Pin Functions
Pin Name
Description
1
PB1
No connection
2
PB0
No connection
3
AVSS
Connected 0V
4
TEST
Connected 0V
5
X2
No connection
6
X1
Connected 5V
7
VSS
MCU ground line; connected to 0V
8
OSC1
10MHz crystal input
9
OSC2
10MHz crystal input
10 RES
MCU reset line; 0V = reset; 5V = normal operation
11 S0
CD Changer Mechanism door position switch
12 S1
CD Changer Mechanism door position switch
13 S2
CD Changer Mechanism door position switch
14 DN
CD Changer Mechanism door motor control line
15 UP
CD Changer Mechanism door motor control line
16 S0S1
CD DSP SUBQ ready input; high pulse for SUBQ ready
17 P60
No connection
18 P61
No connection
19 CDRW
CDRW RF gain control; 0V=CDRW
20 PUSW
Laser pickup inner switch; 5V=pickup at inner position
21 XRST
CD DSP reset line; 0V = DSP reset
22 STAT
CD DSP internal status output
23 DMUTE
CD DSP mute control; 5V = mute on
24 SUBQ
SUBQ output
25 SQCK
SUBQ output serial clock
26 TLOCK
No connection
27 FLOCK
No connection
28 SENSE
No connection
29 MLD
CD DSP command latch
30 MDATA
CD DSP serial command data
31 MCLK
CD DSP serial command clock
32 P57
No connection
33 VCC
MCU power supply; connected to 5V
34 DAC.LD
PCM1732 serial command latch
35 DAC.CLK
PCM1732 serial command clock
36 DAC.DATA PCM1732 serial command data
37 DACRST
PCM1732 reset pin; 0V = reset
38 POWER
Servo power on/off control; 5V = power on
39 DSNS
Disc detection optical sensor output; 0V = disc present
40 TRSW
Carousel position detection optical sensor output
41 RL+
Carousel motor line
42 RL-
Carousel motor line
43 HDCD
HDCD decoding status from PCM1732; 5V = HDCD
44 AMUTE
System mute control; 0V = mute
45 P86
No connection
FL8380
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