Table 3-9. Crt Signal Descriptions - Ampro COM 830 Reference Manual

Chapter 3
Table 3-8. USB Signal Descriptions (Continued)
USB7-
USB_0_1_OC#
USB_2_3_OC#
USB_4_5_OC#
USB_6_7_OC#

Table 3-9. CRT Signal Descriptions

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.
COM 830
USB Port 7, data - or D-
USB over-current sense,
USB ports 0 and 1. A pull-
up for this line shall be
present on the module. An
open drain driver from a
USB current monitor on
the carrier board may
drive this line low. Do not
pull this line high on the
carrier board.
USB over-current sense,
USB ports 2 and 3. A pull-
up for this line shall be
present on the module. An
open drain driver from a
USB current monitor on
the carrier board may
drive this line low. Do not
pull this line high on the
carrier board.
USB over-current sense,
USB ports 4 and 5. A pull-
up for this line shall be
present on the module. An
open drain driver from a
USB current monitor on
the carrier board may
drive this line low. Do not
pull this line high on the
carrier board.
USB over-current sense,
USB ports 6 and 7. A pull-
up for this line shall be
present on the module. An
open drain driver from a
USB current monitor on
the carrier board may
drive this line low. Do not
pull this line high on the
carrier board.
Reference Manual
I/O
I PU 10k
3.3VSB 3.3VSB
I PU 10k
3.3VSB 3.3VSB
I PU 10k
3.3VSB 3.3VSB
I PU 10k
3.3VSB 3.3VSB
I/O
O
Analog
O
Analog
Signals and Pinout Tables
USB 2.0 compliant and
backwards compatible
to USB 1.1
PU/PD Comment
PD 150R Analog output
PD 150R Analog output
31