SystemBase Eddy DK, Руководство программиста

Страница: 56 / 147

Eddy DK Programmer Guide
56
2.5.3 Switch Operation
ON
1
ON
Switch No 1 Operation descriotion
OFF
For Flash Programming
Store firmware image to Flash memory through USB Device.
(Only via Window Host). For more information, please refer to
chapter 9, system recovery.
ON Normal booting via Eddy-S4M v2.1 Data Flash
2.5.4 LED Operation
System Ready (RDY): Indicate normal state of system (Normal: blinking)
2.5.5 Ethernet
Since there is KSZ8041NL PHY in Eddy-S4M module, when integrating Ethernet, just connect RJ45 in
which transformer located
WARNING : When you use RJ45 which has transformer in its internal circuit, it is possible to each product
doesn’t have equal PIN spec. Therefore, you must confirm PIN number
Bellow is KSZ8041NL functions
•
Fully compliant to IEEE 802.3u Standard
•
Supports MDI/MDI-X auto crossover (Auto-MDI)
• MII interface support
•
RMII interface support with external 50MHz system clock
•
ESD rating (6kV)
•
Built-in 1.8V regulator for core
•
Available in 32-pin (5mm x 5mm) MLF
®
package