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Philips Semiconductors

Product specification

PDIUSBH12

USB 2-port hub

1999 Jul 22

3

BLOCK DIAGRAM

ANALOG
   T

X

/R

X

GOODLINK

 CONTROL

ANALOG
   T

X

/R

X

    GENERAL 
       PORT
CONTROLLER

     

 HUB

REPEATER

END OF
FRAME
TIMERS

ANALOG
   T

X

/R

X

PHILIPS
   SIE

INTEGRATED 
      RAM

BIT CLOCK
RECOVERY

    MEMORY
MANAGEMENT
        UNIT

      I

2

C

   SLAVE
INTERFACE

12 MHz

FULL SPEED

INTERRUPT

SDA

SCL

   LED

D–

D+

   LED

D–

D+

DOWNSTREAM
      PORT 2

DOWNSTREAM
      PORT 3

D+

D–

UPSTREAM
     PORT

GOODLINK

 CONTROL

GOODLINK

         NO 
CONNECTION

CONNECTED      DATA 

TRANSFER

NO LIGHT

LIT

BLINKING

PLL

SV00852

SoftConnect

D+

3.3V

1.5k

Ω

NOTE:
1. This is a conceptual block diagram and does not include each individual signal.

Summary of Contents for Integrated Circuits PDIUSBH12

Page 1: ... PDIUSBH12 USB 2 port hub Product specification Supersedes data of 1999 Feb 25 1999 Jul 22 INTEGRATED CIRCUITS ...

Page 2: ... to choose the optimum system microcontroller from the available wide variety This flexibility cuts down the development time risks and costs by allowing the use of the existing architecture and the firmware investments This results in the fastest way to develop the most cost effective USB peripheral solutions that need hub functionality The PDIUSBH12 is ideally suited for computer monitors dockin...

Page 3: ...X RX PHILIPS SIE INTEGRATED RAM BIT CLOCK RECOVERY MEMORY MANAGEMENT UNIT I2C SLAVE INTERFACE 12 MHz FULL SPEED INTERRUPT SDA SCL LED D D LED D D DOWNSTREAM PORT 2 DOWNSTREAM PORT 3 D D UPSTREAM PORT GOODLINK CONTROL GOODLINK NO CONNECTION CONNECTED DATA TRANSFER NO LIGHT LIT BLINKING PLL SV00852 SoftConnect D 3 3V 1 5kΩ NOTE 1 This is a conceptual block diagram and does not include each individua...

Page 4: ...grated RAM is used to handle the large difference in data rate between USB running in bursts of 12 Mbit s and the I2C interface to the microcontroller running at up to 1 Mbit s This allows the microcontroller to read and write USB packets at its own speed through I2C I2C Slave Interface This block implements the necessary I2C interface protocol A slave I2C allows for simple micro coding An interru...

Page 5: ...Hub 0 Upstream 2 3 Downstream 0 1 Control IN 8 2 3 Downstream 1 Interrupt IN 1 0 2 Control OUT 8 0 3 Control IN 8 1 5 Generic OUT 8 Embedded 1 1 4 Generic IN 8 Function 1 1 2 6 Generic OUT 8 2 7 Generic IN 8 3 8 Generic OUT 8 3 9 Generic IN 8 NOTE 1 Hub interrupt endpoint is not indexed 2 Generic endpoint can be used for Interrupt or Bulk endpoint Table 2 MULTIPLE 3 EMBEDDED FUNCTION MODE FUNCTION...

Page 6: ...uency is now programmable rather than fixed to 12 MHz The output clock frequency can be programmed through the Set Mode command All these new features are added while maintaining backward compatibility to the PDIUSBH11 through TEST2 and TEST1 pins TEST2 TEST1 MODE INPUT XTAL FREQUENCY MHz OUTPUT CLOCK FREQUENCY AT REST 00 MODE 0 GoodLink 48 12MHz 01 MODE 0 GoodLink 12 4 MHz 10 MODE 1 Individual Ov...

