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June 2008

Rev 1 

1/29

UM0529

User manual

STUSB02E and STUSB03 low-speed

evaluation boards: STEVAL-PCC004V1 and STEVAL-PCC003V1

Introduction 

This user manual explains the details of both the STUSB02E and STUSB03 USB low-speed 
evaluation boards.

For evaluation purposes, the USB microcontroller used is the ST72F63B.

The STUSB02E or STUSB03 connected with a USB controller is ideal for use in mobile 
phones, digital cameras, printers, PDAs, etc.

The STUSB02E or STUSB03 USB low-speed evaluation board is designed for 
demonstration and evaluation purposes.

■

Reference: 

– STEVAL-PCC003V1: low-speed USB evaluation board based on the STUSB03 

transceiver and ST72F63B

– STEVAL-PCC004V1: low-speed USB evaluation board based on the STUSB02E 

transceiver and ST72F63B

Figure 1.

USB low-speed evaluation board - STEVAL-PCC003V1

www.st.com

www.BDTIC.com/ST

Содержание STEVAL-PCC003V1

Страница 1: ...he STUSB02E or STUSB03 connected with a USB controller is ideal for use in mobile phones digital cameras printers PDAs etc The STUSB02E or STUSB03 USB low speed evaluation board is designed for demonstration and evaluation purposes Reference STEVAL PCC003V1 low speed USB evaluation board based on the STUSB03 transceiver and ST72F63B STEVAL PCC004V1 low speed USB evaluation board based on the STUSB...

Страница 2: ...icrocontroller U1 9 3 1 1 Oscillator 9 3 2 STUSB02E STUSB03E transceiver U5 9 3 3 74LCX139MTR low voltage dual 2 to 4 decoder demultiplexer U2 U3 9 3 4 LD2985BM33R voltage regulator U4 10 4 Power requirements 11 5 Pin assignments 12 5 1 Jumpers details 12 5 2 Switch assignments 14 5 3 Connector assignments 15 5 4 USB pin assignments 15 5 5 Decoder U2 U3 pin description 15 5 5 1 Decoder demultiplex...

Страница 3: ...re control of the evaluation board 21 6 1 2 Display of evaluation board state 21 6 2 USB suspend 22 7 Schematics 23 8 Bill of material 24 Appendix A Port configuration 26 Appendix B Abbreviations 27 9 Revision history 28 www BDTIC com ST ...

Страница 4: ...USB02E STUSB03E low speed evaluation board enumeration in GUI 7 Figure 3 STUSB02E STUSB03 evaluation board block diagram 8 Figure 4 STUSB02E STUSB03E evaluation board enumeration 20 Figure 5 STUSB02E STUSB03 evaluation board demonstration 21 Figure 6 STUSB02E STUSB03E evaluation board schematic 23 www BDTIC com ST ...

Страница 5: ...7 Evaluation board connectors 15 Table 8 USB mini B pin assignments 15 Table 9 Decoder pin U2 U3 description 15 Table 10 Truth table for first input of U2 16 Table 11 Truth table for second input of U2 16 Table 12 Truth table for first input of U3 16 Table 13 Truth table for second input of U3 17 Table 14 Pin description for STUSB02E transceiver 17 Table 15 Pin description for STUSB03 transceiver ...

Страница 6: ...luation board install the USB HID demonstration GUI on the PC 1 3 1 Drivers for evaluation board The firmware programmed in the evaluation board is based on HID class of USB Windows OS have built in drivers for HID functionality 1 3 2 System requirements for USB HID demonstration GUI For low speed evaluation board communication with GUI a recent version of Windows such as Windows 2000 or Windows X...

Страница 7: ...E STUSB03E low speed evaluation board enumeration in GUI Now the evaluation board installation procedure is complete For demonstration of the board features refer to Section 6 1 Communication with the application board on page 21 www BDTIC com ST ...

Страница 8: ...troller for providing the VIF to the transceiver and also the supply to 74LCX139 Since the ST72F63B is a USB low speed microcontroller therefore the pull up resistor is connected to the D pin of the transceiver Hence STUSB02E STUSB03 acts as a low speed transceiver Also the SPD pin of the transceiver is connected to GND for low speed selection The 74LCX139MTR is used to convert 5 V signals from th...

Страница 9: ...low voltage dual 2 to 4 decoder demultiplexer U2 U3 The 74LCX139MTR is a low voltage CMOS dual 2 to 4 line decoder demultiplexer It is ideal for low power and high speed 3 3 V applications It can be interfaced to 5 V signal environment for inputs The active low enable input can be used for gating or as a data input for demultiplexing applications While the enable input is held high all four output...

