Ampro Corporation COM 830 - Manual (Page 37)

Chapter 3 Signals and Pinout Tables
COM 830 Reference Manual 31
USB7- USB Port 7, data - or D- I/O USB 2.0 compliant and
backwards compatible
to USB 1.1
USB_0_1_OC# 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.
I
3.3VSB PU 10k
3.3VSB
USB_2_3_OC# 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.
I
3.3VSB PU 10k
3.3VSB
USB_4_5_OC# 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.
I
3.3VSB PU 10k
3.3VSB
USB_6_7_OC# 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.
I
3.3VSB PU 10k
3.3VSB
Table 3-9. CRT Signal Descriptions
Signal Description I/O PU/PD Comment
VGA_RED Red for monitor. Analog DAC output,
designed to drive a 37.5-Ohm equivalent load. O
Analog
PD 150R Analog output
VGA_GRN Green for monitor. Analog DAC output,
designed to drive a 37.5-Ohm equivalent load. O
Analog
PD 150R Analog output
Table 3-8. USB Signal Descriptions (Continued)