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SMSC USB3280 manual

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  • Page 1

    SMSC USB3280 DA T ASHEET Revision 1.5 (1 1-15-07) Datasheet PRODUCT FEA TURES USB3280 Hi-S peed USB Device PHY with UTMI Interface  Available in a 36-pin lead-free RoHS comp lian t (6 x 6 x 0.90mm) QFN p ackage  Interface compliant with th e UTMI specification (60MHz, 8-bit bidirectional i nterface)  Only one required power supp ly (+3.3V)[...]

  • Page 2

    ORDER NUMBER(S): USB3280-AEZG FOR 36-PIN, QFN LE AD-FREE ROHS C OMPLIANT PACKAGE USB3280-AEZG-TR FOR 36-PIN, QFN LEAD-FREE ROHS COMPLI ANT PACKAGE (TAPE AND REEL) Reel Size is 3000 pieces. Hi-S peed USB Device PHY with UTMI Interface Datasheet Revision 1.5 (1 1-15-07) 2 SMSC USB3280 DA T ASHEET 80 ARKA Y DRIVE, HAUPP AUG E, NY 1 1788 (631) 435-6000[...]

  • Page 3

    Hi-S peed USB Device PHY with UTMI Interface Datasheet SMSC USB3280 3 Revision 1.5 (1 1-15-07) DA T ASHEET T able of Content s Chapter 1 General Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 1.1 Product Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .[...]

  • Page 4

    Hi-S peed USB Device PHY with UTMI Interface Datasheet Revision 1.5 (1 1-15-07) 4 SMSC USB3280 DA T ASHEET List of Figures Figure 2.1 USB3280 Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 Figure 3.1 USB3280 Pinout - Top View . . . . . . . . . . . . . . . . . . . . . . . . .[...]

  • Page 5

    Hi-S peed USB Device PHY with UTMI Interface Datasheet SMSC USB3280 5 Revision 1.5 (1 1-15-07) DA T ASHEET List of T ables Table 4.1 System Interface Signals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 Table 4.2 Data Interface Signals . . . . . . . . . . . . . . . . . . . . . . . . .[...]

  • Page 6

    Hi-S peed USB Device PHY with UTMI Interface Datasheet Revision 1.5 (1 1-15-07) 6 SMSC USB3280 DA T ASHEET Chapter 1 General Description The USB3280 provides the Ph ysical Layer (PHY) interface to a USB 2.0 Device Controller . The IC is available in a 36-pin lead-free RoHS complia nt QFN package. 1.1 Product Description The USB3280 is an industrial[...]

  • Page 7

    Hi-S peed USB Device PHY with UTMI Interface Datasheet SMSC USB3280 7 Revision 1.5 (1 1-15-07) DA T ASHEET Chapter 2 Functional Block Diagram Figure 2.1 U SB3280 Block Diagram PWR Control FS SE+ R X UTMI Inter fac e TX State Machin e Parallel to Serial Conversion Bit Stuff NRZI Encode TX LOGIC Cloc k Reco very U nit Clo ck and Data Recovery Elas ti[...]

  • Page 8

    Hi-S peed USB Device PHY with UTMI Interface Datasheet Revision 1.5 (1 1-15-07) 8 SMSC USB3280 DA T ASHEET Chapter 3 Pinout The flag of the QFN package must be connected to ground. Figure 3.1 USB3280 Pin out - T op View Figure 3.2 USB3280 Pinout - Bottom View 1 2 3 4 5 6 7 8 9 TERMSELECT TXREA DY SUSPEND N TXVALID RESET VDD3.3 DP DM XCVRSE LECT USB[...]

  • Page 9

    Hi-S peed USB Device PHY with UTMI Interface Datasheet SMSC USB3280 9 Revision 1.5 (1 1-15-07) DA T ASHEET Chapter 4 Interface Signal Definition T able 4.1 System In terface Signals NAME DIRECTION ACTIVE LEVEL DESCRIPTION RESET (RST) Input High Reset. Reset all state machines. After coming out of reset, must wait 5 rising ed ges of clock before ass[...]

