30
HCD-DF1
•
IC Pin Function Description
MAIN BOARD U1 3P70F4XZZ-S094 (SYSTEM CONTROLLER)
Pin No.
Pin Name
I/O
Description
1
VSS
-
Ground terminal
2
XOUT
O
System clock output terminal (4.19 MHz)
3
XIN
I
System clock input terminal (4.19 MHz)
4
TEST
I
Test signal input terminal Not used
5
REMOTE
I
SIRCS signal input from the remote control receiver
6
DVD_STB
/TU_DO
I
Strobe signal input from the DVD block
Serial data input from the tuner (FM/AM)
7
RESET
I
System reset signal input terminal "L": reset
For several hundreds msec. after the power supply rises, "L" is input, then it changes to "H"
8
NC
-
Not used
9
DVD_CLK
/TU_CLK
I/O
Strobe signal input from the DVD block
Serial data transfer clock signal output to the tuner (FM/AM)
10
DVD_IR/TU_DI
I/O
Interrupt request signal input from the DVD block
Serial data output to the tuner (FM/AM)
11
DVD_DATA
/TU_CE
I/O
Serial data input from the DVD block
Chip enable signal output to the tuner (FM/AM)
12
PROTECT
I
Protect signal input terminal
13 to 15
KEY_IN0 to
KEY_IN2
I
Front panel key input terminal (A/D input)
16
KEY_OUT
I
Wake up signal input terminal
17
OPTION_IN
O
System clock signal output to the liquid crystal display
18
BU9728_CLK
O
Serial data transfer clock signal output to the liquid crystal display
19
NC
-
Not used
20
BU9728_CE
O
Chip enable signal output to the liquid crystal display
21
BU9728_DATA
O
Serial data output to the liquid crystal display
22
BU9728_C/D_STB
O
Command strobe signal output to the liquid crystal display
23
MUTE
O
Muting on/off control signal output terminal "L": muting on
24
TU_VCC_CTRL
O
Power on/off control signal output terminal "L": power on
25
POWER_CTRL
O
Power on/off control signal output terminal for main power "L": power on
26
24C01_CLK
/7314_CLK
I
Serial data transfer clock signal output to the electrical volume and EEPROM
27
24C01_DATA
/7314_DATA
I/O
Serial data output to the electrical volume
Two-way data bus with the EEPROM
28
DVD_VCC_CTRL
O
Power on/off control signal output terminal for DVD block "H": power on
29
OP/CL
I
DVD lid open/close detection signal input terminal "L": DVD lid is closed
30
STAND_BY
O
LED drive signal output terminal for STANDBY indicator "H": LED on
31
OUT2
O
Fan motor drive signal output terminal Not used
32
VDD
-
Power supply terminal (+3.3V)
Summary of Contents for CMT-DF1
Page 14: ...12 HCD DF1 MEMO ...
Page 45: ...43 HCD DF1 MEMO ...
