— 12 —
5-2. IC PIN FUNCTION
• IC501 SYSTEM CONTROL (µPD780205GF-016-3BA)
–
I
I
O
O
I
I
O
O
I
O
I
–
–
I
–
O
O
I
O
O
O
O
I
–
O
O
O
O
I
I
–
–
I
I
O
I
–
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31 to 33
34
35
36
37
38
39
40
V
DD
PWMSW
DISC SENS
TABLE R
TABLE L
JOG1
JOG0
BD PWR
BD RST
RESET
X2
X1
GND
ADJ
V
DD
CLOCK
DATA
SENS
XLT
PRGL
SOCLK
SUBQ
AV
SS
FCSSW
A MUTE
LOD OUT
LOD IN
OUT SW
KEY3 to KEY1
AV
DD
AV
REF
SCOR
TABLE SENS
BUS OUT
BUS IN
V
SS
Power supply. (+5V)
Pulse width modulation select switch for turn table. (Not used)
Slit sensor input of disc table. “L”: None , “H”: Load
Power ON/OFF control signal output to BD block. “L”: OFF , “H”: ON
Reset signal output to BD block. “L”: Reset
System reset input. “L”: Reset
Function
Pin No.
Pin Name
I/O
Table motor control signal output.
Jog dial encoder input.
Main system clolck. (5 MHz)
Ground
Not used. (Open)
Test pin. “L”: Test mode
Power supply. (+5V)
Serial clock output to digital signal processor and D/A converter.
Serial data output to digital signal processor and D/A converter.
Each mode input from digital signal processor and D/A converter.
Serial data latch pulse output to digital signal processor and D/A converter.
Serial data latch pulse output to digital filter.
Sub-code Q data read clock output to digital signal processor.
Not used. (Open)
Sub-code Q data serial input from Digital signal processor.
Ground (A/D converter)
Focus gain switching output. “L”: Normal , “H”: Down
Muting ON/OF control output. “H”: Mute (Not used)
Loading out detection signal input.
Key input (A/D)
Power supply (+5V) (A/D converter)
Reference voltage input (+5V) (A/D converter)
Sub-code sync detection input.
Table address detection sensor input.
Audio bus signal ouput.
Audio bus signal input.
Ground
Loading motor control signal output.
