Changes applied to this manual

Version Date Author description

1.3 30.6.1997 MFR Changed table 1 on page

MFR Changed table 5 on page

MFR TrigIn is sampled at the rising edge of Sclk

MFR Changed description of serial interface on page

MFR Changed description of MuxDisable

1.4 16.10.1997 MFR Noted two new bugs.

1.5 28.10.1997 MFR Changed pad description of Helix128-2.0 and included pad description of Helix128-2.1

1.6 25.2.1998 MFR Included pad description of Helix128-2.2

1.7 2.3.1998 MFR Removed bug in analog receiver circuit description

1.8 17.4.1998 WFB, ES Several bugs removed

1.9 12.5.1998 MFR Introduced change bars, corrected pad layout for Helix128-2.2/2.3 (tables 10, 15)

2.0 17.12.98 MFR Included Helix128-3.0 description and corrected Helix128-2.2 pad layout description

2.1 3.2.98 MFR Corrected bugs in pad layout description and test pulse circuit description. Added description of failsafe token scheme control bits and corrected several smaller bugs.