Kenwood RD-DV5-S Service Manual page 17

Port No. Port Name
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
RD-DV5-S/DV7-L/DV5MD-S
CIRCUIT DESCRIPTION
I/O
SIO0 data input to communicate between main
I
microcomputer and DVD system 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
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