Pin No.Pin NameI/ODescription
41HOLDIL INPUT, KEYS HOLD.
42E-PROM1I/OE-PROM INTERFACE.
43E-PROM2OE-PROM INTERFACE.
44BATT INDIA/D INPUT FOR BATTRY INDICATOR. (Connected to VDD)
45POWER SWIH INPUT, RADIO ON.
46ALARM OUTOALARM1,ALARM2 OUTPUT.
47MUTEOWHEN MUTE ON, H OUTPUT.
48TESTITEST PIN. (Not connected)
49INHIL INPUT RADIO OFF.
50IF INIIF SIGNAL INPUT.
51DO1OPLL OUTPUT. (Connected to VDD)
52DO2OPLL OUTPUT.
53GNDNGND.
54FM INIFM OSC SIGNAL INPUT.
55AM INIAM OSC SIGNAL INPUT.
56VDDNPower Supply Pin.
57RESETIInput pin for system reset signals. (Pull up)
58X OUTOCrystal oscillator output pin.
59X INICrystal oscillator input pin.
60V XTIPower supply for the crystal oscillator. (Pull down)
61V LCDI
62C1OVoltage doubler boosting pin for driving the LCD.
63C2O
64VEEN1.5V constant voltage supply pin for driving the LCD. (Pull down)
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