DV-5050M/5900M/DVF-J6050/J6050-G
16
CIRCUIT DESCRIPTION
Port No.
Port Name
I/O
Function
Active
H
L
1
WAIT
I
Bus wait port.
2
NRD(ODC/AVDEC
O
Bus read port.
/SRAM)
O
Selection port of clock (2:1). 0:0 33MHz, 0:1 36MHz,
3
NWEL
1:1 24MHz DV-5050M/DVF-J6050
Unused. DV-5900M
4
NWEH (ODC/AVDEC
O
Bus read port.
/SRAM/ROM)
5
RAMCS(SRAM)
O
SRAM chip select.
6
ODCCS
O
ODC chip select.
7
AVCS(AVDEC)
O
AV decoder chip select.
8
ROMCS(ROM)
O
Flash ROM chip select.
9
SCLOCK(VDAC)
O
Clock output to VDAC (IC600). DV-5050M/DVF-J6050
(X25, IC600) DV-5900M (X35, IC600)
10
SDATA(VDAC)
O
Data output to VDAC (IC600). DV-5050M/DVF-J6050
(X25, IC600) DV-5900M (X35, IC600)
11
FRD(ROM)
O
Flash ROM read port.
12
WORD
-
Connected to VDD (+3.3V).
13~16
CPUADR0~3
O
Bus address (0~3).
17
VDD
-
Supply voltage (+3.3V).
18
SYSCLK(AVDEC)
O
Clock output to AV decoder (X35, IC300).
19
VSS
-
Connected to GND.
20
XI
I
Connected to GND.
21
XO
O
Unused.
22
VDD
-
Supply voltage (+3.3V).
23
OSCI(CLK135)
I
System clock input (13.5MHz).
24
OSCO
O
Unused.
25
MODE
I
Processor mode selection.
Expan.
Mode
26~33
CPUADR4~11
O
Bus address (4~11).
34
AVDD
-
Supply voltage (+3.3V).
35~42
CPUADR12~19
O
Bus address (12~19).
43
VSS
-
Connected to GND.
O
Bus address (20).
O
Busy data output.
Normal
Busy
O
Strobe output to Progressive Convert DAC (X25, IC601). DV-5050M
Unused. DV-5900M/DVF-J6050
O
HF monitor output.
O
Selection for writing the ROM.
Writing Normal
O
Audio mute control.
O
Enable to Digital Servo Controller (X35, IC1).
I
Unused. DV-5050M/DVF-J6050
Change-over the component terminal. DV-5900M
52
STBTI
O
Unused. DV-5050M/DVF-J6050
Strobe output to MP3 decoder (X35, IC900). DV-5900M
53
FRSW
O
Flash ROM 1, 2 (X35, IC207, 215) change-over.
Default
54
VDD
-
Supply voltage (+3.3V).
55
FEPEN
O
Enable to FEP (traverse).
56
CLKSEL
O
Clock selection.
57
STBDAC2
O
Unused. DV-5050M/DVF-J6050
Strobe output to ADAC (X25, IC205). DV-5900M
58
STBSP1
O
Unused. DV-5050M/DVF-J6050
Strobe output to serial-parallel converter (X25, IC224). DV-5900M
6-3 Port Function of DVD Microcomputer : MN102N62GGB (X35, IC201)
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