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SN74AVCA406GQCR Datasheet(PDF) 9 Page - Texas Instruments |
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SN74AVCA406GQCR Datasheet(HTML) 9 Page - Texas Instruments |
9 / 45 page www.ti.com SN74AVCA406 MMC, SD CARD, Memory Stick, SmartMedia, AND xD-Picture Card ±15-kV ESD-PROTECTED VOLTAGE-TRANSLATION TRANSCEIVER SCES615H – OCTOBER 2004 – REVISED JANUARY 2007 Table 4. SD/SDIO Card or MMC (continued) SIGNAL NAME PIN PIN PIN OR PIN FUNCTION NO. NAME TYPE (CONNECTION) A3 4DIR (tie-high) Direction control for 4A/4B. Not used in this mode. Tie to VCCA. Input Serial data out (master in slave out) connected to host. Connect 1DIR to GND to make 1A B3 1A DO.h I/O an output. C3 Depopulated ball D3 56DIR (tie-high) Direction control for 5A/5B and 6A/6B. Not used in this mode. Tie to VCCA. Input E3 GND GND Ground F3 12A DNU Output pin not used in this mode. Do not use. Leave unconnected. Output G3 11A (tie-low) Input pin not used in this mode. Tie to GND. Input A4 2DIR (tie-high) Direction control for 2A/2B. Tie to VCCA to make 2A an input and 2B an output. Input B4 1DIR (tie-low) Direction control for 1A/1B. Tie to GND to make 1B an input and 1A an output. Input C4 3DIR (tie-high) Direction control for 3A/3B. Not used in this mode. Tie to VCCA. Input D4 GND GND Ground E4 CS0 (tie-low) Card select signal. Not used in this mode. For proper operation, tie to GND. Input F4 13A (tie-low) Input pin not used in this mode. Tie to GND. Input G4 CS1 (tie-HIGH) Card select. Not used in this mode. For proper operation, tie to VCCA. Input A5 MODE1 (tie-low) Input MODE1, MODE0 determine mode of operation (see Table 1). Tie to GND in this mode. B5 MODE0 (tie-low) Input C5 GND GND Ground D5 4B DNU Card select connected to card. Connect 2DIR to VCCA to make 2B an output. I/O E5 GND GND Ground F5 7B DNU I/O pin not used in this mode. Leave unconnected. I/O G5 8B DNU I/O pin not used in this mode. Leave unconnected. I/O A6 10B1 SCLK Serial clock signal connected to card Output B6 9B1 DI Serial data in (master out slave in) connected to card Output C6 2B CS I/O pin not used in this mode. Leave unconnected. I/O D6 11B DNU Output pin not used in this mode. Leave unconnected. Output E6 10B2 DNU Output pin not used in this mode. Leave unconnected. Output F6 5B DNU I/O pin not used in this mode. Leave unconnected. I/O G6 6B DNU I/O pin not used in this mode. Leave unconnected. I/O A7 VCCB0 VCCB0 B-port supply voltage. VCCB0 powers 1B, 2B, 3B, 4B, 9B1, and 10B1. Power Serial data out (master in slave out) connected to host. Connect 1DIR to GND to make 1B B7 1B DO I/O an input. C7 3B DNU I/O pin not used in this mode. Leave unconnected. I/O D7 12B (tie-low) Input pin not used in this mode. Tie to GND. Input E7 9B2 DNU I/O pin not used in this mode. Leave unconnected. I/O F7 14B DNU Open-drain output not used in this mode. Leave unconnected. Output B-port supply voltage. VCCB1 powers 5B, 6B, 7B, 8B, 9B2, 10B2, 11B, 12B, and 14B. Not G7 VCCB1 (tie-low) Power used in this mode. Tie to GND. 9 Submit Documentation Feedback |
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