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hobbyte

2 months ago 70
  • Description
  • Documents
  • BOM
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Description

Retro-style computer on modern MCU+FPGA

  • STM32F107VCT6 (todo: STM32F4)
  • iCE40HX1K FPGA-backed GPIO / VGA RAMDAC
  • USB otg/host
  • generic USB keyboard mode with Cherry MX keys
  • retro computer emulator

Documents

CPU

main_pcb

GPIO

power

keyboard

video

adc

ethernet

BOM

ID Name Designator Footprint Quantity
1 ICE40HX1K-VQ100 FPGA1,U3 LATC-VQFP-100 2
2 OSC-XTAL XTAL1 TC-26 1
3 STM32F107VCT6 CPU1 LQFP-100_L14.0-W14.0-P0.50-LS16.0-BL 1
4 SDMMC18650 U4 SDCARD 1
5 Mechanical Gateron Switch RGB SMD 1u × 1u DOUTleft KA0,KB0,KA1,KB1,KA2,KB2,KA3,KA4,KA5,KA6,KA7,KA8,KA9,KA10,KB3,KA11,KB4,KA12,KB5,KA13,KA14,KB6,KA15,KB7,KA16,KB8,KA17,KA18,KA19,KA20,KA21,KA22,KA23,KA24,KA25,KA26,KB9,KA27,KB10,KA28,KB11,KA29,KA30,KB12,KA31,KB13,KA32,KB14,KA33,KA34,KA35,KA36,KA37,KA38,KA39,KA40,KB15,KA41,KB16,KA42,KB17,KC0,KA44,KA45,KB18,KB19,KB20,KA46,KA47,KA48,KA49,KB21,KB22,KB23,KB24,KB25,KB26,KA50,KA51,KA52,KA43,KA53,KA54,KB27,KB28,KB29,KB30,KB31,KB32,KA55,KA56,KA57,KA58,KB33,KB34,KB35 GATERON_RGB_WS2812B 1U×1U 96
6 2685Y-106CNG1SNA01 U1 HDR-TH_6P-P2.54-V 1
7 HR911105A_C12074 J1 RJ45-TH_HR911105A 1
8 ENC28J60-ISO U5 SOIC28 1

Attachments

None

Members

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