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SMSC USB2244i manual

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Table of contents for the manual

  • Page 1

    SMSC USB2244/USB2244i DA T ASHEET Revision 1.0 (05-27-08) Datasheet PRODUCT FEA TURES USB2244/USB2244 I Ultra Fast USB 2.0 SD/MMC Flash Media Controller General Descripti on The SMSC USB2244/USB2244i is a USB 2.0 compliant, high speed Bulk Only Mass Storage Class Peripheral Controller inte nded for reading an d writing to SD/MMC Flash M e d i a C a[...]

  • Page 2

    ORDER NUMBER: USB2244/USB2244i-AEZG-XX for 36 pin, QFN Lead- Free RoHS Compliant Package “XX” in the order number indicat es the internal ROM firmware re vision level. Please cont act your SMSC sales represent ative for more information. 80 ARKA Y DRIVE, HAUPP AUGE, NY 1 1788 (631) 435 - 6 000, F AX (631) 273-3123 Copyright © 2008 SMSC or it s[...]

  • Page 3

    Ultra Fast USB 2.0 SD/MMC Flash Media Controller Datasheet SMSC USB2244/USB2244i 3 Revision 1.0 (05-27-08) DA T ASHEET T able of Content s Chapter 1 Acronyms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Chapter 2 Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . [...]

  • Page 4

    Ultra Fast USB 2.0 SD/MMC Flash Media Controller Datasheet Revision 1.0 (05-27-08) 4 SMSC USB2244/USB2244i DA T ASHEET List of Figures Figure 2.1 USB2244/USB2 244i Block Di agram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 Figure 4.1 USB2244/USB2 244i 36 Pin QF N Diagra m . . . . . . . . . . . . . . . .[...]

  • Page 5

    Ultra Fast USB 2.0 SD/MMC Flash Media Controller Datasheet SMSC USB2244/USB2244i 5 Revision 1.0 (05-27-08) DA T ASHEET List of T ables Table 3.1 USB2244/2244i 36-Pin QFN Package. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 Table 5.2 USB2244/2244i 36-Pin QFN Pin Descriptions. . . . . . . . . . . . . . . . [...]

  • Page 6

    Ultra Fast USB 2.0 SD/MMC Flash Media Controller Datasheet Revision 1.0 (05-27-08) 6 SMSC USB2244/USB2244i DA T ASHEET Chapter 1 Acronyms MMC: MultiMediaCard PLL: Phase-Locked Loop QFN: Quad Flat no Le ads RoHS: Restriction of Ha zardous Substances Directive SD: Secure Digital SDIO: Secure Digit al Input/Output SDC: Secure Digital Controllerl SIE: [...]

  • Page 7

    Ultra Fast USB 2.0 SD/MMC Flash Media Controller Datasheet SMSC USB2244/USB2244i 7 Revision 1.0 (05-27-08) DA T ASHEET Chapter 2 Block Diagram Figure 2.1 USB2244/USB2244i Block Diagram SIE CTL FMDU CTL 8051 PROCESSOR SFR RAM RAM USB Host AUTO_ CBW PROC PHY FMI XDATA BRIDGE + BUS ARBI TER BUS INTFC BUS INTFC BUS INTFC EP0 TX EP0 RX EP2 TX EP2 RX EP1[...]

  • Page 8

    Ultra Fast USB 2.0 SD/MMC Flash Media Controller Datasheet Revision 1.0 (05-27-08) 8 SMSC USB2244/USB2244i DA T ASHEET Chapter 3 Pin T able 3.1 36-Pin Package T able 3.1 USB2244/2244 i 36-Pin QFN Pack age SD/MMC INTERF ACE (12 Pins) SD_D0 SD_D1 SD_D2 SD_D3 SD_D4 SD_D5 SD_D6 SD_D7 SD_CLK SD_CMD SD_WP GPIO15 (SD_nCD) USB INTERF ACE (7 PINS) USB+ USB-[...]

  • Page 9

    Ultra Fast USB 2.0 SD/MMC Flash Media Controller Datasheet SMSC USB2244/USB2244i 9 Revision 1.0 (05-27-08) DA T ASHEET Chapter 4 Pin Configuration Figure 4.1 USB2244/USB2244i 36 Pin QFN Diagra m Thermal Slug (must be connected to VSS ) SMSC USB2244/2244i (Top View QFN-36) Indicates pins on the bot tom of the device. 26 SD_D3 25 GPIO15 (SD_nCD) 24 S[...]

  • Page 10

    Ultra Fast USB 2.0 SD/MMC Flash Media Controller Datasheet Revision 1.0 (05-27-08) 10 SMSC USB2244/USB2244i DA T ASHEET Chapter 5 Pin Descriptions This section provides a detailed description of each signal. The signals are arranged in functional groups according to their associated interface. The “n” symbol in the signal name indicates that th[...]

  • Page 11

    Ultra Fast USB 2.0 SD/MMC Flash Media Controller Datasheet SMSC USB2244/USB2244i 1 1 Revision 1.0 (05-27-08) DA T ASHEET 24MHz Crystal or external clock input XT AL1 (CLKIN) 33 ICLKx This pin can be connected to one termin al of the crystal or it can be connected to an externa l 24 clock when a crystal is not used. 24MHz Crystal XT AL2 32 OCLKx Thi[...]

