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MAX14502AEWN+ Datasheet(PDF) 11 Page - Maxim Integrated Products |
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MAX14502AEWN+ Datasheet(HTML) 11 Page - Maxim Integrated Products |
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11 / 41 page  Hi-Speed USB-to-SD Card Readers with Bypass ______________________________________________________________________________________ 11 Pin Description (continued) PIN TQFN WLP NAME FUNCTION — C5 HDAT2_2 SD Card 2 Data Bus Analog Switch. HDAT2_2 connects to DAT2 on the SD port of the host µP. — A4 HDAT2_3 SD Card 2 Data Bus Analog Switch. HDAT2_3 connects to DAT3 on the SD port of the host µP. — G4 HCMD2 SD Card 2 Command Analog Switch. HCMD2 connects to CMD on the SD port of the host µP. — G3 HCLK2 SD Card 2 Clock Analog Switch. HCLK2 connects to CLK on the SD port of the host µP. POWER SUPPLY 5A6 VIO I/O Logic-Level Translator Voltage. Bypass VIO to GND with a 0.1µF ceramic capacitor. VIO powers the logic inputs/outputs and I2C block. 23 F6 VTM USB Analog Switch and Transceiver Power Supply. Bypass VTM to GND with a 0.1µF ceramic capacitor. 38 B1, B2 CLDO Bypass Capacitor for Internal +1.8V LDO. Connect a 1µF ceramic capacitor (X7R, X5R, or better) from CLDO to GND. CLDO must not be used to power external circuitry. 39 B3, C3 VCC Digital Supply Voltage. Bypass VCC to GND with a 1µF ceramic capacitor (X7R, X5R, or better). 40 A1 VSD SD Card Voltage. Bypass VSD to GND with a 1µF ceramic capacitor (X7R, X5R, or better). 18, 24, 26, 37 C1, C2, E7, E8, G5, G6 GND Ground NO CONNECTION 35, 36 D4, E4 N.C. No Connection. Connect N.C. to GND. EXPOSED PAD — — EP Exposed Pad. Connect EP to GND. Do not use EP as the sole GND connection. |
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