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SMSC USB2242i manual

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  • Page 1

    SMSC USB2242/USB2242i DA T ASHEET Revision 1.0 (05-27-08) Datasheet PRODUCT FEA TURES USB2242/USB2242 I Ultra Fast USB 2.0 Memory S t ick Flash Media Controller General Descripti on The SMSC USB2242/USB2242i is a USB 2.0 compliant, high speed Bulk Only Mass Storage Class Peripheral Controller inten ded for reading and writing to Memory S tick Flash[...]

  • Page 2

    ORDER NUMBER: USB2242/USB2242i-AEZG-XX for 36 pin, QFN Lead- Free RoHS Compliant Package “XX” in the order number indicat es the internal ROM firmwa re revision 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 Memory Stick Flash Media Controller Datasheet SMSC USB2242/USB2242i 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 Memory S tick Flash Media Controller Datasheet Revision 1.0 (05-27-08) 4 SMSC USB2242/USB2242i DA T ASHEET List of Figures Figure 2.1 USB2242/USB2 242i Block D iagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 Figure 4.1 USB2242/USB2 242i 36 Pin QF N Diagra m . . . . . . . . . . . . [...]

  • Page 5

    Ultra Fast USB 2.0 Memory Stick Flash Media Controller Datasheet SMSC USB2242/USB2242i 5 Revision 1.0 (05-27-08) DA T ASHEET List of T ables Table 3.1 USB2242/2242i 36-Pin QFN Package. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 Table 5.2 USB2242/2242i 36-Pin QFN Pin Descriptions. . . . . . . . . . . . . [...]

  • Page 6

    Ultra Fast USB 2.0 Memory S tick Flash Media Controller Datasheet Revision 1.0 (05-27-08) 6 SMSC USB2242/USB2242i DA T ASHEET Chapter 1 Acronyms MS: Memory S t ick MSC: Memory S tick Controller PLL: Phase-Locked Loop QFN: Quad Flat no Le ads RoHS: Restriction of Ha zardous Substances Directive SIE: Seri al Interface Engine *Note: In ord er to devel[...]

  • Page 7

    Ultra Fast USB 2.0 Memory Stick Flash Media Controller Datasheet SMSC USB2242/USB2242i 7 Revision 1.0 (05-27-08) DA T ASHEET Chapter 2 Block Diagram Figure 2.1 USB2242/USB2242i Block Diagram SIE CTL FMDU CTL 8051 PROCESSOR SFR RAM RAM USB Host AUTO_ CBW PROC PHY FMI XDATA BRIDGE + BUS ARBITER BUS INTFC BUS INTFC BUS INTFC EP0 TX EP0 RX EP2 TX EP2 R[...]

  • Page 8

    Ultra Fast USB 2.0 Memory S tick Flash Media Controller Datasheet Revision 1.0 (05-27-08) 8 SMSC USB2242/USB2242i DA T ASHEET Chapter 3 Pin T able 3.1 36-Pin Package T able 3.1 USB2242/2242 i 36-Pin QFN Pack age MS INTERF ACE (1 1 PINS) MS_D0 MS_D1 MS_D2 MS_D3 MS_D4 MS_D5 MS_D6 MS_D7 MS_BS MS_SCLK GPIO12 (MS_INS) USB INTERF ACE (7 PINS) USB+ USB- R[...]

  • Page 9

    Ultra Fast USB 2.0 Memory Stick Flash Media Controller Datasheet SMSC USB2242/USB2242i 9 Revision 1.0 (05-27-08) DA T ASHEET Chapter 4 Pin Configuration Figure 4.1 USB2242/USB2242i 36 Pin QFN Diagra m Therm al Slug (must be connec ted to VSS ) SMSC USB2242/2242i (Top View QFN-36) Indicates pins on th e bottom of th e device. 26 MS_D3 25 GPIO15 24 N[...]

  • Page 10

    Ultra Fast USB 2.0 Memory S tick Flash Media Controller Datasheet Revision 1.0 (05-27-08) 10 SMSC USB2242/USB2242i 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 [...]

  • Page 11

    Ultra Fast USB 2.0 Memory Stick Flash Media Controller Datasheet SMSC USB2242/USB2242i 1 1 Revision 1.0 (05-27-08) DA T ASHEET USB T ran sceiver Bias RBIAS 35 I-R A 12.0k , 1.0% re sistor is attached from VSSA to this pin in order to set the transceiver's internal bias currents. 24MHz Crystal or external cloc k input XT AL1 (CLKIN) 33 ICLKx Th[...]

