6
CHAPTER 1 OUTLINE
Pin Identifications
ANI0 to ANI7 : Analog Input P100, P101 : Port 10
ASCK : Asynchronous Serial Clock PCL : Programmable Clock
AVDD : Analog Power Supply RESET : Reset
AVREF : Analog Reference Voltage RxD : Receive Data
AVSS : Analog Ground SCK2 : Serial Clock
BUZ : Buzzer Clock SI2 : Serial Input
IC : Internally Connected SO2 : Serial Output
INTP1 to INTP3 : Interrupt from Peripherals TI5, TI6 : Timer Input
NC : Non-connection TO5 to TO6 : Timer Output
P00 to P03 : Port 0 TxD : Transmit Data
P10 to P17 : Port 1 VDD : Power Supply
P30 to P37 : Port 3 VPP : Programming Power Supply
P50 to P57 : Port 5 VSS : Ground
P70 to P72 : Port 7 X1, X2 : Crystal (Main System Clock)