  • Page 10

    Hi-S peed USB Device PHY with UTMI Interface Datasheet Revision 1.5 (1 1-15-07) 10 SMSC USB3280 DA T ASHEET T able 4.2 Dat a In terface Sig nals NAME DIRECTION ACTIVE LEVEL DESCRIPTION DA T A[7:0] (D7) . . . (D0) Bidirectional High Data bus. 8-bit Bidirectional m ode. TXV ALID DA T A[ 7:0] 0 output 1 input TXV ALI D (TXV) Input High T ran smit V al[...]

  • Page 11

    Hi-S peed USB Device PHY with UTMI Interface Datasheet SMSC USB3280 1 1 Revision 1.5 (1 1-15-07) DA T ASHEET T abl e 4. 5 Po wer and Ground Signals NAME DIRECTION ACTIVE LEVEL DESCRIPTION VDD3.3 (V33) N/A N/A 3.3V S upply . Provides p ower for USB 2.0 Transceiver , UTMI+ Digital, Digital I/O, and Regulators. REG_EN (REN) Input High On-Chip 1.8V reg[...]

  • Page 12

    Hi-S peed USB Device PHY with UTMI Interface Datasheet Revision 1.5 (1 1-15-07) 12 SMSC USB3280 DA T ASHEET Chapter 5 Limiting V alues Note: In acco rdance with the Absolute Ma ximum Rating system (IEC 60134) T able 5.1 Absolute Maximum Ratings P ARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS Maximum DP and DM voltage to Ground V MAX_5V -0.3 5.5 V Ma[...]

  • Page 13

    Hi-S peed USB Device PHY with UTMI Interface Datasheet SMSC USB3280 13 Revision 1.5 (1 1-15-07) DA T ASHEET Chapter 6 Electrical Characteristics Note 6.1 V DD3.3 = 3.0 to 3.6V ; V SS = 0V ; T A = -40 o C to 85 o C; unless otherwise spe cified. Note 6.2 V DD3.3 = 3.0 to 3.6V ; V SS = 0V ; T A = -40 o C to 85 o C; unless otherwise spe cified. T able [...]

  • Page 14

    Hi-S peed USB Device PHY with UTMI Interface Datasheet Revision 1.5 (1 1-15-07) 14 SMSC USB3280 DA T ASHEET T able 6.3 DC Electrical Character is tics: Analog I/O Pins (DP/DM) ( Note 6.3 ) P ARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS FS FUNCTIONALITY Input levels Differential Receiver Input Sensitivity V DIFS | V(DP) - V(DM) | 0.2 V Differential [...]

  • Page 15

    Hi-S peed USB Device PHY with UTMI Interface Datasheet SMSC USB3280 15 Revision 1.5 (1 1-15-07) DA T ASHEET Note 6.3 V DD3.3 = 3.0 to 3.6V ; V SS = 0V ; T A = -40 o C to 85 o C; unless otherwise spe cified. Note 6.4 V DD3.3 = 3.0 to 3.6V ; V SS = 0V ; T A = -40 o C to 85 o C; unless otherwise spe cified. High S peed High Level Output V oltage (DP/D[...]

  • Page 16

    Hi-S peed USB Device PHY with UTMI Interface Datasheet Revision 1.5 (1 1-15-07) 16 SMSC USB3280 DA T ASHEET Note 6.5 V DD3.3 = 3.0 to 3.6V ; V SS = 0V ; T A = -40 o C to 85 o C; unless otherwise spe cified. 6.1 Driver Characteristics of Full -S peed Drivers in High-Speed Cap able T ransceivers The USB3280 uses a dif ferential output driver to drive[...]

  • Page 17

    Hi-S peed USB Device PHY with UTMI Interface Datasheet SMSC USB3280 17 Revision 1.5 (1 1-15-07) DA T ASHEET Figure 6 .1 Full-Speed Driver VOH/IOH Charac te ristics for High-speed Cap able T ransceiver Figure 6.2 Full-Speed Driver VOL/IOL Characte ristics for High-speed Capable T ransceiver V out (V olts) V OH 0 0 Drive High 0.6 98*V OH Tes t L im i[...]

