STC89C52中文手册

P0P1P2P3P41280SRAME2PROMDataFlash8/16/32/64k2k-8kISP8+P4.0P4.3I/OUART3A/DIAPIAPSTC8051MCS-51STC,STCPLCC,PQFP,3.3VSTCSTC-ISP.exeSTC,STC89IAP/ISPA/DMCU_TxD(P3.1)MCU_RxD(P3.0)8R2INR2OUT90.1uF2V+GND151C1+Vcc16Vcc3C1-T1OUT145C2-R1OUT126V-T1IN117T2OUTT2IN10STC232,STC3232PC_RxD(COMPin2)4C2+R1IN13PC_TxD(COMPin3)Gnd*/=(12xPre-scalex32768)/11059200=Pre-scalex393216/11059200}}P1.0P1.189LE516AD89LE516X28R2INR2OUT9STCSTCRS-2320.1uF2V+GND151C1+Vcc16Vcc3C1-T1OUT145C2-R1OUT126V-T1IN117T2OUTT2IN10STC232,STC3232PC_RxD(COMPin2)4C2+R1IN13PC_TxD(COMPin3)GndMCU_RxD(P3.0)MCU_TxD(P3.1)P3.0P3.189C52RC89C58RD+89LE52RC89LE516RD+8R2INR2OUT9STCSTCRS-2320.1uF2V+GND151C1+Vcc16Vcc3C1-T1OUT145C2-R1OUT126V-T1IN117T2OUTT2IN10STC232,STC3232PC_RxD(COMPin2)4C2+R1IN13PC_TxD(COMPin3)GndMCU_RxD(P3.0)MCU_TxD(P3.1)P3.0P3.1/1/=256xVin/VccVinVcc