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