59
HCD-BC150/BC250
• DMB09 BOARD IC201 CXD9781R (DVD SYSTEM PROCESSOR, DVD DECODER, DIGITAL SERVO PROCESSOR)
Pin No.
Pin Name
I/O
Description
1
IREF
I
Current reference input
2
PLLVSS
—
Terminal Ground
3
LPIOP
O
Positive output of the low pass filter
4
LOION
O
Nagative output of the low pass filter
5
LPFON
O
Nagative output of loop filter amplifier
6
LPFIP
I
Positive input of loop filter amplifier
7
LPFIN
I
Nagative input of loop filter amplifier
8
LPFOP
O
Positive output of loop filter amplifier
9
JITFO
O
RF jitter neter output
10
JITFN
I
Nagative input of operation amplifier for RF jigger meter
11
PLLVDD3
—
Power Supply (+3.3V)
12
FOO
O
FR signal output to Motor Driver (IC101)
13
TRD
O
TR signal output to Motor Driver (IC101)
14
TROPREOWM
O
TROPREOWM signal output to Motor Driver (IC101)
15
PWMOUT1
—
Not used
16
PWMOUT2
O
PWMUTE signal output to Motor Driver (IC102)
17
DVDD2
—
Power Supply (+2.5V)
18
DMD
O
DM signal output to Motor Driver (IC101)
19
FMD
O
FM signal output to Motor Driver (IC101)
20
DVSS
—
Terminal Ground
21
FG
—
Not used
22 to 27
HIGHA0 to 5
O
Address bus 8-13 output to PROM (IC204)
28
DVSS
—
Terminal Ground
29 to 30
HIGHA6 to 7
O
Address bus 14-15 output to PROM (IC204)
31 to 34
AD7 to 4
I
Data bus 7-4 input from PROM (IC204)
35
DVDD3
—
Power Supply (+3.3V)
36 to 39
AD3 to 0
I
Data bus 3-0 input from PROM (IC204)
40 to 41
IOA0 to 1
O
Address bus 0-1 output to PROM (IC204)
42
DVDD2
—
Power Supply (+2.5V)
43 to 48
IOA2 to 7
O
Address bus 2-7 output to PROM (IC204)
49 to 50
A16 to 17
O
Address bus 16-17 output to PROM (IC204)
51 to 53
IOA18 to 20
O
Address bus 18-20 output to PROM (IC204)
54
APLLVSS
—
Terminal Ground
55
APLLVDD
—
Power Supply (+3.3V)
56
ALE
—
Address bus latch enable (Not used)
57
IOOE
O
OE signal output to PROM (IC204)
58
IOWA
O
WE signal output to PROM (IC204)
59
IOCS
O
CE signal output to PROM (IC204)
60
VDSS
—
Terminal Ground
61
UP12
O
VIFBUSY signal output to SYSTEM CONTROLLER (IC509)
62
UP13
O
DVD SCO signal output to SYSTEM CONTROLLER (IC509)
63
UP14
I
DVD SOD signal input from SYSTEM CONTROLLER (IC509)
64
UP15
I
DVD XIFCS signal input from SYSTEM CONTROLLER (IC509)
65
UP16
O
SCL signal output to EEPROM (IC205)
66
DVDD3
—
Power Supply (+3.3V)
67
UP16
O
SDA signal output to EEPROM (IC205)
68
UP30
I
V2P8 signal input from RF AMP (IC102)
Содержание HCD-BC150 - Dvd Home Theater System
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