C8051F544 IQ硅实验室MCU 8-bit 8051 CISC 8KB Flash 2.5V/3.3V/5V Automotive AEC-Q100 32-Pin QFP Tray
EFM8UB20F32G B QFP32硅实验室MCU 8-bit 8051 CISC 32KB Flash 3.3V T/R
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