Page 7: ...than 2 seconds is interpreted as loss of VBUS 11 SWITCH_N Output OD6 Enables power to downstream ports 12 SUSPEND Output OD6 Device is in suspended state 13 DN2_GL_N Output OD6 Downstream port 2 GoodLink LED indicator 14 DN3_GL_N Output OD6 Downstream port 3 GoodLink LED indicator 15 RSVD Input Reserved Connect to GND for normal operation 16 RSVD Input Reserved Connect to GND for normal operation ...

Page 8: ... longer than 2 seconds is interpreted as loss of VBUS 11 SWITCH_N Output OD6 Enables power to downstream ports 12 SUSPEND Output OD6 Device is in suspended state 13 DN2_GL_N Output OD6 Downstream port 2 GoodLink LED indicator 14 OCURRENT3_N Input ST Downstream port 3 over current notice 15 RSVD Input Reserved Connect to GND for normal operation 16 RSVD Input Reserved Connect to GND for normal oper...

Page 9: ... transactions Writing to the command address is interpreted as a command while reading from writing to the data address is used to transfer data between the PDIUSBH12 and the controller ADDRESS TABLE TYPE OF ADDRESS PHYSICAL ADDRESS MSB to LSB Command 0011 011 binary Data 0011 010 binary Protocol An I2C transaction starts with a Start Condition followed by an address When the address matches eithe...

Page 10: ...Read 1 byte optional Read Last Transaction Status Hub Control OUT 40h Read 1 byte Hub Control IN 41h Read 1 byte Other Endpoints 40h Endpoint Index Read 1 byte Read Endpoint Status Hub Control OUT 80h Read 1 byte Hub Control IN 81h Read 1 byte Other Endpoints 80h Endpoint Index Read 1 byte Read Buffer Selected Endpoint F0h Read n bytes Write Buffer Selected Endpoint F0h Write n bytes Set Endpoint ...

Page 11: ... POWER ON VALUE ADDRESS ENABLE SV00825 0 0 0 0 0 0 Address The value written becomes the address Enable A 1 enables this function Set Endpoint Enable Command D8h Data Write 1 byte The hub s interrupt endpoint and the embedded functions generic endpoints can only be enabled when the corresponding hub function is enabled via the Set Address Enable command SV00841 7 6 5 4 3 2 0 1 0 0 POWER ON VALUE E...

Page 12: ... that the upstream resistor will not be connected The programmed value will not be changed by a bus reset Connect Downstream Resistors A 1 indicates that downstream resistors are connected A 0 means that downstream resistors are not connected The programmed value will not be changed by a bus reset Non blinking LEDs A 1 indicates that GoodLink LEDs will NOT blink when there is traffic Leave this bi...

Page 13: ...pletely identical to the hardware reset through the RESET_N pin with the sole difference of interrupt notification The hub interrupt endpoint is handled internally by the PDIUSBH12 hardware without the need of microcontroller intervention Select Endpoint Command 00 0Dh Data Optional Read 1 byte The Select Endpoint command initializes an internal pointer to the start of the Selected buffer Optional...

Page 14: ...d Buffer command This means that reading or writing a buffer can be interrupted by any other command except for Select Endpoint or can be done by more than one I2C transaction read the first 2 bytes to get the number of data bytes then read the rest in other transactions The data in the buffer are organized as follows byte 0 Reserved can have any value byte 1 Number length of data bytes byte 2 Dat...

Page 15: ...itten in the data phase is the feature code described in Table 4 When the controller receives a Set Feature or a Clear Feature request there are two possibilities The request applies to port 1 the embedded port In this case the request should be handled internally by the controller If the request applies to ports 2 and 3 the controller should translate the request into a Set Feature or Clear Featu...

Page 16: ... that power is supplied to downstream ports Since the PDIUSBH12 supports gang mode power switching this bit is the same for all ports Low Speed A 1 indicates that low speed device is connected to this port This bit is only valid when Connect bit is a 1 Port Status Change Byte The description for the Port Status Change Byte is similar to the Port Status Byte except that the value of the bits are 1 ...

Page 17: ...oint Enable command SetFeature PORT_ENABLE Enable the function by the Set embedded function Address Enable command Set the Enable Status bit SetFeature PORT_SUSPEND Disable the function by the Set embedded function Address Enable command Reset the Enable Status bit and set the Suspend Status bit ClearFeature PORT_ENABLE Disable the function by the Set embedded function Address Enable command Reset...

