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Moteur de recherche de fiches techniques de composants électroniques |
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BK4819 Fiches technique(PDF) 9 Page - Beken Corporation |
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BK4819 Fiches technique(HTML) 9 Page - Beken Corporation |
9 / 22 page ![]() BK4819 Proprietary and Confidential Page 9 of 22 2.6 SPI Control Interface Characteristics Table 6. SPI Control Interface Characteristics Parameter Symbol Min. Typ. Max. SCK Frequency fSCK 0 MHz — 8 MHz SCK High Time tHIGH 25 ns — — SCK Low Time tLOW 25 ns — — SDATA Input, SCN to SCK↑ Setup tS 20 ns — — SDATA Input to SCK↑ Hold tHSDATA 10 ns — — SCN Input to SCK↓ Hold tHSCN 10 ns — — SCK↓ to SDATA Output Valid tCDV 2 ns — 25 ns SCK↓ to next SCK↑ after Address In tNXT 1 us — — SCK, SCN, SDATA, Rise/Fall Time tR,tF — — 10 ns SCK SDATA SCN R/W A6-1 A0 D15 D14-1 D0 tS tR tF tS tHSDIO tHIGH tLOW tHSENB 3-wire Control Interface Write Timing Diagram Figure 6. 3-Wire Control Interface Write Timing Diagram SCK SDATA SCN R/W A6-1 A0 D15 D14-1 D0 tS tHSENB tCDV Bus Turnaround tNXT 3-wire Control Interface Read Timing Diagram Address In Data Out Figure 7. 3-Wire Control Interface Read Timing Diagram |
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