© Copyright 2009 WIZnet Co., Inc. All rights reserved. Ver. 0.9.
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3.11
Network Status Indicate LEDs
Table 2.7 lists the descriptions for Indicate LEDs that tell the network status.
LED Name
W7100 Pin Name
DIR.
Description
10/100
SPDLED
O
Network speed indicate LED
Low : 100Mbps , High : 10Mbps
FDX
FDXLED
O
Full / Half duplex indicate LED
Low : Full duplex , High : Half duplex
COL
COLLED
O
Collision detect LED
Low : Collisions occurred (only in half duplex mode)
RX
RXLED
O
Active Low. Receive activity LED
TX
TXLED
O
Active Low. Transmit activity LED
LINK
LINKLED
O
Active Low. Network link status indicate LED
ACT
ACTLED
O
Active Low. Rx or Tx activity LED
PLOCK
PLOCK
O
Active High. It notifies when internal PLL is locked.
Table 3.4 Description of Status indicate LED
3.12
Character LCD Connector (JP1)
Character LCD Connector (JP1) is for Debugging and showing the system status.
Pin descriptions of Character LCD Interface are as followed.
PIN#
iMCU7100EVB Board PIN NAME
/ Character LCD PIN NAME
DIR.
Description
1
GND / VSS
Signal Ground
2
5V / VDD
I
LCD Power Supply
3
V0 / V0
I
Voltage for LCD drive
4
P0_0 / RS
I
Data / Instruction register select
5
P0_1 / RW
I
Read / Write
6
P0_2 / E
I
Enable signal,start data read / write
7 ~ 14
P2_0 ~ P2_7 / DB0 ~ DB7
I/O Data Bus Line
15
Not Connect / LED A
O
LED Anode, power
16
Not Connect / LED K
O
LED Cathode, ground 0V
Table 3.5 Character LCD Interface Pin Description
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Please refer to LCD Datasheet (LC1624-R2.pdf) for more details on driving Character LCD.
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