Page 18: ...VO VCC or VO 0 50 mA VO DC output voltage Note 2 0 5 VCC 0 5 V IO DC output sink or source current for other pins VO 0 to VCC 15 mA IO DC output sink or source current for D D pins VO 0 to VCC 50 mA IGND ICC DC VCC or GND current 100 mA VESD Electrostatic discharge voltage IIL 1 µA 3 4000 4 V TSTG Storage temperature range 60 150 C PTOT Power dissipation per package NOTES 1 Stresses beyond those l...

Page 19: ...Operating current 02 ports operating 13 mA DC CHARACTERISTICS AI O pins SYMBOL PARAMETER TEST CONDITIONS MIN MAX UNIT Leakage Current ILO Hi Z state data line leakage 0V VIN 3 3V 10 µA Input Levels VDI Differential input sensitivity D D 1 0 2 V VCM Differential common mode range Includes VDI range 0 8 2 5 V VSE Single ended receiver threshold 0 8 2 0 V Output Levels VOL Static output LOW RL of 1 5...

Page 20: ...mings tEOPT Source EOP width Figure 1 160 175 ns tDEOP Differential data to EOP transition skew Figure 1 2 5 ns Receiver Timings Receiver Data Jitter Tolerance tJR1 To next transition Characterized and not tested 18 5 18 5 ns tJR2 For paired transitions Guaranteed by design 9 9 ns EOP Width at Receiver tEOPR1 Must reject as EOP Figure 1 40 ns tEOPR2 Must accept 82 ns Hub Timings Full Speed downstr...

Page 21: ...gure 1 1 25 1 50 µs tLDEOP Differential data to EOP transition skew Figure 1 40 100 ns Receiver Timings EOP Width at Receiver tLEOPR1 Must reject as EOP Figure 1 330 ns tLEOPR2 Must accept Figure 1 675 ns Hub Timings Low Speed downstream port tLHDD Hub Differential Data Delay Figure 2 300 ns tLSOP Data bit width distortion after SOP Figure 2 65 45 ns tLEOPDR Hub EOP Delay Relative to THDD Figure 3...

Page 22: ...XT 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...

Page 23: ... SCL LOW time 0 45 µs tHIGH SCL HIGH time 0 45 µs tr SCL and SDA rise time 0 3 µs tf SCL and SDA fall time 0 1 µs tSU DAT Data set up time 100 ns tHD DAT Data hold time 0 ns tVD DAT SCL LOW to data out valid 0 4 µs tSU STO Stop condition set up time 0 25 µs A detailed description of the I2C bus specification with applications is given in the brochure The I2C bus and how to use it This brochure may...

Page 24: ...Philips Semiconductors Product specification PDIUSBH12 USB 2 port hub 1999 Jul 22 24 SO28 plastic small outline package 28 leads body width 7 5mm SOT136 1 ...

Page 25: ...Philips Semiconductors Product specification PDIUSBH12 USB 2 port hub 1999 Jul 22 25 DIP28 plastic dual in line package 28 leads 600 mil SOT117 1 ...

Page 26: ... infrared convection heating in a conveyor type oven Throughput times preheating soldering and cooling vary between 100 and 200 seconds depending on heating method Typical reflow peak temperatures range from 215 250 C The top surface temperature of the packages should preferably be kept below 230 C WAVE SOLDERING Conventional single wave soldering is not recommended for surface mount devices SMDs ...

Page 27: ... to the Drypack information in the Data Handbook IC26 Integrated Circuit Packages Section Packing Methods 2 For SDIP packages the longitudinal axis must be parallel to the transport direction of the printed circuit board 3 These packages are not suitable for wave soldering as a solder joint between the printed circuit board and heatsink at bottom version cannot be achieved and as solder may stick ...

Page 28: ...anges Philips Semiconductors reserves the right to make changes without notice in the products including circuits standard cells and or software described or contained herein in order to improve design and or performance Philips Semiconductors assumes no responsibility or liability for the use of any of these products conveys no license or title under any patent copyright or mask work right to the...

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