DragonOne MC68EZ328 SBC PCB?
The DragonOne MC68EZ328 SBC measures 100 × 100 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the DragonOne MC68EZ328 SBC?
43 components, from 23 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 DragonOne MC68EZ328 SBC design files?
From the kanpapa/MC68EZ328 repository on GitHub, which has the KiCad layout and the BOM; the links under Design files point to each one.
Can I use the DragonOne MC68EZ328 SBC design in my own project?
Yes, under the terms of its BSD-3-Clause license, which kanpapa chose for the repository.