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STD Acorn BBC Master Compact expansion board
Acorn BBC Master Compact expansion board
License
MIT License
License: MIT LicenseMode:
Mode
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Update time：
2024-01-24 14:46:08
Creation time：
2021-12-27 22:40:54
Description
Description
## This is a project still under development.
The firmware needs to be written and the hardware connections need to be debugged.
The following is the public GitHub repository where I am developing the firmware:
[acorn\_bbc\_master\_compact\_expansion\_cartridge](https://github.com/DanCasterIt/acorn_bbc_master_compact_expansion_cartridge)
## Some pictures of the board
Design Drawing
Design Drawing
schematic diagram
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PCB
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PCB_Acorn_BBC_Master_Compact_expansion_board
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| ID | Name | Designator | Footprint | Quantity | BOM_Supplier | BOM_Manufacturer | BOM_Manufacturer Part | BOM_Supplier Part |
|---|---|---|---|---|---|---|---|---|
| 1 | 10uF | C1,C2 | CAP-SMD_BD4.0-L4.3-W4.3-FD | 2 | LCSC | Rubycon | 16SGV10M4X6.1 | C88850 |
| 2 | 1uF | C3 | CAP-SMD_BD4.0-L4.3-W4.3-FD | 1 | LCSC | PANASONIC | EEE1HA010NR | C401606 |
| 3 | 100nF | C4 | C0603 | 1 | LCSC | SAMSUNG | CL10B104JB8NNNC | C24452 |
| 4 | ACORN_BBC_MASTER_COMPACT_EXPANSION_PORT | CN1 | IDC-TH_300S-50P | 1 | LCSC | Ckmtw | 300S-50P | C146633 |
| 5 | 1N4004F | D1,D2 | SMAF_L3.5-W2.6-LS4.7-RD | 2 | LCSC | SK | 1N4004F | C122842 |
| 6 | 1N4148 | D3 | SOD-123F_L2.7-W1.6-LS3.8-RD | 1 | LCSC | SEMTECH | 1N4148W | C81598 |
| 7 | ICSP_HEADER | H1 | HDR-TH_5P-P2.54-V-M | 1 | LCSC | Ckmtw | 210S-1*5P L=11.6MMGold-plated black | C124379 |
| 8 | SERIAL_HEADER | H2 | HDR-TH_5P-P2.54-V-M | 1 | LCSC | Ckmtw | 210S-1*5P L=11.6MMGold-plated black | C124379 |
| 9 | +5V_OUT | H6 | HDR-TH_2P-P2.54-V-F | 1 | LCSC | GEPU(歌普) | GP25-2521WV-2P | C2681743 |
| 10 | PIC_PIN_ROW_4 | P1 | HDR-TH_20P-P2.54-V-F | 1 | LCSC | BOOMELE | 2.54mm 1*20P Female header | C50984 |
| 11 | PIC_PIN_ROW_3 | P2 | HDR-TH_20P-P2.54-V-F | 1 | LCSC | BOOMELE | 2.54mm 1*20P Female header | C50984 |
| 12 | PIC_PIN_ROW_1 | P3 | HDR-TH_20P-P2.54-V-F | 1 | LCSC | BOOMELE | 2.54mm 1*20P Female header | C50984 |
| 13 | PIC_PIN_ROW_2 | P4 | HDR-TH_20P-P2.54-V-F | 1 | LCSC | BOOMELE | 2.54mm 1*20P Female header | C50984 |
| 14 | ADDRESS_BUS | P7 | HDR-TH_16P-P2.54-V-F-1 | 1 | LCSC | BOOMELE | Female header1*16P pitch 2.54mm | C66987 |
| 15 | DATA_BUS | P8 | HDR-TH_8P-P2.54-V-F-1 | 1 | LCSC | BOOMELE | Female headerHDR1X8-2.54 | C27438 |
| 16 | CONTROL_BUS | P9 | HDR-TH_16P-P2.54-V-F-1 | 1 | LCSC | BOOMELE | Female header1*16P pitch 2.54mm | C66987 |
| 17 | 390 | R1 | R0805 | 1 | LCSC | ResistorToday | PTFR0805B390RN9 | C351572 |
| 18 | 240 | R2 | R0805 | 1 | LCSC | ResistorToday | PTFR0805B240RN9 | C351590 |
| 19 | 1K | R3,R4 | R0805 | 2 | LCSC | ResistorToday | PTFR0805B1K00N9 | C328437 |
| 20 | 5V_PWR_SEL | SW1 | SW-TH_SS-13D07-X-X | 1 | LCSC | XKB Enterprise | SS-13D07-L4-B | C480348 |
| 21 | 2-1437565-7 | SW2 | KEY-SMD_4P-L6.0-W6.0-P4.50-LS10.0 | 1 | LCSC | TE Connectivity | 2-1437565-7 | C266206 |
| 22 | ICSP_PWR_SW | SW3 | SW-TH_SS-12F44-G5 | 1 | LCSC | Rectangular Connectors - Contacts | SS-12F44-G5 | C136718 |
| 23 | ON/OFF_SWITCH | SW4 | SW-TH_SS-12F44-G5 | 1 | LCSC | Rectangular Connectors - Contacts | SS-12F44-G5 | C136718 |
| 24 | RST_SEL_SW | SW5 | SW-TH_SS-12F44-G5 | 1 | LCSC | Rectangular Connectors - Contacts | SS-12F44-G5 | C136718 |
| 25 | SSGM740101 | SW6 | SW-SMD_8P-L11.9-W6.8-P2.54-LS10.7-TL | 1 | LCSC | ALPS Electric | SSGM740101 | C470387 |
| 26 | PIC18F87J50-I/PT | U1 | TQFP-80_L12.0-W12.0-P0.50-LS14.0-TL | 1 | LCSC | MICROCHIP(美国微芯) | PIC18F87J50-I/PT | C635588 |
| 27 | SN74LVC00ANSR | U2,U4 | SOIC-14_L10.0-W5.5-P1.27-LS7.8-BL | 2 | LCSC | Texas Instruments | SN74LVC00ANSR | C78488 |
| 28 | LM317D2T-TR | U3 | TO-263-2_L10.0-W9.1-P5.08-LS15.2-TL | 1 | LCSC | STMicroelectronics | LM317D2T-TR | C91673 |
| 29 | USB_PLUG | USB1 | USB-B-TH_USB-B10-BRW | 1 | LCSC | XUNPU | USB-B10-BRW | C720549 |
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