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2-4

AT73C246-EK1 Evaluation Kit User Guide

11047A–PMAAC–08-Apr-10

2.6

Power Supply

The AT73C246-EK1 is supplied by an external power supply connected on P1 (positive supply) and P2
(ground).

Figure 2-2.

Power Supply Diagram

Note:

This power supply input is NOT protected against polarization inversion.

Figure 2-3.

Vin Supply Pad (P1 & P2)

Connect the power supply (+) to P1 and the ground (-) to P2.

Note:

Keep G1 soldered to insure connection between the AGND (analog ground on P2) and
DGND (digital ground).

Table 2-1.

Electrical Supply Requirements

Power supply source

Min

Max

Unit

On P1 pad

(minimum 1 A for fully operation)

3.1

5.5

LDO 6

LDO 5

LDO 4

LDO 3

LDO 2

BUCK 0

BUCK 1

AT73C246

POWER MANAGMENT

VDD1

VDD2

VDD3

VDD4

VBACKUP

VDDC

VDD0

VIN

WAKEUP0

HRST

PWREN

AT73C246-EK1

VBACKUP

AGND

VDD0

Min 1A for

fully operation

Содержание AT73C246-EK1

Страница 1: ...11047A PMAAC 08 Apr 10 AT73C246 EK1 Evaluation Kit User Guide ...

Страница 2: ...1 2 AT73C246 EK1 Evaluation Kit User Guide 11047A PMAAC 08 Apr 10 ...

Страница 3: ...tion board 2 2 2 5 Block Diagram 2 3 2 6 Power Supply 2 4 2 7 Communication Interfaces 2 5 2 7 1 Communication Interfaces Header J15 2 5 2 8 Audio Interfaces 2 6 2 9 Output Voltages 2 7 2 10 Input Output Signals 2 8 2 10 1 ADC 2 8 2 10 2 CLK32K RTC Output Clock 2 8 2 10 3 LED 2 8 2 10 4 Wakeup Push Buttons 2 9 2 10 5 LDOs Optional Programming Enable 2 9 Section 3 AT73C246 EK1 Software Interface 3 ...

Страница 4: ...tware installation 4 2 4 4 2 To turn off the USB to Serial Card 4 2 4 5 Identification LEDs 4 2 4 6 Serial Interfaces Header 4 3 Section 5 Technical Specifications 5 1 5 1 AT73C246 EK1 5 1 Section 6 PCB Layout 6 1 6 1 AT73C246 EK1 6 1 Section 7 Schematics 7 1 Section 8 Revision History 8 1 8 1 Revision History 8 1 ...

Страница 5: ...C246 EK1 This board is designed to allow an easy evaluation of the products using demonstration software To increase its capabilities for demonstration this standalone board has two serial interfaces TWI and I S via a dedicated connector Manual Startup Reset Control Input Audio Connectors 4 x ADC Inputs RTC and Output Supply Voltages Terminals This user guide acts as a general getting started guid...

Страница 6: ...o 16 32 Ohm 20mW stereo headset 3 5mm jack connector 1 stereo line in 3 5mm jack connector 1 auxiliary in 3 5mm jack connector 1 stereo line output 3 5mm jack connector Stereo microphone inputs with bias generator On board power supply resources DCDC0 0 8 3 6V 600mA DCDC1 0 8 3 6V 600mA LDO2 0 8 1 9V 300mA LDO3 2 7 3 6V 200mA LDO4 2 7 3 6V 200mA LDO5 2 5V 10mA Backup battery charger and RTC supply...

Страница 7: ...AAC 08 Apr 10 1 3 Deliverables The AT73C246 EK1 package contains the following items 1 An AT73C246 EK1 board Figure 1 1 AT73C246 EK1 Top View card photo The AT73C246 is located in the center of the AT73C246 EK1 on the Components Side 2 USB Interface card ...

Страница 8: ...73C246 EK1 Evaluation Kit User Guide 11047A PMAAC 08 Apr 10 3 USB cable 4 20 pins flat cable 5 One CD ROM containing the product s user guide full datasheet and ready to use GUI and Com mand line applications ...

