Specifications

CORONA User Manual Rev A.11 www.diamondsystems.com Page 6
3. FUNCTIONAL OVERVIEW
3.1 Functional Block Diagram
The Corona SUMIT Communications module features both wireless and networking connectivity in the SUMIT-
ISM Type I form factor. The product contains a WiFi card connected via a mini-PCI socket, two 10/100Base-T
Ethernet ports, two USB 2.0 ports if supported by the host system, an SDVO to VGA converter, and both a
SUMIT-A connector and a PC104 (ISA) connector for expansion.
The wireless WiFi card is a mini-PCI IEEE 802.11 wireless LAN. Its average power is up to 200mW with peak
power up to 600mW.
The on-board dual 10/100Base-T Ethernet ports provide a high speed option for communication with remote
hosts.
The SDVO to VGA converter takes an externally provided SDVO input and converts it to an analog VGA output.
It is designed for use with Diamond’s Aurora single board computer.
Block Diagram
SUMIT A
Connector
PLX
PEX8112
Wireless
LAN
PCIe x1
+3.3V
USB LAN
Controller
Voltage
Regulator
Magnetics
PCI
SDVO to
VGA
coax
Analog Level
Shifters
SDVO
Connector
USB LAN
Controller
USB0
USB1
USB 2, 3
Analog
VGA
10/100
Ethernet
10/100
Ethernet
Magnetics