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67
HCD-RG190/RG290
Pin No.
Pin Name
I/O
Description
93
XTSL
I
Input terminal for the system clock frequency setting
"L": 16.9344 MHz, "H": 33.8688MHz Fixed at "L" in this set
94
IOVSS0
-
Ground terminal
95
XTACN
I
Oscillation circuit on/off control signal input from the system controller
"L": oscillation stop, "H": self-oscillation
96
SQSO
O
Subcode Q data output terminal Not used
97
SQCK
I
Subcode Q data reading clock signal input terminal Not used
98
SBSO
O
Subcode serial data output to the CD graphic decoder
99
EXCK
I
Subcode serial data reading clock signal input from the CD graphic decoder
100
XRST
I
System reset signal input from the system controller "L": reset
101
SYSM
I
System muting on/off control signal input terminal "H": muting on Fixed at "L" in this set
102
DATA
O
CD serial data input from the system controller
103
VSS
-
Ground terminal
104
XLAT
I
CD serial data latch pulse signal input from the system controller
105
CLOCK
I
CD serial data transfer clock signal input from the system controller
106
VDD
-
Power supply terminal (+3.3V)
107
SENS
O
Internal status (SENSE) signal output to the system controller
108
SCLK
I
SENSE serial data reading clock signal input terminal Not used
109
ATSK
O
Output terminal for anti-shock Not used
110
WFCK
O
Write frame clock signal output to the CD graphic decoder
111
XUGF
O
XUGF signal output terminal Not used
112
XPCK
O
XPCK signal output terminal Not used
113
GFS
O
Guard frame sync signal output terminal Not used
114
C2PO
O
C2 pointer signal output terminal Not used
115
SCOR
O
Subcode sync (S0+S1) detection signal output to the system controller and CD graphic decoder
116
VDD
-
Power supply terminal (+3.3V)
117
C4M
O
4.2336 MHz clock signal output terminal Not used
118
WDCK
O
Guard subcode sync (S0+S1) detection signal output terminal Not used
119
COUT
O
Numbers of track counted signal output to terminal Not used
120
NC
-
Not used
Summary of Contents for HCD-RG190
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