  • Page 18

    Hi-S peed USB Device PHY with UTMI Interface Datasheet Revision 1.5 (1 1-15-07) 18 SMSC USB3280 DA T ASHEET 6.2 High-speed Signaling Eye Patterns High-speed USB signals are characterized using eye patterns. For measuri ng the eye patterns 4 points have been defined (see Figure 6.3 ). The Universal Serial Bus S pecification R ev .2.0 defines the eye[...]

  • Page 19

    Hi-S peed USB Device PHY with UTMI Interface Datasheet SMSC USB3280 19 Revision 1.5 (1 1-15-07) DA T ASHEET The eye pattern in Figure 6.4 defines the transmit waveform requir ements for a hub (measured at TP2 of Figure 6.3 ) or a device without a captiv e cable (measu red at TP3 of Figure 6.3 ). The corresponding signal levels and timings are given[...]

  • Page 20

    Hi-S peed USB Device PHY with UTMI Interface Datasheet Revision 1.5 (1 1-15-07) 20 SMSC USB3280 DA T ASHEET The eye pattern in Figure 6.5 define s the receiver sensitivity r equi rements for a hub (signal applied at test point T P2 of Figure 6. 3 ) or a device with out a captive cable (signal applie d at test point TP3 of Figure 6.3 ). The correspo[...]

  • Page 21

    Hi-S peed USB Device PHY with UTMI Interface Datasheet SMSC USB3280 21 Revision 1.5 (1 1-15-07) DA T ASHEET Chapter 7 Functional Overview Figure 2.1 on page 7 shows the functional block diagra m of the USB3280. Each o f the functions is described in detail below . 7.1 Modes of Operation The USB3280 supports an 8-bit bi-d irectional parallel interfa[...]

  • Page 22

    Hi-S peed USB Device PHY with UTMI Interface Datasheet Revision 1.5 (1 1-15-07) 22 SMSC USB3280 DA T ASHEET Figure 7.2 shows the relationshi p between CLKOUT and t he receiv e data control signals in FS mode. RXACTIVE "frames" a p acket, transitioni ng only at the beginni ng and end of a p acket. However transitions of RXV ALID may take p[...]

  • Page 23

    Hi-S peed USB Device PHY with UTMI Interface Datasheet SMSC USB3280 23 Revision 1.5 (1 1-15-07) DA T ASHEET The behavior of the Transmit S tate Machine is described below .  Asserting a RESET forces the transmi t state machine into the Reset state which negates TXREADY . When RESET is negated the transm it state machine will enter a wait state. [...]

  • Page 24

    Hi-S peed USB Device PHY with UTMI Interface Datasheet Revision 1.5 (1 1-15-07) 24 SMSC USB3280 DA T ASHEET When the EOP is detected the state machine will ente r the St r i p E O P state and negate RXACTIVE and RXV ALID. After the EOP has been stripped the Receive S tate Machine will reenter the RX Wait state and begin looking for the ne xt packet[...]

  • Page 25

    Hi-S peed USB Device PHY with UTMI Interface Datasheet SMSC USB3280 25 Revision 1.5 (1 1-15-07) DA T ASHEET The receivers connect directly to the USB cable. The block contains a separate differential receiver for HS and FS mode. Depend ing on the mode, the se lected receiver provides the serial data stream through the mulitplexer to the RX Logic bl[...]

  • Page 26

    Hi-S peed USB Device PHY with UTMI Interface Datasheet Revision 1.5 (1 1-15-07) 26 SMSC USB3280 DA T ASHEET 7.6 USB 2.0 T ransceiver The SMSC Hi-S peed USB 2.0 T ransceiver co nsists of the High S peed and Full S peed T ransceivers, and the T ermination resistors. 7.6.1 High Speed and Full S peed T ransceivers The USB3280 transceiver meets all requ[...]

