User's Manual

15
79 P07 I/O D7 Flash data
80 P06 I/O D6 Flash data
81 P05 I/O D5 Flash data
82 P04 I/O D4 Flash data
83 P03 I/O D3 Flash data
84 P02 I/O D2 Flash data
85 P01 I/O D1 Flash data
86 P00 I/O D0 Flash data
87 P107 I EN3 Channel selector knob input
88 P106 I EN2 Channel selector knob input
89 P105 I EN1 Channel selector knob input
90 P104 I CTCSS_IN CTCSS input
91 P103 I BATTD Low battery level detect (analogue)
92 P102 I SQL Squelch level input (analogue)
93 P101 I RSSI RSSI detect pin (analogue)
94 Avss I VCC A/D conversion power supply input
95 P100 I VOL Volume knob input (analogue)
96 Vref I VCC Battery detect reference voltage
97 Avcc I VCC A/D conversion power supply input
98 P97 NULL NC
99 P96 O PLL_DATA PLL IC data input
100 P95 O PLL_CLK PLL IC clock