7.5 X3 Connector Signal Descriptions
Table 16
Signal Descriptions
Signal
Description
I/O
PU/PD
Comment
VCC
Power 5VDC, ±5%
P
External supply
GND
Power Ground
P
External supply
N.C.
Not connected
N.A.
Do not connect
LTGIO0
Not connected
N.C.
Not supported
Table 17
CRT Signal Descriptions
Signal
Description of CRT signals
I/O
PU/PD
Comment
HSY
Horizontal Synchronization Pulse
O 3.3V
VSY
Vertical Synchronization Pulse
O 3.3V
R
Red channel RGB Analog Video Output
O
PD 150R
Analog output
G
Green channel RGB Analog Video Output
O
PD 150R
Analog output
B
Blue channel RGB Analog Video Output
O
PD 150R
Analog output
DDCK
Display Data Channel Clock
I/O 5V
PU 2k2 5V
DDDA
Display Data Channel Data
I/O 5V
PU 2k2 5V
Table 18
TV Signal Descriptions
Signal
Description of CRT signals
I/O
PU/PD
Comment
SYNC
Composite sync
N.C.
Not supported
Y
Luminance for S-Video or Red for SCART
O
PD 150R
Analog output
C
Chrominance for S-Video or Green for SCART
O
PD 150R
Analog output
COMP
Composite Video or Blue for SCART
O
PD 150R
Analog output
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