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32
• IF BOARD IC1
µ
PD784215AYGF-514-3BA (IF CONTROLLER)
Ver 1.3
Pin No.
Pin Name
I/O
Description
1 to 8
—
O
Not used (open)
9
VCC
—
Power supply terminal (+5V)
10
DRVCS
O
Chip select signal output for FL driver Not used (open)
11
DRVRST
O
Reset signal output for FL driver “L”: reset Not used (open)
12, 13
LEDLAT0,
LEDLAT1
O
LED driver latch pulse output terminal Not used (open)
14
SYSPWR
O
DVD system power on/off control signal output to the DVD power supply block
“L”: power on
15
SYSRET
O
Reset signal output to the DVD system controller (IC202) “L”: reset
16
AMUTE
O
Audio muting signal output terminal “L”: muting on Not used
17
VMUTE
O
Video muting signal output terminal “H”: muting on Not used
18
DVD FUNC
O
Function selection signal output terminal “H”: DVD Not used (open)
19 to 20
—
O
Not used (open)
21
SLFCHK
I
Self check on signal input terminal “L”: self check on Normally fixed at “H”
22
TEST/VPP
—
Ground terminal
23, 24
FUNC_A
O
Function selection signal output terminal Not used (open)
25, 26
FUNC_B
O
Function selection signal output terminal Not used (open)
27, 28
FUNC_C
O
Function selection signal output terminal Not used (open)
29
BUSM
O
DVD data over signal output to the system controller (IC401)
30
—
O
Not used (open)
31
FMUTE
O
Function muting signal output terminal “L”: muting on Not used (open)
32
ATT
O
Attenuate on signal output terminal “L”: attenuate on Not used (open)
33
DVD_AGUP
O
DVD audio gain up signal output “H”: gain up Not used (open)
34, 35
—
O
Not used (open)
36
I2CBSY
O
Communication data bus busy signal output to the system controller (IC401) “L”: busy
37
VDD
—
Power supply terminal (+5V)
38, 39
X2, X1
—
System clock connection terminal (12.5 MHz)
40
VSS
—
Ground terminal
41
XT2
—
System clock connection terminal Not used (open)
42
XT1
—
System clock connection terminal Not used (fixed at “L”)
43
RESET
I
DVD reset signal input from the system controller (IC401)
44
I2CBSY
I
Communication data bus busy signal input from the system controller (IC401) “L”: busy
45
SYSCS
I
Chip select signal input from the DVD system controller (IC202)
46
SYSRQ
O
System I/F request signal output to the gate array (IC601)
47
SYSOK
O
Acknowlege signal output to the DVD system controller (IC202)
48
ACCUT
I
AC off detection signal input terminal “L”: AC off
49, 50
JOG0, JOG1
I
Jog dial pulse input terminal Not used (fixed at “L”)
51
AVDD
—
Power supply terminal (+5V) (for A/D conversion)
52
AVREF0
I
Reference voltage (+5V) input terminal (for A/D conversion)
53 to 56
KEY0 to KEY3
I
Key input terminal (A/D input) Not used (fixed at “H”)
57 to 59
SELECT0 to
SELECT2
I
Mode selection signal input terminal Not used (fixed at “H”)
60
PWRCHK
I
DVD system power (+3.3V) supplied check terminal “H”: power supplied
61
AVSS
—
Ground terminal (for A/D conversion)
Содержание HCD-ZX70DVD
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