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https://e2e.ti.com/support/interface-group/interface/f/interface-forum/836399/ds90ub949a-q1-what-is-the-difference-between-ds90ub949a-and-ds90ub949-non-a
你(们)好
DS90UB949A 和 DS90UB949非 A 有何区别？
PYTsai、您好！
949支持最大170MHz PCLK、而949A 支持最大210MHz PCLK。
此致、
Casey
