略語大辞典 [C] 38 XFC external filter capacitor (pin) (マイコンの)外部フィルター容量(ピン). external filter capacitor (pin); the name of a pin of an MCU(micro computer unit); e.g. in MC68322 SIM(system integration module), by Motorola; this pin is used to add an external capacitor to the filter circuit of the PLL(phase- 丸善「略語大辞典」JLogosID : 11850155