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Port No.
18
B FLAG
19
B SYNC
Video DAC
27,26,25
R/G/B (OUT)
32~34
Y/C/CV (OUT)
29
I REF RG
28
V REF RG
36
I REF YCC
35
V REF YCC
23
VDD RGB
24
VSS RGB
30
VDD YCC
31
VSS YCC
Shared memory interface
69~66
SMI ADR(0~3)
58~63
SMI ADR(4~9)
70~73
SMI ADR(10~13)
84~93
SMI DATA(0~15)
97~102
74,75
SMI CS(0,1)
76
SMI RAS
77
SMI CAS
78
SMI WE
79,80
SMI DQML, U
82
SMI CLKIN
95
SMI CLKOUT
Power supply
4,47,81,107
VDD3.3
136,159,184
14,37,64,94
VDD2.5
119,149,171,198
5,15,38,50,65,83
96,108,121,137
VSS
150,160,172,185,199
D/A Converter : PCM1748(IC302)
Pin No.
Pin Name
1
BCK
2
DATA
3
LRCK
4
DGND
5
VDD
6
VCC
7
VOUTL
8
VOUTR
9
AGND
10
VCOM
11
ZEROR
12
ZEROL
13
MD
14
MC
15
ML
16
SCK
DV-505/DVF-4050/-S
CIRCUIT DESCRIPTION
Port Name
I/O
I
12S error flag DVD
I
12S selector/ABS time
O
R/G/B output
O
Y/C/CV output
I
I REF DAC RGB
I
V REF DAC RGB
I
I REF DAC YCC
I
Y REF DAC YCC
-
YDDA RGB = 2.5V
-
GND
-
YDDA YCC = 2.5V
-
GND
O
Address bus SDRAM
O
Address bus SDRAM
O
Address bus SDRAM
I/O
Data bus SDRAM
O
Chip select bank 0,1
O
RAS SDRAM
O
CAS SDRAM
O
SDRAM write enable
O
DQ MASK EN LOW, UP
I
SDRAM clock in
O
SDRAM clock out
-
3.3V Power supply
-
2.5V Power supply
-
GND
I/O
I
Audio data bit clock input.
I
Audio data digital input.
I
Audio data latch enable input.
-
Digital ground.
-
Digital power supply (+3.3v).
-
Analog power supply (+5v).
O
Analog output for L-channel.
O
Analog output for R-channel.
-
Analog ground.
-
Common voltage decoupling.
O
Zero flag output for R-channel.
O
Zero flag output for L-channel.
I
Mode control data input.
I
Mode control clock input.
I
Mode control latch input.
I
System clock input
Main Function
SER VALID
SER SYNC
Description
Alternate function
Input
Output
7
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