Copyright
©
2013
congatec
AG
QMX6m03
30/63
For dual channel output: Up to 170 MHz pixel clock (e.g 1600x1200 @ 60Hz + 35 % blanking)
The LVDS ports support the following configurations:
• One single channel output
• One dual channel output: single input split to two output channels
• Two identical outputs: single input sent to both output channels
• Two independent outputs: two inputs sent, each to a different output channel
Note
The LVDS interface can be used either as a single channel or as a dual channel. It is also possible to use the LVDS interface as two independent
single LVDS channels. To do this, it is recommended to configure the LVDS display in the bootloader.
Three independent displays are possible when connected as two single LVDS channel and one HDMI interface.
5.9
HDMI
High-Definition Multimedia Interface (HDMI) is a licensable compact audio/video connector interface for transmitting uncompressed digital
streams. HDMI encodes the video data into TMDS for digital transmission and is backward-compatible with the single-link Digital Visual
Interface (DVI) carrying digital video.
The conga-QMX6 provides HDMI connection directly from the Freescale
®
i.MX6 processor. Video data is provided through three differential
TMDS data pairs (TMDS_LANE0
±
to TMDS_LANE2
±
) and one differential clock pair (TMDS_CLK
±
). In addition, the conga-QMX6 includes
one standard I2C interface (I2C2_SDA and I2C2_SCL) for configuring and testing the HDMI 3D Tx PHY
and a pin (DP_HDMI_HPD) for HDMI
hot plug detection support.
5.10
LPC/GPIO
The conga-QMX6 does not support the Low Pin Count (LPC) signals, instead eight GPIO pins shared with the LPC pins according to Qseven
specification 2.0 are supported.
The General Purpose Input/Output pins can be configured as inputs or outputs. When configured as output, it is possible to write to an internal
register to control the state driven on the output pin. When configured as input, the input state can be detected by reading the status of an
internal register. To select the GPIO mode, configure the IOMUX.