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map的时候总是报错 ：ERROR : Place : 1155 - A clock IOB/MMCM clock component pair have been found MMCM site pair. The clock IOB component <xx>is placed at site <M22>. the corresponding MMCM component <XXX> is placed at site <MMCM_ADV_X0Y7>.The clock IO can use the fast path between the IOB and the clock manager if
( N6 `" s7 l `7 Na) the IOB is placed on a local clock capable IOB site in the same horizontal clock region pair as the MMCM site (fastest dedicated path),% k1 Y, W, e) S; u; U# `" Y
or b) the IOB is placed on a global clock capable IOB site which has a dedicated fast path to all MMCM sites.' x3 c8 j! K. ?4 @+ T
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ISE建议用 CLOCK_DEDICATED_ROUT = FALSE 来使error变为warning。- Y0 N, Q# ?0 B+ b! p% J. O/ a
1 F* Z3 O8 f4 s. t. S请问，是否还有别的方法？
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. C, W2 M0 T' j& Q2 S5 t% X9 o有的情况即时使用CLOCK_DEDICATED_ROUT = FALSE，还会出现：1 ?! _0 Z" b7 }( s$ s& g
physDesignRules:2053 - unsupported MMCM_ADV configuration. The signal xx on the CLKIN1 pin of MMCM_ADV comp xxx with COMPENSATION mode ZHOLD must be driven by a clock capable IOB.
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请教，这个如何解决？
! n4 c. e3 v3 {0 S: P0 y因为pcb已经做好，pin的位置都固定了，没法把时钟信号重新连dao clock capable IOB的pin上了。% W7 b$ M3 o2 C! k
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发表于 2013-7-4 20:51
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