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SPC58EEX 数据表(PDF) 126 Page - STMicroelectronics |
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SPC58EEX 数据表(HTML) 126 Page - STMicroelectronics |
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126 / 154 page  Electrical characteristics SPC58EEx, SPC58NEx 126/154 DS11646 Rev 4 3.18.7 UART timing UART channel frequency support is shown in the following table. 3.18.8 I2C timing The I2C AC timing specifications are provided in the following tables. Note: In the following table, I2C input timing is valid for Automotive and TTL inputs levels, hysteresis enabled, and an input edge rate no slower than 1 ns (10% – 90%). Table 72. CAN timing Symbol C Parameter Condition Value Unit Min Typ Max tP(RX:TX) CC D CAN controller propagation delay time standard pads Medium type pads 25pF load — — 70 ns CC D Medium type pads 50pF load — — 80 CC D STRONG, VERY STRONG type pads 25pF load —— 60 CC D STRONG, VERY STRONG type pads 50pF load —— 65 tPLP(RX:TX) CC D CAN controller propagation delay time low power pads Medium type pads 25pF load — — 90 ns CC D Medium type pads 50pF load — — 100 CC D STRONG, VERY STRONG type pads 25pF load —— 80 CC D STRONG, VERY STRONG type pads 50pF load —— 85 Table 73. UART frequency support LINFlexD clock frequency LIN_CLK (MHz) Oversampling rate Voting scheme Max usable frequency (Mbaud) 80 16 3:1 majority voting 5 810 6 Limited voting on one sample with configurable sampling point 13.33 516 420 100 16 3:1 majority voting 6.25 8 12.5 6 Limited voting on one sample with configurable sampling point 16.67 520 425 |
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