User`s guide

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Table 10 CRT Signal Descriptions

Signal Pin # Description I/O PU/PD Comment

VGA_RED B89 Red for monitor. Analog DAC output, designed to drive a 37.5-Ohm equivalent load. O Analog PD 150R Analog output

VGA_GRN B91 Green for monitor. Analog DAC output, designed to drive a 37.5-Ohm equivalent load. O Analog PD 150R Analog output

VGA_BLU B92 Blue for monitor. Analog DAC output, designed to drive a 37.5-Ohm equivalent load. O Analog PD 150R Analog output

VGA_HSYNC B93 Horizontal sync output to VGA monitor O 3.3V

VGA_VSYNC B94 Vertical sync output to VGA monitor O 3.3V

VGA_I2C_CK B95 DDC clock line (I²C port dedicated to identify VGA monitor capabilities) I/O 3.3V PU 2k2 3.3V

VGA_I2C_DAT B96 DDC data line. I/O 3.3V PU 2k2 3.3V

Table 11 LVDS Signal Descriptions

Signal Pin # Description I/O PU/PD Comment

LVDS_A0+

LVDS_A0-

LVDS_A1+

LVDS_A1-

LVDS_A2+

LVDS_A2-

LVDS_A3+

LVDS_A3-

A71

A72

A73

A74

A75

A76

A78

A79

LVDS Channel A differential pairs O LVDS

LVDS_A_CK+

LVDS_A_CK-

A81

A82

LVDS Channel A differential clock O LVDS

LVDS_B0+

LVDS_B0-

LVDS_B1+

LVDS_B1-

LVDS_B2+

LVDS_B2-

LVDS_B3+

LVDS_B3-

B71

B72

B73

B74

B75

B76

B77

B78

LVDS Channel B differential pairs O LVDS

LVDS_B_CK+

LVDS_B_CK-

B81

B82

LVDS Channel B differential clock O LVDS

LVDS_VDD_EN A77 LVDS panel power enable O 3.3V PD 10k

LVDS_BKLT_EN B79 LVDS panel backlight enable O 3.3V

LVDS_BKLT_CTRL B83 LVDS panel backlight brightness control O 3.3V

LVDS_I2C_CK A83 DDC lines used for at panel detection and control. O 3.3V PU 2k2 3.3V

LVDS_I2C_DAT A84 DDC lines used for at panel detection and control. I/O 3.3V PU 2k2 3.3V