MBC3 Flashcart based on retroreboot's cartridge that uses 0603 components (while based on the RetroReboot carts, these are completely redesigned from the ground up in kicad)
If you want a 4MB cart check out my new MBC30 flashcart repo
Version 1.5 and beyond makes use of djedditt's cartridge connector footprint
PCBWay:
As a disclaimer, i get 10% kickback on shared pcbway orders, if you want the cheaper option go with either JLCPCB or OshPark
If you want to support me for free (and get 5 USD in new user credit) you can use my PCBWay Referral link when signing up on PCBWay
OSHPark:
Make sure to select the "2 oz copper, 0.8mm thickness" option before checkout
JLCPCB:
Upload gerbers(.zip files) to JLCPCB
Make sure you order with the following settings:
PCB Thickness: 0.8
PCB Color: Any
Surface Finish: ENIG-RoHS
Gold Fingers: Yes (45° chamfered border)
Castellated Holes: No
Check out the Interactive BOM for an interactive website that lets you keep track of where everything goes.
Reference | Part Number | Description | Package | |
---|---|---|---|---|
U1 | AM29F016(2MB)/AM29F032(4MB)/MBM29F033C(4MB) | 2/4MB Flash Chip | TSOP-48/TSOP-40 | |
U2 | MBC3 | Get from real cartridge | LQFP-32 | |
U3 | FM18W08 | 256kbit FRAM | SOIC-28 | |
U4 | BA6129AF | Buy or get from real cartridge | SOIC-8 | |
U5 | 74LVC1G332GV,125 | 3-input OR gate | TSOP-6 | |
C1 | CL10B104KO8NNNC* | 100nF Capacitor | 0603 | |
C2 | CL10B104KO8NNNC* | 100nF Capacitor | 0603 | |
C3 | CL10B104KO8NNNC* | 100nF Capacitor | 0603 | |
C4 | CL10C150JB8NNNC* | 15pF Capacitor | 0603 | |
C5 | CL10C150JB8NNNC* | 15pF Capacitor | 0603 | |
C6 | CL10B104KO8NNNC* | 100nF Capacitor | 0603 | 0603 |
C7 | CL10B104KO8NNNC* | 100nF Capacitor | 0603 | |
R1 | RC0603FR-07330KL* | 330K Ω Resistor | 0603 | |
R2 | RC0603FR-0710KL* | 10K Ω Resistor | 0603 | |
R3 | RC0603FR-071KL* | 1K Ω Resistor | 0603 | |
SW1 (Unmarked) | K3-1296S-E1** | SPDT Switch | N/A | |
X1 | R26-32.768-12.5-10PPM | 32.768 kHz Crystal | N/A | |
Batt CR2025 | BK-6219-TR | CR2025 Coin Cell Retainer | N/A |
*Linked Capacitors/Resistors are suggestions, use whatever matches the ratings and package. **Switch is optional, and is only used with 4MB chips.
1.2:
1.3:
1.4:
1.4.1:
1.5: