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You have module Clock_Generator.v 2 {8 u4 [8 v4 p7 I' f7 y8 T
with port input [31:0] key_value
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1 l, l$ R. c4 \9 _. pkey_scan_jitter key_scan_jitter_inst
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.clk(clk),. S& G/ O7 i9 |! Q6 e% Q
.rst_n(rst_n),
# C7 b- r3 i' q% x! D; g4 x+ K .key_data(key_data),% u. W; V8 _' J' ]/ D1 Y: g
.key_flag(key_flag),
) L4 x+ b$ V* O: y: b: m .key_value(key_value)
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In module key_scan_jitter.v: [" M4 B- L3 w) z% t7 V
you have output[31:0] key_value
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So module have to source of key_value:/ ^7 o( l: W3 e
1. From input port (may be 32 pins of chip)! E$ q0 P) k% P0 {7 D! `
2. From internal instance key_scan_jitter
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! [$ b/ l9 P9 z/ JAltera can-t to do short circuit in your module.
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