Страница 9: ...AT73C246 EK1 Evaluation Kit User Guide 1 5 11047A PMAAC 08 Apr 10 Figure 1 2 AT73C246 EK1 Components Side ...

Страница 10: ...1 6 AT73C246 EK1 Evaluation Kit User Guide 11047A PMAAC 08 Apr 10 ...

Страница 11: ...are needed 1 The AT73C246 EK1 evaluation board itself 2 A DC 2 9V to 5 5V connected to Vin pad output power source for main supply minimum 1 A are required for fully operation 3 The USB interface card with its USB cable and 20 pins flat cable 4 Input Output devices Headset Microphone etc 5 PC station with a USB connection i e Universal Serial Bus for command communication via USB interface card 2 ...

Страница 12: ... Interfaces on page 2 6 Connect DC power supply on P1 and P2 Connect the USB cable between the PC and the USB Interface card and when the PC requests an inf driver point to CompositeCDCSerial inf in USB Driver folder Connect the 20 pins flat cable between the to USB Interface card header and the AT73C246 EK1 board Launch the AT73C246 software test interface by clicking on AT73C246 exe and follow i...

Страница 13: ...gram LDO 6 LDO 5 LDO 4 LDO 3 LDO 2 BUCK 0 BUCK 1 POWER MANAGMENT VDD1 VDD2 VDD3 VDD4 VBACKUP VDDC VDD0 CLK32K VIN AT73C246 20 Pins Header I S TWI AUDIO CODEC 4 Pins Header Headset Out Line Out Line In Aux In Mic In R Mic In L WAKEUP0 HRST PWREN ADC 0 to 4 AT73C246 EK1 From Extended Card or Microcontroller RSTB ITB LED ...

Страница 14: ... Vin Supply Pad P1 P2 Connect the power supply to P1 and the ground to P2 Note Keep G1 soldered to insure connection between the AGND analog ground on P2 and DGND digital ground Table 2 1 Electrical Supply Requirements Power supply source Min Max Unit On P1 pad minimum 1 A for fully operation 3 1 5 5 V LDO 6 LDO 5 LDO 4 LDO 3 LDO 2 BUCK 0 BUCK 1 AT73C246 POWER MANAGMENT VDD1 VDD2 VDD3 VDD4 VBACKUP...

Страница 15: ... If using another interface then the USB Communication Box the VDD3 or VDD0 should be connect on J15 by soldering a 0 ohms resistor on its pads see VPAD Selection AT73C246 EK1 Schematic Power Supply Page on page 7 5 Table 2 2 Communication Interface Header Pins Assigning Pin N Signal Name Description Pin N Signal Name Description 1 WAKEUP3 2 Vin Not Used 3 WAKEUP2 4 DGND Digital Ground 5 WAKEUP1 6...

Страница 16: ... input Auxiliary Input connected to J4 3 5mm jack Line Input connected to J3 3 5mm jack Line Output connected to J2 3 5mm jack Headset Output connected to J1 3 5mm jack Please consult the product data sheet for setup options and requirements Figure 2 5 Microphones Inputs J5 and J6 Figure 2 6 Audio Inputs and Outputs J1 J2 J3 and J4 Microphone Left Input Microphone Right Input Auxiliary Input Line ...

Страница 17: ...int by the following list VDD0 J8 0 8 3 6V 600mA VDD1 J9 0 8 3 6V 600mA VDD2 J12 0 8 1 9V 300mA VDD3 J13 2 7 3 6V 200mA VDD4 J19 2 7 3 6V 200mA VBACKUP J10 2 5V 10mA an additional connector J11 is available for rechargeable coin type battery Figure 2 7 Output Voltages Test Points J8 J8 J12 J13 J19 Figure 2 8 VBACKUP and VCOIN J10 and J11 VDD3 VDD2 VDD1 VDD0 VDD4 VBACKUP VCOIN ...

Страница 18: ... analog signal to ADC connector J14 Figure 2 9 ADC connector J14 2 10 2 CLK32K RTC Output Clock The AT73C246 EK1 provides measuring the internal oscillator frequency J7 Figure 2 10 CLK32K J7 2 10 3 LED The programmable output LED pin can be visualize by the on board led D1 Figure 2 11 LED D1 ADC 0 to 3 RTC Output Clock Led ...

