Datenblatt-Suchmaschine für elektronische Bauteile |
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CS7808 Datenblatt(PDF) 7 Page - Cirrus Logic |
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CS7808 Datenblatt(HTML) 7 Page - Cirrus Logic |
7 / 52 page 7 CS7808 1.2 DC CHARACTERISTICS (TA= 25°C; VDD_PLL=VDD_CORE=2.5V±10%, VDD_IO=3.3V±10%) 1.2.1 Host Interface CS7808 can interface with a ATAPI-type slave loader gluelessly. Figure 1 illustrates a read ATAPI trans- action and a write ATAPI transaction. PIO mode 4 is implemented to enable a sufficient data transfer rate between ATAPI device and CS7808. Symbol Description Min Typ Max Unit tacyc Cycle Time1 1.Values are guaranteed by design only. 98 ns taavr Address Valid to HMRD-/HMWR- Setup 10 ns tah Address Hold from HMRD-/HMWR- Setup 10 ns tarww H_RD-/H_WR- Pulse Width 72 ns tarec H_RD-/H_WR- Recovery Time 22 ns tawsu H_WR- Data Setup 20 ns tawh H_WR- Data Hold 10 ns tardsu H_RD- Data Setup 20 ns tarddh H_RD- Data hold 0 ns tarddh H_RD- Data High-Z 0 10 tarsu H_RDY Setup Time 12 ns tarh H_RDY Hold Time1 0ns Table 1. Host Interface Characteristics Figure 1. Host Timing Diagram H_A[2:0] , H_CS[3:0] H_D[15:0](WRITE) H_D[15:0](READ) H_RD/H_WR tacyc t aavr t arww t ah tarec tarsu tawh tawsu tardsu t arddh tardts t arh H_RDY(deasserted before tarsu) H_RDY(asserted before tarsu) |
Ähnliche Teilenummer - CS7808 |
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