  • Page 27

    Hi-S peed USB Device PHY with UTMI Interface Datasheet SMSC USB3280 27 Revision 1.5 (1 1-15-07) DA T ASHEET 7.6.3 Bias Generator This block consists of an internal bandgap re fe rence circu it used for generating the high speed driver currents and the biasing of the analog circuits. This block requires an exte rnal 12k Ω , 1% tolerance, external r[...]

  • Page 28

    Hi-S peed USB Device PHY with UTMI Interface Datasheet Revision 1.5 (1 1-15-07) 28 SMSC USB3280 DA T ASHEET Chapter 8 Application Notes The following sectio ns consist of select functional expla nations to aid in implementin g the USB3280 into a system. For complete descripti on and specifications consult the USB 2.0 T ransceiver Macrocell Interfac[...]

  • Page 29

    Hi-S peed USB Device PHY with UTMI Interface Datasheet SMSC USB3280 29 Revision 1.5 (1 1-15-07) DA T ASHEET 8.2 OPMODES The OPMODE[1:0] pins allo w control of the operating mo des. The OPMODE[1:0] signals are normally changed on ly when the transmitter an d the receiver are quiescent, i.e. when entering a te st mo de or for a device initiated resum[...]

  • Page 30

    Hi-S peed USB Device PHY with UTMI Interface Datasheet Revision 1.5 (1 1-15-07) 30 SMSC USB3280 DA T ASHEET 8.4 SE0 Handling For FS operation, IDLE is a J state on the bus. SE0 is used as part of the EOP or to indicate re set. When asserted in an EOP , SE0 is never asse rted for more than 2 bit times. The assertion of SE0 for more than 2.5us is int[...]

  • Page 31

    Hi-S peed USB Device PHY with UTMI Interface Datasheet SMSC USB3280 31 Revision 1.5 (1 1-15-07) DA T ASHEET 8.6 Suspend Detection If a HS device detects SE0 asserted on the bus for mo re than 3ms (T1), it reverts to FS mode. This enables the FS pull -up on the DP line in an a ttempt to assert a continuous FS J state on the bus. The SIE must then ch[...]

  • Page 32

    Hi-S peed USB Device PHY with UTMI Interface Datasheet Revision 1.5 (1 1-15-07) 32 SMSC USB3280 DA T ASHEET 8.7 HS Detection Handshake The High S peed Detection Handshake process is en tered from o ne of three states: suspend, active FS or active HS. The downstream facing port a sserting an SE0 state on the bus initiates the HS Detection Handshake.[...]

  • Page 33

    Hi-S peed USB Device PHY with UTMI Interface Datasheet SMSC USB3280 33 Revision 1.5 (1 1-15-07) DA T ASHEET Notes:  T0 may occur to 4ms af ter HS Reset T0.  The SIE must assert the Chirp K for 66000 CLKO UT cycles to ensure a 1ms minimum duration. Figure 8.3 HS Detection Hands hake Timing Behavior (FS Mode) T able 8.6 HS Detectio n Handshake [...]

  • Page 34

    Hi-S peed USB Device PHY with UTMI Interface Datasheet Revision 1.5 (1 1-15-07) 34 SMSC USB3280 DA T ASHEET 8.9 HS Detection Handshake – HS Downstream Facing Port Upon entering the HS Detection process (T0) XCVRSELECT and TERMSELECT are in F S mode. The DP pull-up is asserted and the HS terminati ons are disabled. The SIE th en sets OPMODE to Dis[...]

  • Page 35

    Hi-S peed USB Device PHY with UTMI Interface Datasheet SMSC USB3280 35 Revision 1.5 (1 1-15-07) DA T ASHEET Figure 8.5 H S Detection Handshake Timing Behavior (HS Mo de) T able 8.7 Reset Timing V alues TIM IN G PARAMETER DESCRIPTION V ALUE T0 HS Handshake begi ns. DP pull-up enab led, HS terminations disabled. 0 (refer ence) T1 Device asserts Chirp[...]

