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ST92F124 Datasheet(PDF) 394 Page - STMicroelectronics |
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ST92F124 Datasheet(HTML) 394 Page - STMicroelectronics |
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394 / 429 page ![]() 394/429 ST92F124/F150/F250 - ELECTRICAL CHARACTERISTICS SCI-M TIMING TABLE (VDD = 5V ± 10%, TA = –40°C to +125°C, CLoad = 50pF, fINTCLK = 24MHz, unless otherwise specified) Legend: Tck = INTCLK period = Crystal Oscillator Clock period when CLOCK1 is not divided by 2; 2 x Crystal Oscillator Clock period when CLOCK1 is divided by 2; Crystal Oscillator Clock period x PLL factor when the PLL is enabled. Note 1: Values guaranteed by product characterization, not tested in production. SCI TIMING N ° Symbol Parameter Condition Value (1) Unit Min Max FRxCKIN Frequency of RxCKIN 1x mode fINTCLK / 8 MHz 16x mode fINTCLK / 4 MHz TwRxCKIN RxCKIN shortest pulse 1x mode 4 x Tck s 16x mode 2 x Tck s FTxCKIN Frequency of TxCKIN 1x mode fINTCLK / 8 MHz 16x mode fINTCLK / 4 MHz TwTxCKIN TxCKIN shortest pulse 1x mode 4 x Tck s 16x mode 2 x Tck s 1TsDS DS (Data Stable) before rising edge of RxCKIN 1x mode reception with RxCKIN Tck / 2 ns 2TdD1 TxCKIN to Data out delay Time 1x mode transmission with external clock CLoad < 50pF 2.5 x Tck ns 3TdD2 CLKOUT to Data out delay Time 1x mode transmission with CLKOUT 350 ns 1 |
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