  • Page 12

    Ultra Fast USB 2.0 Memory S tick Flash Media Controller Datasheet Revision 1.0 (05-27-08) 12 SMSC USB2242/USB2242i DA T ASHEET General Purpose I/O GPIO7 / TXD / SCK / MS_SKT_SEL 31 I/O12 GPIO: This pin may be used either as input, edge sensitive inte rrupt input, or output. O12 TXD: In addition, as an outp ut, th e GPIO7 can be used as an output TX[...]

  • Page 13

    Ultra Fast USB 2.0 Memory Stick Flash Media Controller Datasheet SMSC USB2242/USB2242i 13 Revision 1.0 (05-27-08) DA T ASHEET 5.2 Buffer T ype Descriptions T able 5.3 USB2242/USB2242i Buffer T ype Descriptions BUFFER DESCRIPTION I Input. IPU Input with internal weak p ull-up resistor . IS Input with Schmitt trigger . I/O12 Input/Output buffer with [...]

  • Page 14

    Ultra Fast USB 2.0 Memory S tick Flash Media Controller Datasheet Revision 1.0 (05-27-08) 14 SMSC USB2242/USB2242i 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 able Voltage Signal ( v) Time (t) RESET RESET Hardware Initialization Firmw are Operational V DD33 V SS LEGE ND yes[...]

  • Page 15

    Ultra Fast USB 2.0 Memory Stick Flash Media Controller Datasheet SMSC USB2242/USB2242i 15 Revision 1.0 (05-27-08) DA T ASHEET 6.1 36-Pin Reset S t ates T able 6.1 USB2242/USB2242i Pin Reset St ates RESET ST ATE Post-Reset St ate MS Mode PIN PIN NAME FUNCTION OUT- PUT PU/ PD IN- PUT FUNCTION OUT- PUT PU/ PD IN- PUT 8 MS_D7 none z -- -- MS_D7 hw pd y[...]

  • Page 16

    Ultra Fast USB 2.0 Memory S tick Flash Media Controller Datasheet Revision 1.0 (05-27-08) 16 SMSC USB2242/USB2242i DA T ASHEET Chapter 7 DC Parameters 7.1 Maximum Guaranteed Ratings Note 7.1 S tresses above the spe cified parameters may cause permanent dama ge to the device. This is a stress rating only and functional ope ration of the device at an[...]

  • Page 17

    Ultra Fast USB 2.0 Memory Stick Flash Media Controller Datasheet SMSC USB2242/USB2242i 17 Revision 1.0 (05-27-08) 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% must be used if the output of the internal power FET’s must support a 5% tolerance. PARAMETER[...]

  • Page 18

    Ultra Fast USB 2.0 Memory S tick Flash Media Controller Datasheet Revision 1.0 (05-27-08) 18 SMSC USB2242/USB2242i 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[...]

  • Page 19

    Ultra Fast USB 2.0 Memory Stick Flash Media Controller Datasheet SMSC USB2242/USB2242i 19 Revision 1.0 (05-27-08) DA T ASHEET Note 7.4 Output leakage is measured with th e current pins in high i mpedance. Note 7.5 See The USB 2.0 S pecification , Chapter 7, for U SB DC electrical cha racteristics Note 7.6 RBIAS is a 3.3V tolerant analog pin. Note 7[...]

  • Page 20

    Ultra Fast USB 2.0 Memory S tick Flash Media Controller Datasheet Revision 1.0 (05-27-08) 20 SMSC USB2242/USB2242i DA T ASHEET the settings listed in T able 10.1, “USB2242/USB2242i GP IO Usage (ROM Rev 0x00),” on page 23 . Note 7.9 The 3.3V supply should be at least at 75% of it s operating condition befo re the 1.8V sup ply is allowed to ramp [...]

  • Page 21

    Ultra Fast USB 2.0 Memory Stick Flash Media Controller Datasheet SMSC USB2242/USB2242i 21 Revision 1.0 (05-27-08) 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 [...]

  • Page 22

    Ultra Fast USB 2.0 Memory Stick Flash Media Controller Datasheet Revision 1.0 (05-27-08) 22 SMSC USB2242/USB2242i DA T ASHEET Chapter 9 Package Outline Figure 9.1 USB2242/US B2242i 36-QFN, 6x6mm Body , 0.5mm Pitch[...]

  • Page 23

    Ultra Fast USB 2.0 Memory Stick Flash Media Controller Datasheet SMSC USB2242/USB2242i 23 Revision 1.0 (05-27-08) DA T ASHEET Chapter 10 GPIO Usage T able 10.1 USB2242/USB2242i GPIO Usage (ROM Rev 0x00) NAME ACTIVE LEVEL SYMBOL DESCRIPTION AND NOTE GPIO1 H LED1 LED indicator GPIO2 H RXD / SDA Receive Po rt of Debugger / Serial EEPROM Data GPIO4 USE[...]