MDX-66XLP - Sony Car Audio Service Manual (repair manual). Page 16

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16
MDX-66XLP
• IC600 µPD784216AGC-151-8EU (SYSTEM  CONTROL)
Pin No.
Pin Name
I/O
Pin Description
1
M1
O
Elevator motor (M904) drive signal output
2
M1
O
Elevator motor (M904) drive signal output
3
M2
O
Loading motor (M903) drive signal output
4
M2
O
Loading motor (M903) drive signal output
5
MDMON
O
Mechanism deck system power control output (“H” : Power ON)
6
LES
I
Loading end sensor detection switch (S902) input
7
SES
I
Store end sensor detection switch (S903) input
8
HOME
I
Home position detection switch (S901) input (“L” : Home position)
9
VDD
Power supply pin (+5 V)
10
X2
Main system clock connecting pin (14 MHz)
11
X1
Main system clock connecting pin (14 MHz)
12
VSS
Ground pin
13
XT2
Sub system clock connecting pin (32.768 kHz)
14
XT1
Sub system clock connecting pin (32.768 kHz)
15
RESET
System reset input
16
BU IN
I
Backup OFF detection input (“L” : Backup OFF)
17
BUS ON
I
BUS OFF detection of SONY BUS (“H” : BUS OFF)
18
SQ SY
I
Sub code Q sync input from CXD2662R (IC200)
19
STR SW
I
STOP switch (S600) input
20
O
Not used.
21
CC XINT
I
Interruption status input from CXD2662R (IC200)
22
O
Not used.
23
AVDD
Power supply for A/D converter (+5 V)
24
AVREF0
Reference voltage for A/D converter
25
INIT
I
Initial input pin at reset (Not used in this set.)
26
TEMP
I
Thermistor connecting pin for temperature detection
27
EHS
I
Elevator height position detection input
28, 29
I
Connect to ground.
30 – 32
I
Connect to ground.
33
AVSS
Analog ground
34
ERR PWM
O
Error data output (Not used in this set.)
35
O
Not used.
36
AVREF1
Reference voltage for D/A converter
37, 38
O
Not used.
39
O
Not used.
40
MD SI
I
Read data signal input from CXD2662R (IC200)
41
MD SO
O
Write data signal output to CXA2523AR (IC100) and CXD2662R (IC200)
42
MD CKO
O
Serial clock signal output to CXA2523AR (IC100) and CXD2662R (IC200)
43
O
Not used.
44
O
Not used.
45
UNISI
I
Serial data input for SONY BUS
46
UNISO
O
Serial data output for SONY BUS
47
UNI CKI
I
Serial clock input for SONY BUS
48
LINKOFF
O
Link control signal output for SONY BUS (“H” : Link OFF) (Not used in this set.)
49
O
Not used.
50
I
Not used.
51, 52
D-BASS1, 2
O
Digital D-BASS select output 1, 2 (Not used in this set.)
53 – 55
O
Not used.
56 – 59
MNT0 – 3
I
Monitor 0 – 3 signal input from CXD2662R (IC200)
60
AGING
O
Not used.
61
AGCHK
O
Not used.
62
TFTON
O
Not used.
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