  • Page 36

    Hi-S peed USB Device PHY with UTMI Interface Datasheet Revision 1.5 (1 1-15-07) 36 SMSC USB3280 DA T ASHEET Notes:  T0 may be up to 4ms after HS Reset T0.  The SIE must use LINEST A TE to detect the downstream port chirp sequence .  Due to the assertion of the HS termination on t he host port and FS terminati on on the device port, between[...]

  • Page 37

    Hi-S peed USB Device PHY with UTMI Interface Datasheet SMSC USB3280 37 Revision 1.5 (1 1-15-07) DA T ASHEET T o detect the assertion of the downstrea m Ch irp K's and Chirp J's for 2.5us {T FIL T }, the SIE must see the appropriate LINEST A TE signals asserted continuously for 165 CLKOUT cycles. Figure 8.6 HS Detection Handshake Timing Be[...]

  • Page 38

    Hi-S peed USB Device PHY with UTMI Interface Datasheet Revision 1.5 (1 1-15-07) 38 SMSC USB3280 DA T ASHEET 8.1 1 Assertion of Resume In this case, an event internal to the device initiates the resume process. A device with remote wake- up capability must wait for at least 5ms after the bus is in the idle state before sending the remote wake-up res[...]

  • Page 39

    Hi-S peed USB Device PHY with UTMI Interface Datasheet SMSC USB3280 39 Revision 1.5 (1 1-15-07) DA T ASHEET 8.12 Detection of Resume Resume signaling always takes place in FS mode (TERMSELECT and XCVRSELECT = FS enabled), so the behavior for a HS device is identical to that o f a FS device. The SIE uses the LINEST A TE signals to determine w hen th[...]

  • Page 40

    Hi-S peed USB Device PHY with UTMI Interface Datasheet Revision 1.5 (1 1-15-07) 40 SMSC USB3280 DA T ASHEET Figure 8 .8 Device Attach Behavior T able 8.10 Attach and Reset Timing V a lues TIM IN G PARAMETER DESCRIPTION V ALUE T0 Vbus V alid. 0 (reference) T1 Maximum time from Vbus valid to when the device must signal attach. T0 + 100ms < T1 T2 ([...]

  • Page 41

    Hi-S peed USB Device PHY with UTMI Interface Datasheet SMSC USB3280 41 Revision 1.5 (1 1-15-07) DA T ASHEET 8.14 Application Diagram Figure 8.9 USB3280 Application Diagram UTMI USB POWER TXVALID TXREADY RXACTIVE RXVALID RXERROR XCVRSELECT TERMSELECT SUSPENDN RESET OPMODE 0 OPMODE 1 LINESTATE 0 LINESTATE 1 CLKOUT DATA 0 DATA 1 DATA 2 DATA 3 DATA 4 D[...]

  • Page 42

    Hi-S peed USB Device PHY with UTMI Interface Datasheet Revision 1.5 (1 1-15-07) 42 SMSC USB3280 DA T ASHEET Chapter 9 Package Outline Figure 9.1 USB3280-AEZG 36-Pin QFN Package Ou tline and Para meters, 6 x 6 x 0.90 mm Body (Lead-Fre e RoHS Compliant) CATAL OG P A RT EXPOSED PA D B A DDE D " PRE LI MI NARY " NOTE 11/6/03 S.K. ILIEV C DELE[...]

  • Page 43

    Hi-S peed USB Device PHY with UTMI Interface Datasheet SMSC USB3280 43 Revision 1.5 (1 1-15-07) DA T ASHEET Figure 9.2 QFN, 6x6 T ape & Reel[...]

  • Page 44

    Hi-S peed USB Device PHY with UTMI Interface Datasheet Revision 1.5 (1 1-15-07) 44 SMSC USB3280 DA T ASHEET Note: S tandard reel size is 3000 piece s per reel. Figure 9.3 Reel Dimensions[...]