29
CDX-MP30
3-12. IC Pin Descriptions
• IC3 HD6432238RWN18TEI (CD Master Control) (SERVO Board)
Pin No.
1
2
3
4 to 7
8
9
10
11
12
13
14
15
16
17
18
19 to 26
27
28
29,30
31
32
33
34
35
36
37
38
39
40
41
42
43,44
45,46
47
48
49 to 52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
I/O
I
O
O
O
I
I
I
I
—
O
—
O
I
O
O
O
I
I
O
O
I
O
O
O
O
O
I
O
I
O
—
O
I
I
I
I
—
—
—
—
—
—
I
—
—
—
—
—
—
I
Pin Name
TEST
DECXRST
DECSTBY
NC
PH3
INSW/PH2
LIMIT_SW
D_SW
CVCC
NC
VSS
NC
PH1
EJECT
LOAD
NC
FLAG
RFOK
NC
TXD
RXD
XTALEN
TSTB
STB
A0
CD_RST
PACK
NC
SELF_SW
NC
AVSS
NC
NC
KEY0
KEY1
NC
AVREF
AVCC
MD0
MD1
X1A
X0A
RSTX
NMI
STBY
VCC
XTAL
VSS
EXTAL
FWE
Description
Test mode selection terminal (not used)
Reset signal output to the DSP IC(IC5) “L”: reset
Standby mode control signal output to the DSP IC(IC5) “H”: standby
Not used
CD PH3 photo sensor detection signal input (not used)
CD mechanism disc in switch detection signal input
CD mechanism in-limit switch detection signal input
CD mechanism down switch detection signal input
System power supply (3.3V)
Not used
Ground
Not used
CD PH1 photo sensor detection signal input (not used)
CD mechanism loading motor control signal output (eject operation)
CD mechanism loading motor control signal output (load operation)
Not used
Correction unable detection signal input
RFOK signal input from the servo IC (IC1)
Not used
UART TXD PC connection output terminal
UART RXD PC connection input terminal
Crystal oscillation control signal output to the servo IC (IC1)
CD text parameter strobe signal output to the servo IC (IC1)
Data strobe signal output to the servo IC (IC1)
Command/parameter identification signal output to the servo IC (IC1) “L”: command, “H”: parameter
Reset signal output to the servo IC (IC1)
CD text pack sync signal input from the servo IC (IC1)
Not used
CD mechanism self load position detection switch signal input
Not used
Ground for A/D converter
Not used
Not used
Key switch signal input in the test mode
Mode switch signal input in the test mode
Not used
Reference voltage for A/D converter
Power supply for A/D converter
CPU operation mode setting terminal
CPU operation mode setting terminal
Sub clock oscillator terminal (not used,open)
Sub clock oscillator terminal (not used,open)
Microcomputer reset signal input
Not used (fixed at “H”)
Not used (fixed at “H”)
Power supply
Main clock oscillator terminal
Ground
Main clock oscillator terminal
Flash write enable signal input