Страница 19: ...73C246 in ON PWREN Pressing it for 5 sec start stop the AT73C246 WAKEUP0 Pressing it once enable the sequence in PMU_WAKEUP_EVENMENT register On the other hand when the AT73C246 in ON pressing it for 1 second switch the AT73C246 into standby mode Programming Jumper Figure 2 12 Wakeup Push Buttons SW2 SW3 and SW4 2 10 5 LDOs Optional Programming Enable Close J20 before any access to the state machi...

Страница 20: ...2 10 AT73C246 EK1 Evaluation Kit User Guide 11047A PMAAC 08 Apr 10 ...

Страница 21: ...l of your computer and then look for AT91 USB to Serial Converter title in PORTS 2 On setup panel Select Port and required operation Init AT73C246 for initializing card or Exit program Figure 3 1 Login Message 3 1 2 Login Errors USB Communication Issue In software startup In case of Communication Issue check USB cable connectivity and or COM selection Then select Retry or Exit Figure 3 2 Communica...

Страница 22: ...C246 EK1 Evaluation Kit User Guide 11047A PMAAC 08 Apr 10 USB Connection Issue While software runs In case of Connection Issue check USB cable connectivity Then select Retry or Exit Figure 3 3 Connection Issue ...

Страница 23: ...ogrammed by microcontroller This action will startup the following elements Audio Codec for this example the first path is chosen Digital In Headphone Out Power Management Unit Blinking Led Figure 3 4 Software Panel General Purpose Sampling Elements Registers Table Read Registers Command Audio Initialisation Demonstration example ADC Sampling Period ADC Function Serial port OK Product ON Serial po...

Страница 24: ...r 10 Figure 3 5 Software Panel Audio Configuration Figure 3 6 Software Panel Audio Input Output Codec Configuration Codec Standby Codec On Off Path Select I S Configuration Audio Input Control Audio Output Control Audio Input Mixer Headphone Plug In Out Detector ...

Страница 25: ... Apr 10 Figure 3 7 Software Panel Audio Effect Microphone Figure 3 8 Software Panel Audio Volume 3D Effect ADC DAC Control Mono Control De emphasis Filter Headphone Tone Control Microphone Control Path Mute Sidetone Microphone Volume Line Gain Headphone Volume ...

Страница 26: ...ol Standby Setup Wakeup Events Wakeup Trig VDD2 Control VDD3 Control VDD4 Control Product Off In order to startup press PWREN button Led Control Standby Command Product will wakeup according to requestsevents with elements marked in blue Output Voltage Working Mode On Off Command Registers Table Registers Access Data Write Data Read Register Address Write Command Read Command ...

Страница 27: ...s On board resources Standard USB interface 20 leads GPIO connector 12 288MHz Clock output for digital core Serial interfaces Bidirectional buffered USB to SPI Bidirectional buffered USB to TWI Bidirectional buffered USB to I S On board indication leds Power ON Data transmitting 4 2 Electrostatic Warning The USB to Serial Card evaluation board is shipped in protective plastic packaging The board m...

Страница 28: ...valuation board Once the USB to Serial Card properly installed it should operate transparently as if it were a standard cable connection There is no ON OFF switch and all data signals from and to the PC are passed straight through 4 4 2 To turn off the USB to Serial Card Disconnect the USB cable Figure 4 1 USB Side Figure 4 2 GPIO Side 4 5 Identification LEDs The bi color LED indentify the followi...

Страница 29: ...i dirctional signal 4 Ground These pins must be connected between the USB to Serial Card and the sup ported board 5 12 288 MHz Clock The USB to Serial Card s oscillator provides a 12 288MHz clock 3 3V p p via pin 12 This clock is necessary for driving the digital core of the evalu ated board Table 4 1 Serial Interface Header Pins Assigning Pin N Signal Name Description Pin N Signal Name Descriptio...

Страница 30: ...4 4 AT73C246 EK1 Evaluation Kit User Guide 11047A PMAAC 08 Apr 10 ...

