Ic Pin Function Description - Sony HCD-RV7 Service Manual

HCD-RV7/RV8
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7-33. IC PIN FUNCTION DESCRIPTION

• VIDEO BOARD IC505 CXD1887R (DIGITAL SIGNAL PROCESSOR, DIGITAL SERVO PROCESSOR,
MPEG VIDEO/AUDIO DECODER, VIDEO SIGNAL ENCODER)
Pin No. Pin Name
1 VB
2 IREF
3 VRF
4 VG
5 XCPSIG
6 CPSIG
7 CSIG
8 V AVD2
9 V AVS2
10 IVD1
11 I2C CLK
12 I2C DATA
13 GPIO0
14 GPIO1
15 GPIO2
16 GPIO3
17 LVD1
18 GPIO4
TE
L 13942296513
19 GPIO5
20, 21 GPIO6, GPIO7
22 LVS1
23 GPIO8
24 GPIO9
25 GPIO10
26 GPIO11
27 LVD2
28 GPIO12
29 GPIO13
30 GPIO14
31 IVS1
32 LVS2
33 IVD2
DRADR0 to
34 to 37
DRADR3
38 LVD3
DRADR4 to
39 to 45
DRADR10
46 LVS3
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47 IVS2
48 IVD3
DRDAT0 to
49 to 56
.
DRDAT7
57 IVS3
58 IVD4
56
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I/O
O
Connected to ground via a capacitor
O
D/A converter reference current output
I
D/A converter reference voltage input
O
Connected to the analog power supply (+2.5V) via a capacitor
O
Luminance video composite/component signal invert output terminal Not used
O
Luminance video composite/component signal output
O
Chrominance video composite signal output
—
Analog power supply terminal (+2.5V) (for D/A converter)
— Analog ground terminal (for D/A converter)
—
Power supply terminal (+3.3V) (for I/O)
Communication data reading clock signal input or transfer clock signal output terminal
I/O
Not used
I/O Communication data bus terminal Not used
I
Serial data input from the system controller
O Serial data output to the system controller
O
Serial data transfer clock signal output to the system controller
I Request signal input from the system controller
—
Digital power supply terminal (+2.5V) (for AV decoder block)
I Acknowledge signal input from the system controller
O
Chip select signal output to the system controller
I/O Not used
—
Digital ground terminal (for AV decoder block)
I/O
Not used
O
Frequency selection signal output
I/O
Not used
O
Serial data latch pulse signal output to the digital filter
—
Digital power supply terminal (+2.5V) (for AV decoder block)
O
Control signal output to the D/A converter
O
Serial data transfer clock signal output to the digital filter and D/A converter
O
Serial data output to the digital filter and D/A converter
—
Ground terminal (for I/O)
—
Digital ground terminal (for AV decoder block)
—
Power supply terminal (+3.3V) (for I/O)
O
Address signal output to the D-RAM and program ROM
— Digital power supply terminal (+2.5V) (for AV decoder block)
O
Address signal output to the D-RAM and program ROM
—
Digital ground terminal (for AV decoder block)
— Ground terminal (for I/O)
—
Power supply terminal (+3.3V) (for I/O)
x ao
y
I/O
Two-way data bus with the D-RAM Data input from the program ROM
i
— Ground terminal (for I/O)
—
Power supply terminal (+3.3V) (for I/O)
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