Pin No.
Pin Name
I/O
Description
1
/XLAT
O
Control latch to CXD2655R
2
/XRST
O
Reset to CXD2655R
3
NC
O
No use
4
/LDON
O
The laser of the pickup output on/off. L:output.
5
BEEP
O
Beep sound output.
6
NC
O
No use
7
/RESET
–
Microprocessor reset.
8
VDD
–
Power supply (+5V).
9,10
X1,2
I
Main clock generation(12MHz).
11
VSS
–
GND
12
/XSTBY
O
Standby signal output.
13
CTL
O
The feed motor drive signal output.
14
PASS
O
Power save by-pass signal for DC/DC
15
/SP
O
Inverted switch port of the power supply to system and IC .
16,17
NC
O
No use
18
/CHGOK
I
Rechargeable battery OK signal input port. H:NG
19
CHG
O
Rechargeable current control output. H:charge on.
20
SYS POWER
O
The switch port of the power supply to system and IC .
21
MLCD C/D
O
Display driver command check signal output.
22
MLCD C/S
O
Display driver chip select signal output.
23
RLCDDATA
O
Remote control display driver serial control data.
24
PWS
O
Headphone amp output selector. H:output.
25-41
–
O
No use
42,43
TEST1,0
I
Test mode.
44
NC
O
No use
45
VSS
–
GND
46
TEST
I
Device test.
47
NC
O
No use
48
EPCLK
O
E2ROM serial control clock output.
49
MLCD CLK
O
Display driver clock signal output.
50
–
O
No use
51
MCLD DATA
O
Display driver data signal output.
52
EPCS
O
E2ROM serial control latch output.
53
EPDI
O
E2ROM serial control data output.
54
EPDO
I
E2ROM serial control data input.
55
VDD
–
Power supply (+5V).
56,57
KEY0,1
I
A/D voltage matrix key input. key0=unit,key1=:remocon).
58
ADP
I
A/D external power supply voltage check input.
59
BATT1
I
A/D minus power supply data input.
60
BATT2
I
A/D pulse internal power supply data input.
61
SPIN
I
A/D spindle drive voltage input.
62
/HPLD
I
HPLD switch check output. H:HOLD off.
63
ADON
O
AVREF output.
64
AVDD
–
Power supply (+5V) for A/D.
65
AVREF1
–
Reference voltage for A/D.
66
AVSS
–
GND for A/D.
67
NC
O
No use
5
DMC-J3
CIRCUIT DESCRIPTION
1-2 Pin description
DMC-J3(K)1P(
98.4.25
19:57
y [ W
10