Freescale Semiconductor KIT34825EPEVME Скачать руководство пользователя страница 11 | Manualshive

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ID

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SW3

DTSHW-67N

SW3

DTSHW-67N

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DTSHW-67N

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DTSHW-67N

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R4

806.0

R4

806.0

R5

806.0

R5

806.0

R1

2.0K

R1

2.0K

SW1

DTSHW-67N

SW1

DTSHW-67N

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2

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4

R2

604

R2

604

R

L

J3

3.5mm STEREO JACK

R

L

J3

3.5mm STEREO JACK

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R6

604K

R6

604K

SW2

DTSHW-67N

SW2

DTSHW-67N

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4

R3

604

R3

604

5V

D-

D+

ID

G

J2

USB_5_MINI_AB_SKT

5V

D-

D+

ID

G

J2

USB_5_MINI_AB_SKT

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S2

5

S1

S3

S4

R

L

J1

3.5mm STEREO JACK

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L

J1

3.5mm STEREO JACK

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SW4

DTSHW-67N

SW4

DTSHW-67N

1

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4

KIT34825EPEVME Evaluation Board

, Rev. 2.0

Freescale Semiconductor

11

Hardware Description

Figure 8. The Schematic for the Audio Accessory with Remote Control Buttons

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Содержание KIT34825EPEVME

Страница 1: ...E Evaluation Board Figure 1 KIT34825EPEVME Evaluation Board Table of Contents 1 Kit Contents Packing List 2 2 Important Notice 3 3 Introduction 4 4 Hardware Description 6 5 Software Description 12 6 Using the Evaluation Kit 18 7 KIT34825EPEVME Board Layout 22 8 KIT34825EPEVME Evaluation Board Bill of Material 24 9 References 26 10 Revision History 27 ...

Страница 2: ...KIT34825EPEVME Evaluation Board Rev 2 0 2 Freescale Semiconductor Kit Contents Packing List 1 Kit Contents Packing List KIT34825EPEVME Evaluation Board 1 Standard USB A to B cable 1 CD34825 1 ...

Страница 3: ...e date of delivery and will be replaced by a new kit Freescale reserves the right to make changes without further notice to any products herein Freescale makes no warranty representation or guarantee regarding the suitability of its products for any particular purpose nor does Freescale assume any liability arising out of the application or use of any product or circuit and specifically disclaims ...

Страница 4: ...The Typical Application Circuit of 34825 The evaluation kit is designed to work together with a PC running Microsoft Windows for easy demonstration or evaluation All baseband signals in Figure 2 are generated by the evaluation kit with the help from the PC so the user does not need to provide special equipment The 34825 evaluation board contains an MCU block to generate the I2C signals to control ...

Страница 5: ...m 2 7 to 5 5V VBUS from 2 8 to 28V VDDIO from 1 65 to 3 6V All baseband signals generated in the evaluation kit with a PC An on board USB to I2C interface acting as an I2C host Powered and controlled by one USB port LEDs status indication of the OUT and the ISET On board accessory and remote control simulators Can be directly jump connected to a real cell phone PCB for evaluation 5 inch x 4 inch b...

Страница 6: ...TP3 TP4 and TP5 to the cell phone PCB and the above jumpers should be disconnected 4 1 2 Audio Signals The audio signals include the microphone MIC signal and the stereo speaker SPK_L and SPK_R signals These three signals are connected to the microphone and the stereo audio jacks 4 1 3 UART Signals The UART signals are connected to the MCU on the evaluation board via jumpers J16 and J17 as well as...

Страница 7: ...26 J16 J16 1 2 R42 1K R42 1K TP4 TP4 J8 J8 1 2 TP3 TP3 TP13 TP13 Q3 FDV303N Q3 FDV303N 1 2 3 Q1 FDV303N Q1 FDV303N 1 2 3 J4 J4 1 2 R37 1K R37 1K R L U5 3 5mm STEREO JACK R L U5 3 5mm STEREO JACK 1 2 3 4 TP20 TP20 DS1 RED LED DS1 RED LED 2 1 DS3 RED LED DS3 RED LED 2 1 R36 4 7k R36 4 7k Q4 FDV303N Q4 FDV303N 1 2 3 J9 J9 1 2 R39 1K R39 1K J13 J13 1 2 R41 4 7k R41 4 7k TP23 TP23 TP16 TP16 TP27 TP27 T...

