HCD-GPX5G/GPX7G/GPX8G
56
• IC Pin Function Description
MAIN BOARD (1/4) IC500 R5F3650KBDFA
Pin No.
Pin Name
I/O
Description
1
LED-DATA
O
Data output pin to LED driver
2
LED-CLK
O
Clock output pin to LED driver
3
FR-SPK-LED-RED
O
PWM output to front speaker RED LED (Only for HCD-GPX7 and HCD-GPX8)
4
FR-SPK-LED-BLUE
O
PWM output to front speaker BLUE LED (Only for HCD-GPX7 and HCD-GPX8)
5
SIRCS
I
Remote control signal input
6
LED-LATCH
O
Latch Output to LED driver
7
LED-DRIVER-OE
O
Output Enable Signal to LED Driver
8
BYTE
-
Ground terminal
9
CNVSS
-
Ground terminal
10
XC-IN
I
Sub system clock input terminal (32.768kHz)
11
XC-OUT
I
Sub system clock output terminal (32.768kHz)
12
RESET
I
System reset signal input from the reset signal IC "L": reset
After the power supply rises, "L" is input for several hundreds msec and then change to "H".
13
XOUT
O
Main system clock output terminal (8MHz)
14
VSS
-
Ground terminal
15
XIN
I
Main system clock input terminal (8MHz)
16
VCC1
I
Power supply terminal (+3.3V)
17
NMI
I
Non-maskable interrupt input terminal
18
MIC-DETECT
I
Mic Input Detection pin. "L": Mic detected (Only for HCD-GPX7 and HCD-GPX8)
19
AC-CUT
I
AC off detection signal input from the reset signal IC "L": AC Cut detected
20
NO-USE
-
Not Used
21
VBUS-OE
O
MTK Vbus Output enable control pin
22
FR-SPK-LED-GREEN
O
PWM output to front speaker GREEN LED (Only for HCD-GPX8)
23
NO-USE
-
Not Used
24
SW-SPK-LED-
GREEN
O
PWM output to subwoofer GREEN LED (Only for HCD-GPX8)
25
ASEL
O
Digital Selector Pin
26
DAMP-CLK
O
Clock output signal to Digital Amp
27
DSP-RESET
O
DSP reset pin
28
SW-SPK-LED-RED
O
PWM output to subwoofer RED LED (Only for HCD-GPX7 and HCD-GPX8)
29
NO-USE
-
Not Used
30
SW-SPK-LED-BLUE
O
PWM output to subwoofer BLUE LED (Only for HCD-GPX7 and HCD-GPX8)
31
SOFT-DEBUG1
-
Not Used
32
SOFT-DEBUG2
-
Not Used
33
SOFT-DEBUG3
-
Not Used
34
SOFT-DEBUG4
-
Not Used
35
MTK-SOD
O
Data Out Signal to MTK DMB Board
36
MTK-SIO
I
Data In Signal from MTK DMB Board
37
MTK-CLK
I
Clock Signal from MTK DMB Board
38
MTK-BUSY
O
BUSY Signal communication between MTK Board
39
CLOCK-OUTPUT
-
Not Used
40
MTK-RESET
O
MTK DMB Board reset pin
41
MTK-XIFCS
I
Chip Select Signal from MTK DMB Board
42
MTK-POWER-CTRL
O
Power Control pin for MTK DMB board
43
LM-R
O
CDM turning motor control signal output
44
LM-F
O
CDM turning motor control signal output
45
TM-R
O
CDM turning motor control signal output
46
TM-F
O
CDM turning motor control signal output
47
DSP-DATA
I/O
DSP IC: Data signal for IIC communcation
48
DSP-CLK
I/O
DSP IC: Clock signal for IIC communcation
49
E-1
I
Disc tray status detection signal input from CDM
50
E-2
I
Disc tray status detection signal input from CDM
51
E-3
I
Disc tray status detection signal input from CDM
52
TBL-SENSE
I
Disc tray position detection signal input from CDM
53
OPEN-SW
I
Eject detection signal input from CDM
54
NO-USE
-
Not Used
55
NO-USE
-
Not Used
56
NO-USE
-
Not Used
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