In learning how to use ABEL and the Lattice CPLD you might find it useful to go to these pages:

1. Dr. Andreas Birk's Digital Systems Lab Page.
2. Lattice Semiconductor Corporation
3. Introduction to ABEL (from UPenn)
4. http://databook.stts.edu/atmel/Atmel/prod180.htm
5. iSP Design Expert User Manual
6. http://www.ee.byu.edu/ee/class/ee220/abel/
7. http://www.ddpp.com/DDPP3_mkt/