Kenwood DV-5700 Service Manual page 11

Port No. Port Name
23 OSCI(CLK135)
24 OSCO
25 MODE
26~33 CPUADR4~11
34 AVDD
35~42 CPUADR12~19
43 VSS
44 CPUADR20
45 25BSY
46 STBPSL
47 HFMON
48 KMODE
49 AMUTE
50 CIRCEN(ENC)
51 PROGSW
52 STBTI
53 FRSW
54 VDD
55 FEPEN
56 CLKSEL
57 STBDAC2
58 STBSP1
59 STBDAC1
60 ADSCEN(ENS)
61 VSS
62 WMINT
63 E2CS
64 SCSIBN
65 196BSY
66 VDD
67 SCLK0
68 SI0
69 SO0
70 SCLK1
71 SI1
72 SO1
73 PULL UP0
74 PULL UP1
75 NMI
76 ADSCINT
77 ODCINT
78 AVINT
79 ICRST
80 MP3INT
81 ADSEP
82 RST
83 VDD
84~91 CPUDT0~7
92 VSS
93~100 CPUDT8~15
DV-5700/DVF-R9050/R9050-S
CIRCUIT DESCRIPTION
I/O
I System clock input (13.5MHz).
O Unused.
I Processor mode selection.
O Bus address (4~11).
- Supply voltage (+3.3V).
O Bus address (12~19).
- Connected to GND.
O Bus address (20).
O Busy data output.
O Unused.
O HF monitor output.
O Selection for writing the ROM.
O Audio mute control.
O Enable to Digital Servo Controller (X35, IC1).
I Change-over the component terminal.
O Strobe output to MP3 decoder (X35, IC900).
O Flash ROM 1, 2 (X35, IC207, 215) change-over.
- Supply voltage (+3.3V).
O Enable to FEP (traverse).
O Clock selection.
O Strobe output to ADAC (X25, IC205).
O Strobe output to serial-parallel converter (X25, IC224).
O Strobe output to ADAC (X25, IC204).
O Enable to Digital Servo Controller (X35, IC1).
- Connected to GND.
I Interruption port from Water Mark Detector (X35, IC500).
O Chip select to EEPROM (X33, IC206).
O Enable control to jig for writing the ROM.
I Busy data input.
- Supply voltage (+3.3V).
SIO0 clock output to communicate between main
O
microcomputer and DVD system microcomputer.
SIO0 data input to communicate between main
I
microcomputer and DVD microcomputer.
SIO0 data output to communicate between main
O
microcomputer and DVD system microcomputer.
O SIO1 clock output for control ICs.
I SIO1 data input for control ICs.
O SIO1 data output for control ICs.
I Unused.
I Unused.
I Unused.
I Interruption port from Digital Servo Controller (X33, IC1).
I Interruption port from Optical Disc Controller (X33, IC101).
I Interruption port from AV decoder (X33, IC301).
O Reset signal output to periphery ICs.
I Interruption port from MP3 decoder (X33, IC900).
I Unused.
I Reset signal input.
- Supply voltage (+3.3V).
I/O Bus data (0~7) input and output.
- Connected to GND.
I/O Bus data (8~15) input and output.
Function
Active
H L
Expan.
Mode
Normal Busy
Writing Normal
Default
Normal Busy
11