Manuals / Brands / Computer Equipment / Switch / Philips / Computer Equipment / Switch

Philips PDIUSBH12 Philips Semiconductors Product specification, Figure 3. Hub EOP Delay and EOP Skew, 1999 Jul 22 22, Figure 2. Hub Differential Data Delay and SOP distortion

1 28

Download 28 pages, 170.45 Kb

Philips Semiconductors Product specification

PDIUSBH12USB 2-port hub

1999 Jul 22 22

CROSSOVER

POINT

CROSSOVER

POINT

CROSSOVER

POINT

SV00514

CROSSOVER

POINT

Hub Delay

Downstream

tHDD

Hub Delay

Upstream

tHDD

DOWNSTREAM

DIFFERENTIAL

DATA

UPSTREAM-

DIFFERENTIAL

DATA

UPSTREAM

DIFFERENTIAL

DATA

DOWNSTREAM-

DIFFERENTIAL

DATA

VDD

VSS

VSS

A. DOWNSTREAM HUB DELAY B. UPSTREAM HUB DELAY

SOP DISTORTION

tSOP = tHDD(SOP) – tHDD (NEXT J)

LOW SPEED TIMINGS ARE DETERMINED IN THE SAME WAY FOR:

tLHDD AND tLSOP

Figure 2. Hub Differential Data Delay and SOP distortion

UPSTREAM-

DIFFERENTIAL

DATA

DOWNSTREAM-

DIFFERENTIAL

DATA

VDD

VSS

VSS

A. DOWNSTREAM EOP DELAY B. UPSTREAM EOP DELAY

EOP DELAY

tEOPD = tEOP–

EOP DELAY RELATIVE TO tHDD

tEOPDR = tEOPD – tHDD

EOP SKEW

tHESK = tEOP+ – tEOP–

LOW SPEED TIMINGS ARE DETERMINED IN THE SAME WAY FOR:

tLEOPD, tLEOPDR, AND tLHESK

tEOP+

tEOP– CROSSOVER

POINT

EXTENDED

CROSSOVER

POINT

EXTENDED

UPSTREAM

END OF CABLE

DOWNSTREAM

PORT

tEOP+

tEOP– CROSSOVER

POINT

EXTENDED

CROSSOVER

POINT

EXTENDED

SV00515

Figure 3. Hub EOP Delay and EOP Skew

Contents

Main PDIUSBH12USB 2-port hub Philips Semiconductors Product specification 1999 Jul 22 3 BLOCK DIAGRAM SV00852 REPEATER END OF FRAME TIMERS PHILIPS SIE Analog Transceivers Hub Repeater End of Frame Timers General and Individual Port Controller PLL ENDPOINT DESCRIPTIONS Table 1. SINGLE EMBEDDED FUNCTION MODE (DEFAULT AT POWER UP) Table 2. MULTIPLE (3) EMBEDDED FUNCTION MODE PINNING Pin configuration Pin Description Pin description (MODE 0 Good Link) Pin description (MODE 1 Individual Overcurrent) APPLICATION DIAGRAM I2C Interface C Handbook I ADDRESS TABLE COMMAND SUMMARY COMMAND DESCRIPTIONS Command Procedure Initialization Commands Set Address / Enable Set Endpoint Enable Set Mode PDIUSBH12USB 2-port hub Configuration Byte endpoint descriptions Clock Division Factor Byte Data Flow Commands Read Interrupt Register Select Endpoint Read Last Transaction Status Table 3. Error codes Write Buffer Clear Buffer Validate Buffer Set Endpoint Status Acknowledge Setup Hub Commands Clear/Set Port Feature Table 4. Get Port Status Set Status Change Bits General Commands Send Resume Read Current Frame Number Embedded Function Host Requests SetFeature PORT_RESET SetFeature PORT_ENABLE RECOMMENDED OPERATING CONDITIONS ABSOLUTE MAXIMUM RATINGS DC CHARACTERISTICS (Digital pins) DC CHARACTERISTICS (AI/O pins) LOAD FOR D+/D AC CHARACTERISTICS (AI/O pins, FULL speed) AC CHARACTERISTICS (AI/O pins, LOW speed) Philips Semiconductors Product specification SV00514 Figure 3. Hub EOP Delay and EOP Skew 1999 Jul 22 22 Figure 2. Hub Differential Data Delay and SOP distortion AC CHARACTERISTICS (I2C pins) C-bus and how to use it The I Page Page SOLDERING Introduction Data Handbook IC26; Integrated Circuit Packages Through-hole mount packages SOLDERING BY DIPPING OR BY SOLDER WAVE M ANUAL SUITABILITY OF IC PACKAGES FOR WAVE, REFLOW AND DIPPING SOLDERING METHODS Data Handbook IC26; Integrated Circuit Packages; Section: Packing Methods. Definitions Disclaimers Data sheet status