| U1 | ICE40UP5K-SG48ITR | iCE40 UltraPlus FPGA, 5280 LUTs, 1.2V, 48-pin QFN |
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| U2 | STM32F411CEUx | STMicroelectronics Arm Cortex-M4 MCU, 512KB flash, 128KB RAM, 100 MHz, 1.7-3.6V, 36 GPIO, UFQFPN48 |
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| U3 | LD1117S12TR_SOT223 | 800mA Fixed Low Drop Positive Voltage Regulator, Fixed Output 1.2V, SOT-223 |
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| U4 | LD1117S33TR_SOT223 | 800mA Fixed Low Drop Positive Voltage Regulator, Fixed Output 3.3V, SOT-223 |
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| U5 | W25Q16JVSS | 16Mb Serial Flash Memory, Standard/Dual/Quad SPI, SOIC-8 |
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| U6-U9 | TXB0108DQSR | 8-Bit Bidirectional Voltage-Level Translator, Auto Direction Sensing and ±15-kV ESD Protection, 1.2 - 3.6V APort, 1.65 - 5.5V BPort, USON-20 |
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