Страница 10: ...ra low drop voltage and the low quiescent current make them particularly suitable for low noise low power applications and in battery powered systems In sleep mode quiescent current is less than 1 µA when the INHIBIT pin is pulled low Shutdown logic control function is available on pin 3 TTL compatible Note LD2985BM33R usage is optional in the board By configuring jumpers J9 J13 J11 the external v...

Страница 11: ...btained from the onboard voltage regulator as well as the built in voltage regulator of the ST72F63B Both evaluation boards are designed for two power supply configurations It can be bus powered from the mini B connector There is another option available for powering the board using the J3 connector J3 can be used for powering the board from an external supply There is a three pin jumper J4 on the...

Страница 12: ... D3 from the microcontroller pin connected to it Closed JP4 PA6 Open disconnects LED D4 from the microcontroller pin connected to it Closed J8 OSCIN Closed connects main clock input for external source Open Table 3 Voltage regulator U4 related jumper assignment Jumper Related pin s Description Default J9 VIN Open disconnects the external voltage regulator supply voltage Closed connects the VCC to ...

Страница 13: ... decoder etc Pin 1 and 2 closed used for powering the board through an external supply Pin 2 and 3 closed J10 VPU Pin 1 and 2 closed connects the 1 5 kΩ resistor between D and VPU pin of USB transceiver for low speed mode Pin 2 and 3 closed connects the 1 5 kΩ resistor between D and VTRM pin of USB transceiver Pin 2 and 3 closed for STUSB03 evaluation board STEVAL PCC003V1 Pin 1 and 2 closed for S...

Страница 14: ...connects the CFG3_PA0 to GND Pin 2 and 3 closed connects the CFG3_PA0 to VCC Open J17 CFG4_PC0 Pin 1 and 2 closed connects the CFG4_PC0 to GND Pin 2 and 3 closed connects the CFG4_PC0 to VCC Open Table 6 Evaluation board switch assignments Jumper Related pin s Description SW1 RESET When button is pressed the active low signal forces the initialization of the MCU SW2 PA3 When button is pressed PA3 ...

Страница 15: ...ption J7 USB mini B connector J3 External power supply 5 V GND Table 8 USB mini B pin assignments Pin no Description 1 VBUS connect a 5 V supply voltage when powering VBUS pin from mini B connector 2 D data line 3 D data line 4 ID not used 5 GND ground reference Table 9 Decoder pin U2 U3 description Pin no Symbol Name and function 1 15 n1G n2G Enable inputs 2 3 1A 1B Address inputs 4 5 6 7 n1Y0 to...

Страница 16: ...3 The first input and other related input pins are not connected in this decoder Table 13 shows the truth table for second input of U3 Table 10 Truth table for first input of U2 Inputs Outputs Enable Select n1G 1 1B 3 GND 1A 2 USBOE nY0 4 NC nY1 5 nUSBOE nY2 6 NC nY3 7 NC H X X H H H H L L L L H H H L L H H L H H Table 11 Truth table for second input of U2 Inputs Outputs Enable Select n2G 15 2B 13...

Страница 17: ...or STUSB02E transceiver Pin no Symbol I O Name and function 0 N C Not connected 1 SPD I Edge rate control A logic HIGH operates at edge rates for full speed operation A logic LOW operates edge rates for low speed operation 2 RCV O Receive data Output for USB differential data 3 VP I O If OE H VP receiver output If OE L VP driver input 4 VM I O If OE H VM receiver output If OE L VM driver input 5 C...

Страница 18: ...A logic LOW operates edge rates for low speed operation 2 RCV O Receive data Output for USB differential data 3 VP I O If OE H VP receiver output If OE L VP driver input 4 VM I O If OE H VM receiver output If OE L VM driver input 5 CON I CONNECT input Controls state of VPU Refer to VPU pin description for detail 6 GND Ground reference 7 SUS I Suspend active high Turns off internal circuits to redu...

Страница 19: ... 5 5 V Supplies power to the USB transceiver and internal circuitry 15 VIF I System interface supply voltage 1 6 V To 3 6 V Provides reference supply voltage for system I O interface signals 16 VBUSDET O VBUS indicator output When VBUS 2 9 V VBUSDET high and when 2 2V VBUSDET low EXP N C Not Connected Table 15 Pin description for STUSB03 transceiver continued www BDTIC com ST ...

