联盛USBest UT310 SD卡单合一读卡器电路原理图

5 5 4 4 3 3 2 2 1 1 D D C C B B A A Cover Page Sheet 2 1 Title CommentsDateRev. 2007/02/01V1.6 4Bit SD USBest Standard USBest UT310-S2 4Bit SD Standard Schematic UT310 1.Add EEprom Setting Table for A1B & A1C2007/05/20V1.7V1.8 2.Add some by-pass caps for EMI 1.8 1 2Sunday, May 20, 2007 UT310-S2 4Bit SD Standard USBest Technology Inc. Cover Page Title Size Document Number Rev Date: Sheet of upload... www.mydigit.net 5 5 4 4 3 3 2 2 1 1 D D C C B B A A Acess LED 3 SOT-23 1 2 L4 closely to U1(UT310) 1 1 1 LUN:(SD1 or MS) 1 P12=EE_SDA=S0 P13=EE_SCL=S1 UT314-S2 S2 0: directly tied to GND; 1: Open (No connection); 2: Charged going "Hi" with a capacitor UT310-Q3 LUNs:SD1/SD2 UT310-S2 Part No. UT310-L61307 0310 1 VID PID S1 Two LUNs Card Reader P17=S2(always=1) UT310-L4 0 UT310-L6Three LUNs Card Reader EEPROM Setting LUNs:SD1/SD2/MS 1 One LUN Card Reader S0 2 Applied Function 1 Reserved for EMI 1.8 2 2Sunday, May 20, 2007 UT310-S2 4Bit SD Standard USBest Technology Inc. UT310-S2 Title Size Document Number Rev Date: Sheet of LED_EN XTALO XTALI SD1_D2 LED_EN DM DP VDD18 SD1_D0 SD1_CD SD1_D1 DGND SD1_WP XTALI RST EE_SDA XTALO EE_SCL DGND D3.3V DGND VBUS SD1_D2 SD1_D3 DGND SD1_CMD SD1_D0 SD1CLK SD1_CD SD1_WP SD1_D1 DGND SD1_PWR SD1CLKSD1_CLK RST SD1_PWR DGND DP VBUS5V DM REG33Vout REG18V D3.3V D3.3V SD1_D3 SD1_CMD SD1_CLK EE_SCL EE_SDA D3.3V DGND VBUS DGND REG33Vout DGND DGND VBUS REG33Vout DGND DGND SD1-VCC DGND DGND SD1-VCC DGND D3.3V DGND D3.3V DGND REG18V VDD18 REG33Vout DGND DGNDDGND DGND VBUS DGND D3.3V DGND L1 BEAD/PB221 UT310-S2 SSOP-Pins28 U1 UT310-S2 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28SD_CLK SD_CMD SD_D3 REG5Vin REG33Vout SD_D2 VSS LED_E REG18V REG33V AVDD33 DP DM AVSS XTALO XTALI EE_SCL EE_SDA RST TC0 SD_WP SD_CD SD_D0 SD_D1 VDD33 PWR_SW VSS18 VDD18 L4 BEAD/SB221 LED1 LED-G CN1 PROCONN SDC009-08-A1 9 1 2 3 4 5 6 7 8 10 11 1 2 1 3 14 1 5 DAT2 DAT3 CMD VSS VDD CLK VSS DAT0 DAT1 CD WP G G G G C15 0.1uF C18 5pF C12 4.7uF R1 30K U3 12MHz 1 2 X I N X O U T C10 4.7uF R3 470 U4 X24C02/SOIC 1 2 3 6 7 5 8 4 A0 A1 A2 SCL WC SDA VCC GND C6 0.1uF C1 1uF S O T - 2 3 T o p V i e w U2 AME8800 1 2 3 Gnd Out In L2 BEAD/PB221 C5 0.1uF C9 10nF C3 0.1uF R2 1M C7 0.1uF C2 4.7uF C13 22pF C16 0.1uF C4 0.1uF C8 0.1uF USB1 USB-A-Male 1 2 3 4 VCC D- D+ GND5 6 L3 BEAD/PB221 C11 10nF C17 1uF C14 22pF upload... www.mydigit.net