|
You have module Clock_Generator.v
2 G5 \; z/ N5 g$ M8 ^+ c `' Pwith port input [31:0] key_value
1 Z- R( v" E# Y7 S+ H5 U+ H1 K; _and you set a instance of 1 l2 f2 B+ n5 K/ O5 q* }- G# ?
key_scan_jitter key_scan_jitter_inst; P5 G1 A1 e I% T
(& ]5 M' |) Z6 X2 n
.clk(clk),7 S9 |+ ] L4 T
.rst_n(rst_n),
+ t! d$ N( ]- N% d$ C( J1 ? .key_data(key_data),; ~$ x( S2 h4 _) Y
.key_flag(key_flag),% D" X, ] ?4 c5 f5 ^% X
.key_value(key_value)
, f. G( X, y$ o1 J0 t4 D! B$ N );8 {0 |8 S! n2 c2 h
In module key_scan_jitter.v
+ c5 g( i7 ?: |( C c) z; I9 H" \" g( _you have output[31:0] key_value! p( f( A! _, x) J) F
& k' O& L- u8 d, j
So module have to source of key_value:9 D' Y j2 H) ^8 f& U; o
1. From input port (may be 32 pins of chip)7 v' `0 D- U( j# k
2. From internal instance key_scan_jitter
5 r3 B; M" w2 X" {# x1 ]
: C" V" _% z" {9 Z& ^7 `7 eAltera can-t to do short circuit in your module.
! C. C* i! {! @/ w( \+ q |
|