
Mbc3flash
HDR/MBC3-Flashcart
My own version of RetroReboot's MBC3 flashcart https://www.retroreboot.net/HTML/projectpage.html, please consider supporting him if you can https://www.paypal.com/paypalme/WadeVillines

Available on PCBWay!
MAC GBD Flashcart is an open-source printed circuit board by HDR, from the HDR/Gameboy-Camera-Flashcart repository on GitHub. It is a 2-layer board of 51 × 70 mm with 26 parts on 84 nets, routed with 1,039 tracks and 77 vias.
It is built around the AM29F016D, FM28V100-TG and RT9013-33GB, with the B9B-ZR-SM4-TF and K3-1296S-E1 among its other parts. Its parts include 15 capacitors, 5 ICs, 1 resistor, 1 diode and 1 connector.
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

Make sure you read the License!
Flashing:
Flashing has only been tested with a GBxCart, flashing both 1MB sections requires this custom software, which is a modified version of InsideGadget's 2x2MB MBC3 software, or FlashGBX v3.2 and above.
BOM:
| Reference | Part Number | Description |
|---|---|---|
| C1 | 4x4.5mm 22uF | 22uF 16V 4x4.5 Electrolytic Capacitor |
| C2, C3, C4, C12, C13 | TCC0603X7R104J500CT | 100nF 0603 Capacitor |
| C5, C6, C7, C8, C9, C10, C11 | CC0402KRX7R7BB104 | 100nF 0402 Capacitor |
| C14, C15 | CC0603JRNPO9BN220 | 22pF 0603 Capacitor |
| R1 | RC0603JR-071KL | 1K Ω 0603 Resistor |
| D1 | Diode | Harvest D2 from original cartridge |
| J1 | B9B-ZR-SM4-TF | Camera Connector, Harvest or buy (JST ZH1.5MM 9 Pin) |
| SW1 | K3-1296S-E1 | SPDT Switch (For 2x1MB Rom Switching) |
| U1 | MAC-GBD | Harvest U1 from original cartridge |
| U2 | AM29F016 | 2MB Flash |
| U3 | FM28V100 | 1MB FRAM |
| U4 | TPRT9013-33G | 3.3V Voltage Regulator |
Makes use of djedditt's gamepak footprint
Looking for a ready to use flashcart? check out InsideGadgets custom flashcart, the Insidegadgets' PicNRec AIO

| Qty | Value | Footprint | References |
|---|---|---|---|
| 7 | 100nF | Capacitor_SMD:C_0402_1005Metric | C5, C6, C7, C8, C9, C10, C11 |
| 5 | 100nF | Capacitor_SMD:C_0603_1608Metric | C2, C3, C4, C12, C13 |
| 2 | 22pF | Capacitor_SMD:C_0603_1608Metric | C14, C15 |
| 1 | 1K | Resistor_SMD:R_0603_1608Metric | R1 |
| 1 | 22uF | Capacitor_SMD:CP_Elec_4x4.5 | C1 |
| 1 | AM29F016 | Custom:AM29F0XX | U2 |
| 1 | B9B-ZR-SM4-TF | Custom:JST_B9B-ZR-SM4-TF | J1 |
| 1 | CartBus | Connector_GameBoy:GameBoy_GamePak_CGB-002_P1.50mm_Edge | U0 |
| 1 | Diode | Diode_SMD:D_SOD-123 | D1 |
| 1 | FM28V100 | Package_SO:TSOP-I-32_11.8x8mm_P0.5mm | U3 |
| 1 | K3-1296S-E1 | Custom:SW_SPDT-K3-1296S-E1 | SW1 |
| 1 | LOGO | Custom:HDR_Logo_Small | G*** |
| 1 | MAC-GBD | Package_QFP:LQFP-100_14x14mm_P0.5mm | U1 |
| 1 | Nintendo_3x3_GNDPad | Custom:Nintendo_3x3_GNDPad | PAD* |
| 1 | RT9013-33GB | Package_TO_SOT_SMD:SOT-23-5 | U4 |
It measures 51 × 70 mm and has 2 copper layers, 0.8 mm thick.
26 parts, built around the AM29F016D, FM28V100-TG, RT9013-33GB and B9B-ZR-SM4-TF. 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 HDR/Gameboy-Camera-Flashcart repository on GitHub, at the commit this page was made from: the board is KiCad/MAC-GBD-Flashcart/MAC-GBD-Flashcart.kicad_pcb and its schematic KiCad/MAC-GBD-Flashcart/MAC-GBD-Flashcart.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 HDR before reusing the design.

HDR/MBC3-Flashcart
My own version of RetroReboot's MBC3 flashcart https://www.retroreboot.net/HTML/projectpage.html, please consider supporting him if you can https://www.paypal.com/paypalme/WadeVillines

radodge/Portfolio
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