KDC-2019/V/217/S/219/29MR
/2020/3020/4020
3
MICROCOMPUTER’S TERMINAL DESCRIPTION
SYSTEM MICROCOMPUTER µPD780058GC-XXX (IC1 : X25)
Pin No. Pin Name I/O Purpose Processing in STBY Mode
1 PANEL I Panel detection Hi-Z
2 8EJE SW *1 I 8 cm disk eject end detection switch L, L when the 8 cm CD compatibility is not provided.
3 NC O Not used L
4 AVss - GND potential (for A/D and D/A) -
5 L-RST O LCD driver reset
H, L when the panel is detached or with 7-segment output.
6 L-CE O LCD driver chip enable L, L is output when the panel is detached.
7 AVREF1 I 5V power supply (D/A converter reference voltage) -
8 NC I Not used Hi-Z
9 PLL-DATA I/O F/E (IC3) communication data L
10 PLL-CLK O F/R (IC3) communication clock L
11 L-DATAL I LCD driver communication data (LCD) Hi-Z
12 L-DATAS O LCD driver communication data (SYSTEM) L, L is output when the panel is detached.
13 L-CLK O LCD driver communication clock H, L is output when the panel is detached.
14 R-DATA I RDS DATA Hi-Z, L when RDS is not available.
15 R-QUAL I RDS QUAL Hi-Z, L when RDS is not available.
16 CH-DATAC I 5-wire communication data (CH) Hi-Z, L when CH is not available.
17 CH-DATAH O 5-wire communication data (HEAD) L, L when CH is not available.
18 CH-CLK I/O 5-wire communication clock Hi-Z, L when CH is not available.
19 CH-REQH O 5-wire CH request (HEAD) H, L when CH is not available.
20 PLL-CE O F/E chip enable L
21 AFS O Noise detection time constant switching L
22 LO/DX O Local seek switching L
23~26 NC O Not used L
27 SD I Station detection Hi-Z
28 CH-CONT O 5-wire communication CH ON output L, L when CH is not available.
29 TYPE REF O
Destination type and servicing setting 5V output
L
30 TYPE2 I Destination type setting Hi-Z
31 TYPE1 I Destination type setting Hi-Z
32 TYPE0 I Destination type setting Hi-Z
33 Vss1 -
GND potential (for other parts than ports and analog circuitry)
-
34 IC2TYPE1 I Servicing pin (SEL1), normally “L” Hi-Z
35 IC2TYPE0 I Servicing pin (SEL0), normally “L” Hi-Z
36 DATA I/O IC2, CD mechanism and F/E communication data L
37 CLK O IC2, CD mechanism and F/E communication clock L
38 MUTE O Muting control output L, 15 sec. after power OFF.
39 P-MUTE O PWR IC muting output H, 15 sec. after power OFF.
40 SVR O SVR control output L
41 P-STBY O PWR IC standby output L
42 SW5V O SW5 control output “H” in 10 sec. after power OFF.
43 B.U-DET I B.U. detection Hi-Z
44 ACC-DET I ACC detection Hi-Z
45,46 NC O Not used L
47~49
PS1-0~PS1-2
O Power supply IC AUD/P.CON/P.ANT SW L
50 BEEP O Buzzer output L
51,52
PS2-0,PS2-1
O Power supply IC ILL/AM/FM SW L
53 DSI O DSI control output L, H/L when panel is detached. FIX output is L.
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