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12 sata signals, 13 vga signals, 14 usb signals – Avalue ESM-BYT User Manual

Page 28

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ESM-BYT User

’s Manual

28 ESM-BYT

User’s Manual


2.4.2.1.12 SATA Signals

Signal

Signal Description

SATA[0:1]_TX +/-

Serial ATA Channel 0-1 transmit differential pair.

SATA[0:1]_RX +/-

Serial ATA Channel 0-1 receive differential pair.

ATA_ACT#

ATA (parallel and serial) activity indicator, active low.

2.4.2.1.13 VGA Signals

Signal

Signal Description

VGA_RED

Red for monitor. Analog DAC output.

VGA_GRN

Green for monitor. Analog DAC output.

VGA_BLU

Blue for monitor. Analog DAC output.

VGA_HSYNC

Horizontal sync output to VGA monitor

VGA_VSYNC

Vertical sync output to VGA monitor

VGA_ I

2

C_CK

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

VGA_ I

2

C_DAT

DDC data line.

2.4.2.1.14 USB Signals

Signal

Signal Description

USB[0:6] +/-

USB differential pairs, channels 0 through 6

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