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HCD-HDX500/HDX501W
•
IC Pin Function Description
MAIN BOARD IC501 M30626MHP-A70FPU0 (SYSTEM CONTROLLER) (HDX500)
IC501 M30626MHP-B27FPU0 (SYSTEM CONTROLLER) (HDX501W)
Pin No.
Pin Name
I/O
Description
1
DAMP_SCDT/
DIAT_SDATA/
DIR_DIN
O
Serial data output to the stream processor, DIR-TC1 slot and digital audio interface receiver
2
DAMP_SHIFT/
DIAT_SCLK/
DIR_CLK
O
Serial data transfer clock signal output to the stream processor, DIR-TC1 slot and digital audio
interface receiver
3
CEC_RX_IN
I
CEC serial data input from the HDMI OUT connector
4
SIRCS_IN
I
SIRCS signal input from the remote control receiver
5
DSP_MOSI
O
Serial data output to the DSP
6
DSP_MISO
I
Serial data input from the DSP
7
DSP_SPICLK
O
Serial data transfer clock signal output to the DSP
8
BYTE
I
External data bus width selection signal input terminal Fixed at "L" in this set
9
CNVSS
I
Processor mode switch input terminal (for test) Fixed at "L" in this set
10, 11
EN_A, EN_B
I
Jog dial pulse input from the rotary encoder (for VOLUME)
12
RESET
I
System reset signal input from the reset signal generator "L": reset
For several hundreds msec. after the power supply rises, "L" is input, then it change to "H"
13
XOUT
O
Main system clock output terminal (5 MHz)
14
VSS
-
Ground terminal
15
XIN
I
Main system clock input terminal (5 MHz)
16
VCC
-
Power supply terminal (+3.3V)
17
NMI
I
Non-maskable interrupt input terminal Fixed at "H" in this set
18
DIR_ZERO
I
Audio serial data input from the digital audio interface receiver
19
DIR_CSFLAG
I
CSFLAG data input from the digital audio interface receiver
20
AC_CUT
I
AC cut detection signal input terminal "L": AC cut on
21
FL_CLK/
LED_CLK
O
Serial data transfer clock signal output to the LED driver and fluorescent indicator tube driver
22
CEC_TX_OUT
O
CEC serial data output to the HDMI OUT connector
23
DIAT_CSOD
I
Captor start delay signal input from the DIR-TC1 slot
FL_D_OUT/
LED_DATA
Serial data output to the LED driver and fluorescent indicator tube driver
MIC gain control signal output terminal
Disc insert (8/12cm) detect switch input terminal "L": disc insert
Muting on/off control signal output terminal
Serial data input from the DMPORT1 connector and DMPORT2 connector
Serial data output to the DMPORT1 connector and DMPORT2 connector
Serial data output to the servo DSP
32
DVD_SOD
I
Serial data input from the servo DSP
33
DVD_SCO
I
Serial data transfer clock signal input from the servo DSP
34
DVD_XIFBUSY
O
Busy signal output to the servo DSP
35
SAT_TX_OUT
O
Serial data output to the XM receiver
36
SAT_RX_IN
I
Serial data input from the XM receiver
37
DVD XIFCS
I
Chip select signal input from the servo DSP
38
MTK RST
O
Reset signal output to the servo DSP and flash memory "L": reset
39 to 41
P_CONT1 to
P_CONT3
O
Power on/off control signal output terminal "H": power on
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