Страница 31: ... Section 5 Technical Specifications 5 1 AT73C246 EK1 System Unit AT73C246 EK1 Physical Dimensions L 70 x W 70 x H 20 mm Weight 70 g Operating Conditions External Voltage Supply on Vin Pad 2 9V 5 5V Connections Communication Connector for I S and TWI 2x10 pins Header ...

Страница 32: ...5 2 AT73C246 EK1 Evaluation Kit User Guide 11047A PMAAC 08 Apr 10 ...

Страница 33: ...AT73C246 EK1 Evaluation Kit User Guide 6 1 11047A PMAAC 08 Apr 10 Section 6 PCB Layout 6 1 AT73C246 EK1 Figure 6 1 Layer 1 Components Layer Note Size not to scale ...

Страница 34: ...6 2 AT73C246 EK1 Evaluation Kit User Guide 11047A PMAAC 08 Apr 10 Figure 6 2 Layer 2 Note Size not to scale ...

Страница 35: ...AT73C246 EK1 Evaluation Kit User Guide 6 3 11047A PMAAC 08 Apr 10 Figure 6 3 Layer 3 Note Size not to scale ...

Страница 36: ...6 4 AT73C246 EK1 Evaluation Kit User Guide 11047A PMAAC 08 Apr 10 Figure 6 4 Layer 4 Print Side Note Size not to scale ...

Страница 37: ...AT73C246 EK1 Evaluation Kit User Guide 6 5 11047A PMAAC 08 Apr 10 Figure 6 5 Silk Screen ...

Страница 38: ...6 6 AT73C246 EK1 Evaluation Kit User Guide 11047A PMAAC 08 Apr 10 ...

Страница 39: ...AT73C246 EK1 Evaluation Kit User Guide 7 1 11047A PMAAC 08 Apr 10 Section 7 Schematics Figure 7 1 AT73C246 EK1 Schematic Main Page ...

Страница 40: ...7 2 AT73C246 EK1 Evaluation Kit User Guide 11047A PMAAC 08 Apr 10 Figure 7 2 AT73C246 EK1 Schematic AT73C246 Page ...

Страница 41: ...AT73C246 EK1 Evaluation Kit User Guide 7 3 11047A PMAAC 08 Apr 10 Figure 7 3 AT73C246 EK1 Schematic Audio Interface Page ...

Страница 42: ...7 4 AT73C246 EK1 Evaluation Kit User Guide 11047A PMAAC 08 Apr 10 Figure 7 4 AT73C246 EK1 Schematic Digital Interface Page ...

Страница 43: ...AT73C246 EK1 Evaluation Kit User Guide 7 5 11047A PMAAC 08 Apr 10 Figure 7 5 AT73C246 EK1 Schematic Power Supply Page ...

Страница 44: ...7 6 AT73C246 EK1 Evaluation Kit User Guide 11047A PMAAC 08 Apr 10 ...

Страница 45: ...AT73C246 EK1 Evaluation Kit User Guide 8 1 11047A PMAAC 08 Apr 10 Section 8 Revision History 8 1 Revision History Table 8 1 Revision History Doc Rev Date Comments Change Request Ref 11047A 08 Apr 10 ...

Страница 46: ...8 2 AT73C246 EK1 Evaluation Kit User Guide 11047A PMAAC 08 Apr 10 ...

Страница 47: ...SOEVER AND DISCLAIMS ANY EXPRESS IMPLIED OR STATUTORY WARRANTY RELATING TO ITS PRODUCTS INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTY OF MERCHANTABILITY FITNESS FOR A PARTICULAR PURPOSE OR NON INFRINGEMENT IN NO EVENT SHALL ATMEL BE LIABLE FOR ANY DIRECT INDIRECT CONSEQUENTIAL PUNITIVE SPECIAL OR INCIDEN TAL DAMAGES INCLUDING WITHOUT LIMITATION DAMAGES FOR LOSS OF PROFITS BUSINESS INTERRUPTION...

Страница 48: ...9 2 AT73C246 EK1 Evaluation Kit User Guide 11047A PMAAC 08 Apr 10 ...

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