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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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DS0147 датащи(PDF) 121 Page - Microchip Technology |
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DS0147 датащи(HTML) 121 Page - Microchip Technology |
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121 / 128 page  Condition Unit Max Typ Min Symbol Parameter ns 4.0 sp8s SDI setup time ns 2.0 sp9s SDI hold time Notes: 1. Parameters are referenced to the active edge of SCK, which depends on the configured SPI protocol (for example, Motorola SPI mode uses rising edge as active edge if SPO= 0). 2. SDI is clocked into SPI on active edge and clocked out on inactive edge. Therefore, SDO delay parameters are dependent on SCK frequency (nominally SCK_period/2). 3. For specific rise/fall times, board design considerations, and detailed output buffer resistances, use the corresponding IBIS models located online at Microsemi SoC Products Group. Figure 10 • SPI Timing for a Single Frame Transfer in Motorola Mode (SPH = 1) 6.11.3 SmartDebug Probe Switching Characteristics The following table describes characteristics of SmartDebug probe switching. Table 154 • SmartDebug Probe Performance Characteristics Unit VDD = 1.05 V – 1 VDD = 1.05 V ST- D VDD = 1.0 V – 1 VDD = 1.0 V STD Symbol Parameter MHz 100 100 100 100 FMAX Maximum fre- quency of probe signal ns TMin_delay Minimum delay of probe signal ns TMax_delay Maximum delay of probe signal 6.11.4 DEVRST_N Switching Characteristics The following table describes characteristics of DEVRST_N switching. 117 Microsemi Proprietary and Confidential. DS0147 Revision 1.0 AC Switching Characteristics |
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