Страница 20: ... or output devices LEDs and a wrap area Communications between the PC and the ST7 board are done through different USB pipes control IN and OUT during the enumeration with the bi directional endpoint 0 interrupt IN from endpoint 1 for data transferred from ST7 to PC interrupt OUT to the endpoint 2 for the data transferred from PC to ST7 The evaluation board must first be connected to the PC with t...

Страница 21: ...ightness of D4 on the board Each slider bar value is converted to a pulse width modulation PWM by the microcontroller The brightness of LED D4 changes according to the slider value 6 1 2 Display of evaluation board state Button state this green LED changes its state when push button SW4 of the evaluation board is pressed Trimmer value this value is the result of the analog to digital conversion of...

Страница 22: ...rrent consumption of the evaluation board in the suspend state is according to USB specifications for low power devices During suspend mode the MCU is put in HALT mode to consume the minimum current All I Os of the microcontroller shall be configured for minimum current consumption See Appendix A Port configuration of detailed I O configuration during run mode and suspend mode The transceiver is p...

Страница 23: ...UM0529 Schematics 23 29 7 Schematics Figure 6 STUSB02E STUSB03E evaluation board schematic www BDTIC com ST ...

Страница 24: ...U5 USB transceiver QFN16 STMicroelectronics STSB02EQR STSB03EQR 5 1 Q1 PNP transistor SOT 23 STMicroelectronics 2STR2215 LEDs 1 4 D1 D2 D3 D4 LED 3 mm red through hole Any Crystals and oscillator 1 1 XT1 Quartz crystal 12 MHz SS4 HC49 U4H 11 35 4 6 mm Jauch Connectors and jumpers 1 1 CON1 HEADER 5X2 2 54 2 54 mm Any 2 2 J1 J2 1 HEADER 1X16 2 54 mm pitch Any 3 1 J3 HEADER 1X4 2 54 mm pitch Any 4 8 ...

Страница 25: ... SMD0805 Any 7 3 R6 R7 R8 47 kΩ SMD0805 Any 8 1 VR1 POT 10 kΩ 3 8 square top adjust triangular pattern pins Bourns 9 5 C1 C6 C8 C12 C13 100 nF SMD0805 Any 10 1 C2 4 7 µF 25 V tantalum EIA 3528 21 size B Any 11 2 C3 C4 22 pF or 33 pF SMD0805 Any 12 3 C7 C9 C10 1 µF tantalum EIA 3216 18 size A Any 13 2 C5 C11 2 2 µF tantalum EIA 3528 21 size B Any Switches 1 4 SW1 SW2 SW3 SW4 2 pin switch TACT switc...

Страница 26: ...4 SW3 Input 0 Input 0 PA5 SW4 Input 0 Input 0 PA6 D4 LED Output 1 Output 1 PA7 D3 LED Output 1 Output 1 Port B PB0 POT VR1 PIN No 3 Input 0 Input 0 PB1 CFG2 Output 0 Output 0 PB2 SUS_5V Output 0 Output 1 PB3 Q1 On off 0 To turn on Q1 Output 0 Output 1 PB4 CON_5V Output 1 Output 1 PB5 CFG1 Output 0 Output 0 PB6 D2 LED Output 0 Output 1 PB7 D1 LED Output 1 Output 1 Port C PC0 CFG4 Output 0 Output 0 ...

Страница 27: ...ations Term Description ADC Analog to digital converter GUI Graphical user interface HID Human interface devices PC Personal computer USB Universal serial bus VBUS USB bus supply voltage 5 V VIF System interface supply voltage VPU Pull up supply voltage www BDTIC com ST ...

Страница 28: ...Revision history UM0529 28 29 9 Revision history Table 19 Document revision history Date Revision Changes 04 Jun 2008 1 Initial release www BDTIC com ST ...

Страница 29: ...F MERCHANTABILITY FITNESS FOR A PARTICULAR PURPOSE AND THEIR EQUIVALENTS UNDER THE LAWS OF ANY JURISDICTION OR INFRINGEMENT OF ANY PATENT COPYRIGHT OR OTHER INTELLECTUAL PROPERTY RIGHT UNLESS EXPRESSLY APPROVED IN WRITING BY AN AUTHORIZED ST REPRESENTATIVE ST PRODUCTS ARE NOT RECOMMENDED AUTHORIZED OR WARRANTED FOR USE IN MILITARY AIR CRAFT SPACE LIFE SAVING OR LIFE SUSTAINING APPLICATIONS NOR IN ...

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