DPC-885
4
CIRCUIT DESCRIPTION
1-3 Pin description microprocessor : µPD78063GF-138 (X32-, IC3)
Pin No. Name I/O Function
1NC I Not used
2 SQCK O Clock output for Q-data input of CXD3009Q
3 SDTO O DATA input to RL5C356
4 SDTI O DATA output to RL5C356
5 SCK O CLOCK output to RL5C356
6 IC – Connected to VSS
7,8 X2,1 – Connected to oscillator (5.00MHz)
9 VDD – Power supply
10 XT1 – Connected to GND
11 XT2 – Not used
12 RESET I Microprocessor reset
13 SCOR I Interruption of fall edge of SCOR
14 RCI I Remote control input
15 NC – Not used
16 FOK I Focus clock detection terminal (CXA 1982Q)
17 GFS – Not used
18 HDATA O Output terminal for LCD remocon display
19 B.B O For bass boost control
20 SGAIN – Not used
21 CHDT I Data comparator monitor input for RL5C356
22 XSOE O Serial data output permission signal for RL5C356
23,24 NC – Not used
25 DEFECT O Mirror bottom-hold-enable
26 NC – Not used
27 AVSS – Connected to GND
30 VOL I Volume level input of main unit
28,29 KEY1,KEY2 I Key input from main unit or wired remote control
31,32 BATTV1,2 I Detection of voltage level on rechargeable battery
33 HP KEY I HP Key input terminal for display
34 NC – Not used
35 ADON O A/D converter on/off
36 AVDD – Analog power supply for A/D converter
37 AVREF – Reference voltage input for A/D converter
38 SLTSW I Start limit switch of pickup
39 DCDC ON O DC/DC converter control (H:ON, L:OFF)
40 VSS – GND
41 ADPT I Adaptor detection (H:OFF, L:ON)
42 CHRGOK I Voltage level of rechargeable battery detection (H:NG, L:OK)
43 CHRG O Charge power supply
44 XRST O IC reset output terminal (CXA1982Q, CXD3009Q, RL5C356)
45 DMUTE O Motor drive mute output terminal
46 RMUTE O Analog mute output
47 TEST I For test mode
48 NC – Not used
49 PSW O Headphone amp control
50 HPMUTE O Mute output terminal for LCD remocon
51~54 COM0-3 O Common signal output for display
55 BIAS O Bias input for display
56-58 VLC0-2 O External resistor connected to power supply for dividing display
59 VSS – GND
60~74 S0~S14 O Segments signal output for display
75~83 NC – Not used
84 LED O Power supply ON/OFF for optical output
85 SHOCK O Shock proof on/off (CXD3009Q) D.A.S.C. ON : L
86 XLAT O LATCH output to CXD3009Q
87 CLK O CLOCK output to CXD3009Q
88 DATA O DATA output to CXD3009Q
89 SENS I SENS input from CXD3009Q
90 PLUG I Remocon data input terminal
COVER/CIR/EXP-INT 98.4.242:57PM y[W 4
