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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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FX3 датащи(PDF) 38 Page - Cypress Semiconductor |
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FX3 датащи(HTML) 38 Page - Cypress Semiconductor |
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38 / 45 page  CYUSB301X Document Number: 001-52136 Rev. *N Page 38 of 45 Reset Sequence FX3’s hard reset sequence requirements are specified in this section. Figure 19. Reset Sequence Table 16. Reset and Standby Timing Parameters Parameter Definition Conditions Min (ms) Max (ms) tRPW Minimum RESET# pulse width Clock Input 1 – Crystal Input 1 – tRH Minimum high on RESET# – 5 – tRR Reset recovery time (after which Boot loader begins firmware download) Clock Input 1 – Crystal Input 5 tSBY Time to enter standby/suspend (from the time MAIN_CLOCK_EN/ MAIN_POWER_EN bit is set) –– 1 tWU Time to wakeup from standby Clock Input 1 – Crystal Input 5 – tWH Minimum time before Standby/Suspend source may be reasserted –5 – VDD (core ) xVDDQ XTALIN/ CLKIN RESET # Mandatory Reset Pulse Hard Reset tRPW tRh Standby/ Suspend Source Standby/Suspend source Is asserted (MAIN_POWER_EN/ MAIN_CLK_EN bit is set) Standby/Suspend source Is deasserted tSBY tWU XTALIN/ CLKIN must be stable before exiting Standby/Suspend tRR tWH |
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