Страница 8: ...ematic of the accessory simulator Resistor R16 to R34 represent all supported ID resistors R16 and R17 are in series with the remote control key resistors to form the correct ID resistors Shorting one pair of the headers in J2 is equivalent to connecting one ID resistor to the ID pin The headers of 39 and 40 in J2 are connected to the DP and DM pins of the 34825 Shorting these two headers is equiv...

Страница 9: ...K R10 2 0K R10 2 0K R3 2 0K R3 2 0K R29 49 9K R29 49 9K R34 10 R34 10 KIT34825EPEVME Evaluation Board Rev 2 0 Freescale Semiconductor 9 Hardware Description Figure 5 The Schematic for the Remote Control and the Accessory Simulator VPP PTA0 PTE3 RST RST VPP PTE3 PTA0 PTA2 PTA3 PTA1 PTA1 PTA2 PTA3 TxD RxD VDD_5V I2C_SCL I2C_SDA INTB V_CON VDD_5V VDD_5V VDD_5V VDD_5V R49 1 5K R49 1 5K C11 22PF C11 22...

Страница 10: ... two audio jacks for a microphone and a stereo headphone a mini USB connector and the ID resistors for the five buttons and the audio accessory The audio jacks are for connecting to a regular headphone microphone combo for computers that is not included in the evaluation kit but can be easily acquired in any computer accessory store The mini USB connector is for connecting to the mini USB connecto...

Страница 11: ...O JACK 1 2 3 4 R6 604K R6 604K SW2 DTSHW 67N SW2 DTSHW 67N 1 2 3 4 R3 604 R3 604 5V D D ID G J2 USB_5_MINI_AB_SKT 5V D D ID G J2 USB_5_MINI_AB_SKT 1 2 3 4 S2 5 S1 S3 S4 R L J1 3 5mm STEREO JACK R L J1 3 5mm STEREO JACK 1 2 3 4 SW4 DTSHW 67N SW4 DTSHW 67N 1 2 3 4 KIT34825EPEVME Evaluation Board Rev 2 0 Freescale Semiconductor 11 Hardware Description Figure 8 The Schematic for the Audio Accessory wi...

Страница 12: ...s already built in The driver will be loaded automatically when the evaluation kit is connected to a USB port for the first time The operating system will indicate the following messages during the first time connection to the USB port The OS will automatically recognize the board and show the product name USB Interface Board information as shown in Figure 9 The OS will recognize the USB device as...

Страница 13: ...in Location It should also show that the device is working properly Figure 12 The Device Status in the Window Device Manager 5 2 Installation and Starting the GUI software The GUI software is an executable file running in Windows 2000 or a later OS The file name is 34825Demo exe The Windows Media Player is required to be installed to run the GUI software In order to demonstrate the remote control ...

Страница 14: ...e are two system buttons as shown in Figure 14 The one on the right is the close button to exit the GUI software when clicked The one on the left side is a Show Hide button when clicked to show or hide the information window 5 3 2 Status information The status information is located at the bottom of the information window This is for indicating the status of the evaluation board If the evaluation ...

Страница 15: ...tton next to each register as shown in Figure 14 For a read and write register a hidden W command button will show up next to the R button when the register value is modified The user can directly modify the bit value in the register map After clicking the W button the new value will be written into the 34825 and the W button will disappear again When the value in the register is not changed the W...

Страница 16: ...length the corresponding key in the GUI shows green color When the key is still pressed when passing the short key timing length the corresponding key shows red color until the key is released When using the remote control simulator on the evaluation board the key S0 S1 S2 S3 and S4 are assigned to Play Pause Previous Next Volume Up and Volume Down function of the Windows Media Player Pressing S0 ...

Страница 17: ...KIT34825EPEVME Evaluation Board Rev 2 0 Freescale Semiconductor 17 Software Description Figure 15 The About Menu Selection ...

Страница 18: ...signals can be easily created with the evaluation kit 6 1 1 I2C host signals The I2C host signals are provided by the MCU in the USB to I2C interface Connect the evaluation board to the PC that runs the GUI software using a USB A to B cable as shown in Figure 16 The I2C host command can be sent from the GUI software via the USB to I2C interface Any interrupt signal from the 34825 can be intercepte...

