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authorEddie Hung <eddie@fpgeh.com>2019-06-22 19:44:17 -0700
committerEddie Hung <eddie@fpgeh.com>2019-06-22 19:44:17 -0700
commitd54dceb547777ab4b489f66554d4c47e867424f9 (patch)
tree8e60c03e2a40891b7a078717b8a3c931feb5ae83 /techlibs/ecp5/abc_5g.box
parentbbf3ad90f59a5b548d263c81ca83ca8f93f1c238 (diff)
parent6027549464bf91cee4d4bcbe9586e719dce78c80 (diff)
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Merge remote-tracking branch 'origin/xaig' into xc7mux
Diffstat (limited to 'techlibs/ecp5/abc_5g.box')
-rw-r--r--techlibs/ecp5/abc_5g.box6
1 files changed, 6 insertions, 0 deletions
diff --git a/techlibs/ecp5/abc_5g.box b/techlibs/ecp5/abc_5g.box
index 72af6d9cb..15e26b5d5 100644
--- a/techlibs/ecp5/abc_5g.box
+++ b/techlibs/ecp5/abc_5g.box
@@ -1,5 +1,11 @@
+# NB: Inputs/Outputs must be ordered alphabetically
+# (with exceptions for carry in/out)
+
# Box 1 : CCU2C (2xCARRY + 2xLUT4)
# Outputs: S0, S1, COUT
+# (NB: carry chain input/output must be last
+# input/output and have been moved there
+# overriding the alphabetical ordering)
# name ID w/b ins outs
CCU2C 1 1 9 3