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MICROCOMPUTER'S TERMINAL DESCRIPTION
SYSTEM MICROCOMPUTER µPD780058GC-XXX (IC1 : X25)
Pin No.
Pin Name
I/O
1
PANEL
I
2
8EJE SW *1
I
3
NC
O
4
AVss
-
5
L-RST
O
6
L-CE
O
7
AVREF1
I
8
NC
I
9
PLL-DATA
I/O
10
PLL-CLK
O
11
L-DATAL
I
12
L-DATAS
O
13
L-CLK
O
14
R-DATA
I
15
R-QUAL
I
16
CH-DATAC
I
17
CH-DATAH
O
18
CH-CLK
I/O
19
CH-REQH
O
20
PLL-CE
O
21
AFS
O
22
LO/DX
O
23~26
NC
O
27
SD
I
28
CH-CONT
O
29
TYPE REF
O
30
TYPE2
I
31
TYPE1
I
32
TYPE0
I
33
Vss1
-
34
IC2TYPE1
I
35
IC2TYPE0
I
36
DATA
I/O
37
CLK
O
38
MUTE
O
39
P-MUTE
O
40
SVR
O
41
P-STBY
O
42
SW5V
O
43
B.U-DET
I
44
ACC-DET
I
45,46
NC
O
47~49
PS1-0~PS1-2
O
50
BEEP
O
51,52
PS2-0,PS2-1
O
53
DSI
O
Purpose
Panel detection
8 cm disk eject end detection switch
Not used
GND potential (for A/D and D/A)
LCD driver reset
LCD driver chip enable
5V power supply (D/A converter reference voltage)
Not used
F/E (IC3) communication data
F/R (IC3) communication clock
LCD driver communication data (LCD)
LCD driver communication data (SYSTEM)
LCD driver communication clock
RDS DATA
RDS QUAL
5-wire communication data (CH)
5-wire communication data (HEAD)
5-wire communication clock
5-wire CH request (HEAD)
F/E chip enable
Noise detection time constant switching
Local seek switching
Not used
Station detection
5-wire communication CH ON output
Destination type and servicing setting 5V output
Destination type setting
Destination type setting
Destination type setting
GND potential (for other parts than ports and analog circuitry) -
Servicing pin (SEL1), normally "L"
Servicing pin (SEL0), normally "L"
IC2, CD mechanism and F/E communication data
IC2, CD mechanism and F/E communication clock
Muting control output
PWR IC muting output
SVR control output
PWR IC standby output
SW5 control output
B.U. detection
ACC detection
Not used
Power supply IC AUD/P.CON/P.ANT SW
Buzzer output
Power supply IC ILL/AM/FM SW
DSI control output
KDC-2092RYA/RYG,3021A/G/YA/YG,
Processing in STBY Mode
Hi-Z
L, L when the 8 cm CD compatibility is not provided.
L
-
H, L when the panel is detached or with 7-segment output.
L, L is output when the panel is detached.
-
Hi-Z
L
L
Hi-Z
L, L is output when the panel is detached.
H, L is output when the panel is detached.
Hi-Z, L when RDS is not available.
Hi-Z, L when RDS is not available.
Hi-Z, L when CH is not available.
L, L when CH is not available.
Hi-Z, L when CH is not available.
H, L when CH is not available.
L
L
L
L
Hi-Z
L, L when CH is not available.
L
Hi-Z
Hi-Z
Hi-Z
Hi-Z
Hi-Z
L
L
L, 15 sec. after power OFF.
H, 15 sec. after power OFF.
L
L
"H" in 10 sec. after power OFF.
Hi-Z
Hi-Z
L
L
L
L
L, H/L when panel is detached. FIX output is L.
306A/G/YA/YG
3
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