HCD-NEZ3/NEZ5
Pin No.Pin NameI/ODescription
46O-POWEROPower relay drive signal output terminal "H": on
47I-SUFFIXIModel destination setting terminal
48I-RE-VOLIDial pulse input of the rotary encoder (for VOLUME control)
49I-MP3-REQIMP3 data request signal input from the CD DSP
50I-MP3-ACKIMP3 acknowledge signal input from the CD DSP
51 to 53 MD2 to MD0-Not used
Reset signal input from the reset switch "L": reset
54RESETI
For several hundreds msec. after the power supply rises, "L" is input, then it changes to "H"
55O-TU-CEOChip enable signal output to the tuner (FM/AM)
56O-TU-CLKOserial data transfer clock signal output to the tuner (FM/AM)
57O-TU-DIOSerial data output to the tuner (FM/AM)
58VLCD-Terminal for doubler circuit capacitor connection to develop liquid crystal display drive voltage
59 to 62 COM0 to COM3OCommon drive signal output to the liquid crystal display
63, 64 SEG0, SEG1OSegment drive signal output to the liquid crystal display
65VCC-Power supply terminal (+3.2V)
66GND-Ground terminal
67 to 89SEG2 to SEG24 OSegment drive signal output to the liquid crystal display
90VCC-Power supply terminal (+3.2V)
91VSS-Ground terminal
92XII Main system clock input terminal (4.19 MHz)
93XOOMain system clock output terminal (4.19 MHz)
94 to 100SEG25 to SEG31OSegment drive signal output to the liquid crystal display
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