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CF4320HGKFR Datasheet(PDF) 3 Page - Texas Instruments |
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CF4320HGKFR Datasheet(HTML) 3 Page - Texas Instruments |
3 / 27 page www.ti.com Data Bits Address Bits CF4320H CompactFlash™ BUS-INTERFACE CHIP WITH ±15-kV ESD PROTECTION, TRANSLATION, AND CARD-DETECT CIRCUITRY SCES655 – APRIL 2006 The CF4320H has 16 data lines organized as two groups of 8 bits each. The ENL signal controls the lower 8 bits (D07–D00), while the ENH signal controls the upper 8 bits (D15–D08). LOWER 8-BIT DATA BUS TRANSCEIVERS(1) (D07–D00, SD07–SD00) INPUTS OPERATION MASTER_EN ENL DIR (S/CF) L L H SD data to D bus L L L D data to SD bus L H X Isolation. D07–D00 and SD07–SD00 inputs can float. H X X Isolation, low-power mode (1) X = H or L UPPER 8-BIT DATA BUS TRANSCEIVERS(1) (D15–D08, SD15–SD08) INPUTS OPERATION MASTER_EN ENH DIR (S/CF) L L H SD data to D bus L L L D data to SD bus L H X Isolation. D15–D08 and SD15–SD08 inputs can float. H X X Isolation, low-power mode (1) X = H or L The CF4320H has 11 unidirectional address bits flowing from the system to the CF card. ADDRESS BUS BUFFERS(1) INPUTS OUTPUT A MASTER_EN BUF_EN SA L L H H L L L L L H X Z, SA inputs can float. H X X Z, low-power mode (1) X = H or L 3 Submit Documentation Feedback |
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