28
Interfaces
3.5
Gigabit Ethernet Interface
Table 3-7 describes the pin signals of the Gigabit Ethernet header which consists of 10
right-angle pins, two rows, odd/even (1,2) pin sequence, and 0.079" (2mm) pitch.
Note
: The shaded table cells denote ground.
3.6
Gigabit Ethernet External LED Interface
Table 3-8 defines the signals of the external LED that indicates Gigabit Ethernet links and activ-
ity using a single row of 4 pins with 0.049" (1.25mm) pitch.
Note
: The shaded table cell denotes power. The * symbol indicates the signal is Active Low.
3.7
Video (TFT/VGA) Interface
Table 3-9 describes the pin signals of the Video interface, which uses a 44-pin, right-angle
header with 2 rows, odd/even sequence (1, 2), and 0.079" (2mm) pitch.
Table 3-7: Gigabit Ethernet Interface Pin Signals (CN9)
Pin #
Signal
Description
1
ETH-PE
Connected through two 75 ohm resistors in series to center tap of
isolation transformer and then to ground through common 1k PF
capacitor.
2
ETH-PE
3
ETH1_TRD0_P
Media Dependent Interface 0 +/-
4
ETH1_TRD0_N
5
ETH1_TRD1_P
Media Dependent Interface 1 +/-
6
ETH1_TRD1_N
7
ETH1_TRD2_P
Media Dependent Interface 2 +/-
8
ETH1_TRD2_N
9
ETH1_TRD3_P
Media Dependent Interface 3 +/-
10
ETH1_TRD3_N
Table 3-8: Gigabit Ethernet External LED Pin Signals (CN8)
Pin #
Signal
Description
1
+V3P3
+3.3 volts Power
2
ETH1_LINK_ACT*
Indicates link connectivity or transfer data activity
3
ETH1_LED_100*
Indicates link activity at 100 Mbps
4
ETH1_LED_1000*
Indicates link activity at 1000 Mbps
Table 3-9: Video Interface Pin Signals (CN7)
Pin #
Signal
Description
1
FP1_CLK
TFT Shift Clock – This clock signal provides the timing for transferring digital
pixel data.
2
FP1_DE
TFT Data Enable – This signal indicates valid data on any of the FP [23:0]
lines.
3
FP1_HSYNC
TFT Line Pulse – This signal is the digital monitor equivalent of HSYNC.
4
FP1_VSYNC
TFT Frame Marker – This signal is the TFT monitor equivalent of VSYNC.
5
GND1
Ground 1
6
GND2
Ground 2
7
NC
Not connected (FP0 = Flat Panel Data 0)
8
NC
Not connected (FP1 = Flat Panel Data 1)
9
FP2
Flat Panel Data 2 – data output, Blue0 (18-bit)
Содержание CM1-86DX3
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