Em bin Technologies
ETM121
User Manual
4
http: / / www.em bin.com
CN2- 19 A1 Address Bus
CN2- 20 A0 Address Bus
CN2- 21 I NTR I NTERRUPT SI GNAL
CN2- 22 I OWB Write Signal
CN2- 23 I ORB Read Signal
CN2- 24 RSTDRV Reset Signal
CN2- 25 GRD Ground
CN2- 26 VCC Supply
J2
1- 2 Closed : - Non I nverted I nterrupt Signal
3- 4 Closed : - I nverted I nterrupt Signal ( default)
5 . CD/ Dow nloads - Cont ent s
a) Download sam ple C codes for Ethernet Drivers in 8- bit I nterrupt driven Mode
from the following location
http: / / www.em bin.com / downloads/ products/ m odules/ ETM121/ ETM121 sam ple
code.zip
b) Download ETS100 TCP/ I P stack with source code from the following path:
http: / / www.em bin.com / products/ ETS100.asp
6 . Run your Program s
The ETM121 Board is to be connected to the m icrocontroller board using the CN1,
CN2 Connector or to the ETM100 Board using the provided connector. Read sam ple C
code for Ethernet drivers & download the driver hex code to the m icrocontroller
board ( To download hex file check board docum entation) .
Minim um connectivity requirem ent to ETM1 2 1 Board
a) C 5V between CN2- 26 ( + ) , CN2- 25 ( - ) .
b) Connect the Data bus CN1- 2- 9.
c) Connect the Address bus CN2- 16- 20.
d) Connect the I ORB CN2- 23, I OWB CN2- 22, RSTDRV CN2- 24 Control signals.
