Aiwa FR-DA400 Service Manual page 14

Pin No. Pin Name
________
53 RES
54 HCTR
55 VDD
56 FMIN
57 AMIN
58 VSS
59 E0
60 AIN
61 AOUT
62 AGND
63 TEST1
64 XIN
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I/O
I System reset input.
I Universal counter dedicated input port.
— Power supply pin.
I FM VCO (local oscillator) input.
I AM VCO (local oscillator) input.
— Ground pin.
O The main charge pump output.
O
O Transistor used for the low-pass filter amplifier. Connect AGND to ground.
O
I IC test pins. These pins must be tied to ground.
I Connections for a 75kHz crystal oscillator element.
20
Description