Instruction/ maintenance manual of the product USB3280 SMSC
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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.
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.
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 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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 .
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.
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 .
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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 TXREA.
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.
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.
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.
An important point after buying a device SMSC USB3280 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought SMSC USB3280 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data SMSC USB3280 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, SMSC USB3280 you will learn all the available features of the product, as well as information on its operation. The information that you get SMSC USB3280 will certainly help you make a decision on the purchase.
If you already are a holder of SMSC USB3280, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime SMSC USB3280.
However, one of the most important roles played by the user manual is to help in solving problems with SMSC USB3280. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device SMSC USB3280 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
