Phytec phyCORE-PXA255, Hardware Manual

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Ethernet Interface

PHYTEC Meßtechnik GmbH 2004 L-657e_0
41
6 Ethernet Interface
The Ethernet interface of the phyCORE-PXA255 is supplemented on
the Development Board by the Ethernet transformer and the RJ45
connector.
U17 D0-D31
A2-A15
/CS_Ethernet
DATA
ADDRESS
CONTROL
PXA255
10/100Mbps
ETHERNET
U18
SPI_EEPROM
phyCORE-PXA255
External
IRQ_Ethernet
Figure 18: Ethernet Circuitry
The Ethernet interface is accessible on the RJ45 socket at X23. The
yellow LED extends to the /LAN_LED_A signal and the green LED
extends to /LAN_LED_B. The organization of the LED functions is
freely programmable in the LAN91C111 Ethernet chip and is
therefore operating system dependent.
Ethernet
2 * USB
Host
USB
Client
Power
Buchse
AC97
IN
MIC
OUT
Expansion Board
FF-UART BT-UART
Touchconnect
LCD
Touchpanel
RESET
Switch
CAN
Figure 19: Location of the Ethernet Socket