ESM-2850

2.4.2.1.11TV Out Signals

Signal

Signal Description

 

TVDAC Channel A Output supports the following:

Pb

Composite: CVBS signal

 

Component: Chrominance (Pb) analog signal.

 

TVDAC Channel B Output supports the following:

Y

S-Video: Luminance analog signal.

 

Component: Luminance (Y) analog signal.

 

 

 

TVDAC Channel C Output supports the following:

Pr

S-Video: Chrominance analog signal.

 

Component: Chrominance (Pr) analog signal.

 

 

2.4.2.1.12VGA Signals

 

Signal

 

Signal Description

 

VGA_RED

 

 

Red for monitor. Analog DAC output, designed to drive a 37.5-Ohm equivalent

 

 

 

load.

 

 

 

 

 

VGA_GRN

 

Green for monitor. Analog DAC output, designed to drive a 37.5-Ohm equivalent

 

 

load.

 

 

 

 

 

 

 

 

 

 

VGA_BLU

 

 

Blue for monitor. Analog DAC output, designed to drive a 37.5-Ohm equivalent

 

 

 

load.

 

 

 

 

 

VGA_HSYNC

 

Horizontal sync output to VGA monitor

 

 

 

 

 

VGA_VSYNC

 

 

Vertical sync output to VGA monitor

 

VGA_ I2C_CK

 

DDC clock line (I2C port dedicated to identify VGA monitor capabilities)

 

VGA_ I2C_DAT

 

DDC data line.

2.4.2.1.13USB Signals

Signal

Signal Description

USB[0:7] +/-

USB differential pairs, channels 0 through 7

USB_0_1_OC#

USB over-current sense, USB channels 0 and 1

 

 

USB_2_3_OC#

USB over-current sense, USB channels 2 and 3

USB_4_5_OC#

USB over-current sense, USB channels 4 and 5

 

 

USB_6_7_OC#

USB over-current sense, USB channels 6 and 7

 

 

32 ESM-2850 User’s Manual