9
9UD-M31
SEMICONDUCTOR
IC’s
µPD784216AGC-8EU(IC201)
µPD784216AGC-8EU Terminal Function
Pin
No.
Port Symbol I/O Function RECIEVER or CD
outputs of
standby&Defoult
1 P120/RTP0 ENC A I Rotary encoder INPUT A RECIEVER -
2 P121/RTP1 ENC B I Rotary encoder INPUT B RECIEVER -
3 P122/RTP2 V.MUTE O Volume mute output, mute;High RECIEVER H
4 P123/RTP3 POWER O Amp circuit power ON/OFF output, ON:High RECIEVER L
5 P124/RTP4 /R.MUTE O Speaker Relay ON/OFF output, ON:High RECIEVER L
6 P125/RTP5 NC O Not used :NC OTHER L
7 P126/RTP6 SEL.EEPROM O EEPROM chip enable output RECIEVER L
8 P127/RTP7 FLCE O Chip select output to FL tube controller OTHER L
9 VDD VDD - Positive power OTHER -
10 X2 X2 - X'tal connection for main clock oscillation OTHER -
11 X1 X1 I X'tal connection for main clock oscillation OTHER -
12 VSS VSS - GND potential OTHER -
13 XT2 XT2 - x'tal connection for main sub-clock oscillation,
not used : :NC
14 XT1 XT1 I x'tal connection for main sub-clock oscillation,
not used :Connect to VSS orVCC
15 /RESET /RESET I Micro-computer reset input OTHER -
16 P00/INTP0 REMOCON I Remote-control receive data input RECIEVER -
17 P01/INTP1 50/60 I 50/60Hz AC input RECIEVER -
18 P02/INTP2/NMI /DB RXD I DENON BUS Data input (interrupt input) RECIEVER -
19 P03/INTP3 PROTECT I Speaker Terminal DC voltage detect signal input RECIEVER -
20 P04/INTP4 SEL.EEPROM O EEPROM chip enable output RECIEVER L
21 P05/INTP5 WRQ I SUB CODE Q STAND BY CD L
22 P06/INTP6 /INT I NC, connect to grand OTHER -
23 AVDD AVDD - A/D converter analog power OTHER -
24 AVref0 Avref0 - A/D converter reference voltage input OTHER -
25 P10/ANI0 KEY1 I Unit operation button input1 RECIEVER -
26 P11/ANI1 KEY2 I Unit operation button input2 RECIEVER -
27 P12/ANI2 KEY3 I Not used :Connect to GND OTHER -
28 P13/ANI3 KEY4 I Not used :Connect to GND OTHER -
29 P14/ANI4 NC I Not used :Connect to GND OTHER -
30 P15/ANI5 DRF I REFLECTION OF DISC SIG. Input CD -
31 P16/ANI6 FSEQ I EFM SYNC SIG. INPUT CD -
32 P17/ANI7 DARXD I DATA BUS(for VOL,PLL,RDS IC, EEPROM)
Data in
-
75
76
1
100
51
50
26
25
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