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MICROCOMPUTER'S TERMINAL DESCRIPTION
Pin No.
Pin Name
I/O
50,51
NC
O
52
LIM SW
I
53
DISC_NORMAL
O
54
DISC_H_RW
O
55
DISC_RW
O
56
TEST OUT4
O
57
TEST OUT3
O
58
TEST OUT2
O
59
TEST OUT1
O
60
VCC2
-
61
TEST OUT0
O
62
VSS
-
63~66
NC
O
67
TEST IN3
I
68
MODEL_SEL
I
69
E2P WRITE
I
70
UNIQ ID
I
71~73
NC
O
74
SEARCH
O
75,76
NC
O
77
_DSP RST
O
78
DSP A0
O
79
DA EMPHASIS
I
80
ROM EMPHASIS
I
81
_DATA MUTE
O
82
_CS RST
O
83
NC
O
84
SREQ
O
85
BREQ
I
86~93
NC
O
94
AVSS
-
95
NC
O
96
VREF
-
97
AVCC
-
98~100 NC
O
Application
Not used
PU inner circumference detection SW signal input
Media detection result (normal DISC detected) output
Media detection result (high-reflection RW detected) output
Media detection result (normal RW detected) output
Output 4 terminal for TEST
Output 3 terminal for TEST
Output 2 terminal for TEST
Output 1 terminal for TEST
Power supply input
Output 0 terminal for TEST
Power supply input
Not used
TEST IN3
MODEL detection terminal
TEST IN1: E2P writing-in permission
TESTINO: Unique ID writing permission
Not used
Search condition output
Not used
(DSP) Reset control
(DSP) Command/parameter detection signal output
(DSP) DA emphasis input
(Decoder) ROM emphasis input
Data output status
(Decoder) Reset control
Not used
(Decoder) SREQ signal output
(Decoder) BREQ signal input
Not used
Analog power supply input
Not used
Reference voltage input
Analog power supply input
Not used
KOS-A200
Processing Operation Description
Open output L fixed
H: Inner circumference, L: Other
H: Normal DISC, L: Other
H: Hi-reflection RW DISC, L: Other
H: Normal RW DISC, L: Other
Open output L fixed
Open output L fixed
Open output L fixed
Open output L fixed
BU3.3V connection
Open output L fixed
GND connection
Open output L fixed
PullDown connection, L: Normal, H: When TEST
L: 6810, H: 6820
PullDown connection, L: Normal, H: When writing
PullDown connection, L: Normal, H: When writing
Open output L fixed
H: Searching, L: Normal (x2 is fixed to L)
Open output L fixed
L: RESET, H: NORMAL
H: Parameter being sent, L: Command being sent
H: EMPHASIS ON, L: EMPHASIS OFF
H: EMPHASIS ON, L: EMPHASIS OFF
L: DATA output MUTE, H: DATA being output
L: RESET, H: NORMAL
Open output L fixed
Open output L fixed
GND connection
Open output L fixed
Not used, GND connection
BU3.3V connection
Open output L fixed
9
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