Страница 19: ...mpers should be removed when using the test points to directly jump the 34825 signals to the customer system board The default configuration for the jumpers is summarized in Table 1 The jumper configuration should stay in the default connections if the on board accessory simulator or the on board remote control is not used J1 J2 J3 J4 J5 J7 J6 J9 J8 J11 J10 J17 J16 J13 J12 J9 shorted to connect 5V...

Страница 20: ...le one can simulate such an accessory with the on board accessory simulator The steps are as following 1 Short pin 39 and pin 40 of J2 2 Short J9 Once J9 is shorted the 5V supply is jumped to the VBUS pin of the mini USB connector The 34825 will see an accessory with D and D shorted and a 5V on the VBUS pin and hence recognizes it as a dedicated charger J16 J17 Open TxD and RxD signals Not support...

Страница 21: ... If the user has an additional audio accessory a stereo headphone with a microphone and the 5 button remote control as described in section 4 4 Please refer to Figure 16 for the construction of the audio accessory When attached to the mini USB connector the audio accessory is recognized by the 34825 and the Identification Result in the GUI shows Audio R C representing an audio accessory with remot...

Страница 22: ...emiconductor KIT34825EPEVME Board Layout 7 KIT34825EPEVME Board Layout 7 1 Overview Figure 18 The Overview of the KIT34825EPEVME Evaluation Board 7 2 Top Side Silkscreen Layer Figure 19 The Top Side Silk Screen Layer of the KIT34825EPEVME Evaluation Board ...

Страница 23: ...v 2 0 Freescale Semiconductor 23 KIT34825EPEVME Board Layout 7 3 Top Side Layer Figure 20 Top Side Layer of the KIT34825EPEVME Evaluation Board 7 4 Bottom Side Layer Figure 21 The Bottom Side Layer of the KIT34825EPEVME Evaluation Board ...

Страница 24: ...806 0 RES MF 806 0 OHM 1 10W 1 0603 KOA SPEER 12 1 R8 1 21k RES MF 1 21K 1 10W 1 0603 KOA SPEER 13 1 R12 2 43k RES MF 2 43k 1 10W 1 0603 KOA SPEER 14 1 R13 2 8k RES MF 2 8k 1 10W 1 0603 KOA SPEER 15 1 R14 3 24k RES MF 3 24k 1 10W 1 0603 KOA SPEER 16 2 R2 R15 3 57k RES MF 3 57k 1 10W 1 0603 KOA SPEER 17 1 R16 976 0k RES MF 976 0k 1 10W 1 0603 KOA SPEER 18 1 R17 590 0k RES MF 590 0k 1 10W 1 0603 KOA...

Страница 25: ...V SOT 23 FAIRCHILD 42 1 U1 FAN2500S33X 3 3V 100 mA CMOS LDO SOT23 5 FAIRCHILD Push buttons Jumpers and Connectors 43 1 SW1 DTSHW 67N SW SPST NO PB WSH 12VDC 50MA TH DIPTRONICS 44 1 J1 HDR_2x13 HDR 2X13 TH 100MIL CTR 330H AU SAMTEC 45 1 J2 HDR_2x20 HDR 2X20 TH 100MIL CTR 330H AU SAMTEC 46 13 J3 J13 J16 J17 SHORT_100mil CON 2 JUMPER MALE 2 54MM SP 157H AU PRECI DIP 47 1 J14 USB_TYPE_B CON 2X2 USB_TY...

Страница 26: ...le products and application solutions Description URL Data Sheet www freescale com files analog doc data_sheet MC34825 pdf Freescale s Web Site www freescale com Freescale s Analog Web Site www freescale com analog Freescale s Power Management Web Site www freescale com powermanagement Freescale s Automotive Applications Web Site www freescale com automotive ...

Страница 27: ...KIT34825EPEVME Evaluation Board Rev 2 0 Freescale Semiconductor 27 Revision History 10 Revision History REVISION DATE DESCRIPTION OF CHANGES 1 0 8 2010 Initial Release ...

Страница 28: ...n in this document Freescale Semiconductor reserves the right to make changes without further notice to any products herein Freescale Semiconductor makes no warranty representation or guarantee regarding the suitability of its products for any particular purpose nor does Freescale Semiconductor assume any liability arising out of the application or use of any product or circuit and specifically di...

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