  • Page 12

    Ultra Fast USB 2.0 SD/MMC Flash Media Controller Datasheet Revision 1.0 (05-27-08) 12 SMSC USB2244/USB2244i DA T ASHEET 5.2 Buffer T ype Descriptions TEST Input TEST 28 I This signal is us ed for testing the chip. User should normally tie this pin lo w externally if the test function is not used. No Connects NC No Connect. No trace or signal sho ul[...]

  • Page 13

    Ultra Fast USB 2.0 SD/MMC Flash Media Controller Datasheet SMSC USB2244/USB2244i 13 Revision 1.0 (05-27-08) DA T ASHEET Chapter 6 Pin Reset S t ate T able Figure 6.1 Pin Reset S tates Figure 6.2 Legend for Pi n Reset St a tes T abl e Voltage Signal ( v) Time (t) RESET RESET Hardware Initialization Firmw are Operational V DD33 V SS LEGE ND yes ha rd[...]

  • Page 14

    Ultra Fast USB 2.0 SD/MMC Flash Media Controller Datasheet Revision 1.0 (05-27-08) 14 SMSC USB2244/USB2244i DA T ASHEET 6.1 36-Pin Reset S t ates T able 6.1 USB2244/USB2244i Pin Reset St ates RESET STATE Post-Reset State SD Mode PIN PIN NAME FUNCTION OUT- PUT PU/ PD IN- PUT FUNCTION OUT- PUT PU/ PD IN- PUT 8 SD_D6 none z -- -- SD_D6 hw pu yes 7 SD_[...]

  • Page 15

    Ultra Fast USB 2.0 SD/MMC Flash Media Controller Datasheet SMSC USB2244/USB2244i 15 Revision 1.0 (05-27-08) DA T ASHEET Chapter 7 DC Parameters 7.1 Maximum Guaranteed Ratings Note 7.1 S tresses above the specified parameters may cause perman ent damage to the device. This is a stress rating only and functional operation of the device at any co ndit[...]

  • Page 16

    Ultra Fast USB 2.0 SD/MMC Flash Media Controller Datasheet Revision 1.0 (05-27-08) 16 SMSC USB2244/USB2244i DA T ASHEET Figure 7.1 Supply Rise T ime Model 7.2 Recommended Operating Conditions Note 7.3 A 3.3V regulator with an output tolerance of 1% mu st be used if the output of the internal power FET’s must support a 5% tolerance. PARAMETER SYMB[...]

  • Page 17

    Ultra Fast USB 2.0 SD/MMC Flash Media Controller Datasheet SMSC USB2244/USB2244i 17 Revision 1.0 (05-27-08) DA T ASHEET 7.3 DC Electrical Characteristics P ARAMETER SYMBOL MIN TYP MAX UNITS COMMENTS I, IPU, IPD T ype Input Buffer Low Input Leve l High Input Level Pull Down Pull Up V ILI V IHI PD PU 2.0 72 58 0.8 V V μ A μ A TTL Levels IS T ype In[...]

  • Page 18

    Ultra Fast USB 2.0 SD/MMC Flash Media Controller Datasheet Revision 1.0 (05-27-08) 18 SMSC USB2244/USB2244i DA T ASHEET Note 7.4 Output leakage is measured w ith the current pins in hi gh impedance. Note 7.5 See The USB 2.0 S pecification, Chapter 7 , for USB DC electri cal characteristi cs Note 7.6 RBIAS is a 3.3V tolerant analog pin. Note 7.7 Out[...]

  • Page 19

    Ultra Fast USB 2.0 SD/MMC Flash Media Controller Datasheet SMSC USB2244/USB2244i 19 Revision 1.0 (05-27-08) DA T ASHEET the settings listed in T able 10.1, “USB2244/USB2244i GP IO Usage (ROM Rev 0x00),” on page 22 . Note 7.9 The 3.3V supply should be at least at 75% of its operating condition before the 1.8V sup ply is allowed to ramp up. 7.4 C[...]

  • Page 20

    Ultra Fast USB 2.0 SD/MMC Flash Media Controller Datasheet Revision 1.0 (05-27-08) 20 SMSC USB2244/USB2244i DA T ASHEET Chapter 8 AC S pecifications 8.1 Oscillator/Clock Crystal: Parallel Resonant, Fundamental Mode, 24 MHz ± 100ppm. External Clock: 50% Duty cycl e ± 1 0 % , 2 4 M H z ± 10 0ppm, Jitter < 1 00ps rms. Figure 8.1 T ypica l Crysta[...]

  • Page 21

    Ultra Fast USB 2.0 SD/MMC Flash Media Controller Datasheet Revision 1.0 (05-27-08) 21 SMSC USB2244/USB2244i DA T ASHEET Chapter 9 Package Outline Figure 9.1 USB2244/US B2244i 36-QFN, 6x6mm Body , 0.5mm Pitch[...]

  • Page 22

    Ultra Fast USB 2.0 SD/MMC Flash Media Controller Datasheet Revision 1.0 (05-27-08) 22 SMSC USB2244/USB2244i DA T ASHEET Chapter 10 GPIO Usage T able 10.1 USB2244/USB2244i GPIO Usage (ROM Rev 0x00) NAME ACTIVE LEVEL SYMBOL DESCRIPTION AND NOTE GPIO1 H LED1 LED indicator GPIO2 H RXD / SDA Receive Port of Debugger / Serial EEPROM Data GPIO4 USER GPIO [...]