CME-Atom User Manual 1.2
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Page 22
4.1.10
Analog VGA (CRT)
These pins carry video and timing data for graphical display on a TV device, as indicated.
Signal Name
Signal Function
Direction
VGA_RED
Red for monitor. Analog DAC output, designed to drive a
37.5-Ohm equivalent load.
O
VGA_GRN
Green for monitor. Analog DAC output, designed to drive a
37.5-Ohm equivalent load.
O
VGA_BLU
Blue for monitor. Analog DAC output, designed to drive a
37.5-Ohm equivalent load.
O
VGA_HSYNC
Horizontal sync output to VGA monitor
O
VGA_VSYNC
Vertical sync output to VGA monitor
O
VGA_I2C_CK
DDC clock line (I2C port dedicated to identify VGA monitor
capabilities)
O
VGA_I2C_DAT DDC data line.
I/O
4.1.11
TV Out
These pins carry the composite video out signals.
Signal Name
Signal Function
Direction
TV_DAC_A
TVDAC Channel A Output supports the following:
Composite video: CVBS
Component video: Chrominance (Pb) analog signal
S-Video: not used
O
TV_DAC_B
TVDAC Channel B Output supports the following:
Composite video: not used
Component video: Luminance (Y) analog signal.
S-Video: Luminance analog signal.
O
TV_DAC_C
TVDAC Channel C Output supports the following:
Composite video: not used
Component: Chrominance (Pr) analog signal.
S-Video: Chrominance analog signal.
O