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Fix polarity problem.

This commit is contained in:
Matt Guthaus 2019-01-23 13:08:43 -08:00
parent d64d262d78
commit 8a85d3141a
1 changed files with 3 additions and 2 deletions
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5
compiler/modules/control_logic.py
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@ -87,7 +87,7 @@ class control_logic(design.design):
# Special gates: inverters for buffering # Special gates: inverters for buffering
# clk_buf drives a flop for every address and control bit # clk_buf drives a flop for every address and control bit
clock_fanout = math.log(self.num_words,2) + math.log(self.words_per_row,2) + self.num_control_signals clock_fanout = math.log(self.num_words,2) + math.log(self.words_per_row,2) + self.num_control_signals
#clock_fanout = max(1,int(self.num_rows/4))
self.clkbuf = factory.create(module_type="pdriver", self.clkbuf = factory.create(module_type="pdriver",
fanout=clock_fanout, fanout=clock_fanout,
height=dff_height) height=dff_height)
@ -102,7 +102,7 @@ class control_logic(design.design):
# w_en drives every write driver # w_en drives every write driver
self.w_en_driver = factory.create(module_type="pdriver", self.w_en_driver = factory.create(module_type="pdriver",
fanout=self.word_size, fanout=self.word_size+8,
height=dff_height) height=dff_height)
self.add_mod(self.w_en_driver) self.add_mod(self.w_en_driver)
@ -120,6 +120,7 @@ class control_logic(design.design):
# p_en_bar drives every column in the bicell array # p_en_bar drives every column in the bicell array
self.p_en_bar_driver = factory.create(module_type="pdriver", self.p_en_bar_driver = factory.create(module_type="pdriver",
neg_polarity=True,
fanout=self.num_cols, fanout=self.num_cols,
height=dff_height) height=dff_height)
self.add_mod(self.p_en_bar_driver) self.add_mod(self.p_en_bar_driver)