: n5 j3 ~. D! z: W% l但是又出現另一個問題, 我在上述程式燒錄在spartan3 XC3S400上 用示波器看 結果都沒問題9 X! I0 j8 `# g" B4 r6 G# n5 J
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不過當我將程式環境改在spartan3 XC3S200上 可以合成也可以實作 但是做 post simulation 就又出現上述訊息了 還有我沒有下timing ' p4 _2 j( B$ L1 X! V# A* R. U/ B# v3 y2 n# u
constraint 我的ucf如下 4 `- K+ r' f+ F: P( R8 |7 y , A+ t( G+ I8 P3 D
#PACE: Start of Constraints generated by PACE& Q- ?3 H/ R) N7 H! T
8 a7 Y% |) U; g. d" S# E1 K- s
#PACE: Start of PACE I/O Pin Assignments$ X4 g5 U% H3 U1 ?" M
NET "CLK" LOC = "P155" ; . |1 v9 ]! F) b4 `' f8 ZNET "CLK_N" LOC = "P149" ; u0 ]6 p' M. M0 t [7 p+ z
NET "CLK_P" LOC = "P147" ; 3 g6 K' A8 G* G9 h% |& ^6 F5 w5 mNET "RESET_B" LOC = "P152" ;! K$ S, n- K0 j, T3 ]
NET "RST" LOC = "P144" ; # E1 _9 }2 A" Z# p7 ^NET "STV" LOC = "P141" ; " _" C& L6 p# p / L7 k4 \7 G8 s- a6 h3 F# @' u#PACE: Start of PACE Area Constraints9 `: ~ _% A, L# }7 j1 _1 @
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#PACE: Start of PACE Prohibit Constraints# s s* v2 ~$ Q: K Z; R
5 @1 g; p" @- x t- `( C% t#PACE: End of Constraints generated by PACE : o0 ^$ B0 I. y5 M% K, R5 k d4 i3 ]+ w/ Q
順便請問一下版大 您說的pin assign到同一區是什麼意思 因為我必須將接腳都assign到rsds接腳那邊 不知道這有影響嗎?$ d4 T; h y: z, E' a8 t
' n9 S6 t' F8 j4 ]6 e謝謝 9 |2 J; S: J' |+ \, j% V' G / b' H% M' `- R* c5 o% D[ 本帖最後由 handwin 於 2007-5-25 10:52 AM 編輯 ]作者: handwin 時間: 2007-5-25 11:32 AM
不好意思 忘了po xc3s200上 我assign的腳位了3 `. E- T) `, Q1 a
% i2 H$ l! y+ h, ?5 Y* A9 s#PACE: Start of Constraints generated by PACE* C; L9 Z0 u! z) K
, A6 X# A1 u7 D0 \( ?1 ~#PACE: Start of PACE I/O Pin Assignments / I8 G0 X2 a8 X3 j3 V! C& wNET "CLK" LOC = "P105" ; 0 G; m* I6 J- |( Y) CNET "CLK_N" LOC = "P97" ; & R8 k( g5 X0 b! R, C& N, N5 ^NET "CLK_P" LOC = "P96" ;) O2 `& w5 l8 a9 f. E# {. `) w
NET "RESET_B" LOC = "P104" ;% T" }" E* X. |
NET "RST" LOC = "P100" ; ?! O4 G% q2 ?9 ~
NET "STV" LOC = "P99" ; * \/ c/ U4 N1 J1 W0 { 4 Y' s$ J l: T" M- A5 _: v#PACE: Start of PACE Area Constraints; S5 ^# I8 T' V+ N4 w% ]( _
* o$ p/ o3 |, b( ~$ m+ X: l#PACE: Start of PACE Prohibit Constraints, e% x1 V2 G/ G R# t/ _# \+ o) p
* e) A) e: p' A0 K/ j#PACE: End of Constraints generated by PACE作者: handwin 時間: 2007-5-25 11:37 AM
不好意思 忘了po xc3s200上 我assign的腳位了 % I1 J' _2 a( s G I* B* ]% J: ^" S8 T2 a4 M
#PACE: Start of Constraints generated by PACE( B1 M8 U# t, u. z& \
M' ]' S" h Y4 t: M
#PACE: Start of PACE I/O Pin Assignments 5 u/ q: j' T! K: ]NET "CLK" LOC = "P105" ; E' F( W* O# m( ]4 [$ l0 p& D
NET "CLK_N" LOC = "P97" ; . `/ x. `8 G5 v k c0 v. Q+ xNET "CLK_P" LOC = "P96" ;& A% c3 T2 |5 h4 K8 L
NET "RESET_B" LOC = "P104" ;& q- j5 l2 d: l' r7 v/ D9 `4 O5 {
NET "RST" LOC = "P100" ; 8 Z4 D0 \+ r3 y6 L9 Z/ qNET "STV" LOC = "P99" ; * w1 C3 w1 S8 \! p0 q q6 S0 k6 G" Y* Q% U) \" U3 {8 k) h
#PACE: Start of PACE Area Constraints 0 G/ X# f/ _7 W ; w2 [3 c) b0 e3 J6 Q#PACE: Start of PACE Prohibit Constraints & Y5 ?8 H7 ?; `# F2 g1 d& L+ Y. s$ g& S
#PACE: End of Constraints generated by PACE