Atmel AT73C224-EK1 User Manual
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Atmel AT73C224-EK1 User Manual

Atmel AT73C224-EK1 User Manual

Evaluation kit
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Summary of Contents for Atmel AT73C224-EK1

  • Page 1 Chipsmall Limited consists of a professional team with an average of over 10 year of expertise in the distribution of electronic components. Based in Hongkong, we have already established firm and mutual-benefit business relationships with customers from,Europe,America and south Asia,supplying obsolete and hard-to-find components to meet their specific needs.
  • Page 2 AT73C224-EK1 Evaluation Kit ........................User Guide 6439A–PMAAC–13-Feb-09...

  • Page 3: Table Of Contents

    Getting Started ......................2-1 Electrostatic Warning ......................2-1 Requirements........................2-1 PC System Requirements....................2-1 Instructions......................... 2-2 2.4.1 To Start the AT73C224-EK1 Evaluation Board ........... 2-2 2.4.2 To turn off the AT73C224-EK1 Evaluation Board..........2-2 Block Diagram........................2-3 Power Supply........................2-4 2.6.1 Transformer ......................
  • Page 4 Table of Contents (Continued) Section 4 Technical Specifications..................... 4-1 Section 5 PCB Layout ........................ 5-1 Section 6 Schematics......................... 6-1 Section 7 Revision History ......................7-1 Revision History ......................... 7-1 AT73C224-EK1 Evaluation Kit User Guide 6439A–PMAAC–13-Feb-09...

  • Page 5: Introduction

    Section 1 Introduction Congratulations on your purchase of the AT73C224-EK1. It is designed to give designers a quick start to evaluate power management capability of the AT73C224 Analog Companion Power Management Unit and for prototyping and testing of new designs.

  • Page 6: Deliverables

    – Manual/Dynamic Mode Selection – Manual Output Power enabling – GPIO Enable Deliverables The AT73C224-EK1 package contains the following items: An AT73C224-EK1 Board One CD-ROM containing product software, User Guide and a full Datasheet 25-pin standard parallel cable AT73C224-EK1 Evaluation Kit User Guide...
  • Page 7 Figure 1-1. AT73C224-EK1 Top View (card photo) The AT73C224 is located in the center of the AT73C224-EK1 on the Components Side. AT73C224-EK1 Evaluation Kit User Guide 6439A–PMAAC–13-Feb-09...
  • Page 8 Figure 1-2. AT73C224-EK1 Components Side VBAT AT73C224-EK1 VINT CK32 VDDIO VBAT VDD4 VDD3 VCAPN VCAPP VDD0 LOAD VDD2 Auto TP15 TP14 VBAT_LDORTC VBAT Measurements TP10 TP11 GPIO AT73C224-EK1 Evaluation Kit User Guide 6439A–PMAAC–13-Feb-09...

  • Page 9: Getting Started

    II processor 64 MBytes RAM 70 MBytes free hard disk space (for AT73C224 Evaluation Board software installation). Software delivered on the CD with the Evaluation Board can also be found on the AT73C224-EK1 web page. Windows® NT/2000/XP Parallel port (COM port) AT73C224-EK1 Evaluation Kit User Guide 6439A–PMAAC–13-Feb-09...

  • Page 10: Instructions

    Install «DLPORTIO.exe» from the provided software CD and restart your PC. Install the AT73C224 software by clicking on setup.exe. If the software is downloaded from the Atmel web site, it is necessary to first install the National Instrument Labview software (LabVIEW8.0.1RuntimeEngine).

  • Page 11: Block Diagram

    Figure 2-1. AT73C224-EK1 Block Diagram AT73C224-EK1 AT73C224 BOOST Battery (VBAT) BUCK LDO3 LDO4 VO1/VO2 Back-up Battery Parallel SPI/TWI Charger and Port SPI/TWI Level RTC Supply Selection Shifter Backup Battery Active/Static Selection ITB/RDY Manual Switches AT73C224-EK1 Evaluation Kit User Guide 6439A–PMAAC–13-Feb-09...

  • Page 12: Power Supply

    Power Supply The AT73C224-EK1 is supplied with the voltage sources shown below: Figure 2-2. Power Supply Diagram AT73C224-EK1 AT73C224 Battery (VBAT) BOOST BUCK LDO3 LDO4 Back-up Battery Charger and Level RTC Supply Backup Shifter Battery Regulator Transformer 5.5V to 9V 2.6.1...

  • Page 13: Power-Up By A Battery

    1. Connect the Battery (+) to the Battery pad and Battery (-) to GND pad. 2. Close J17 and J5. Figure 2-4. Operating the AT73C224-EK1 With a Battery Battery VBAT 3. Configure the input voltages by closing the following jumpers (J16, J12, J13, J2 and J14): Table 2-3.
  • Page 14 VDDIO VBAT VDD4 VDD3 VCAPN VCAPP VDD0 LOAD VDD2 TP15 TP14 VBAT_LDORTC VBAT 4. Push once on SW1 to enable start-up of the AT73C224. Figure 2-6. Enable Push Button (SW1) GPIO Enable Push button AT73C224-EK1 Evaluation Kit User Guide 6439A–PMAAC–13-Feb-09...

  • Page 15: Dynamic/Static Modes

    Dynamic AT73C224-E Dynamic AT73C224-F Static AT73C224-G Static AT73C224-H Static Dynamic/Static modes selection is done by setting SW6 according to the requested operation. Figure 2-7. Dynamic Mode (SW6) Auto Figure 2-8. Static Mode (SW6) Auto AT73C224-EK1 Evaluation Kit User Guide 6439A–PMAAC–13-Feb-09...

  • Page 16: Dynamic Mode/Communication Interface Set Up

    SPI/TWI interfaces through the parallel port, a transformer needs to be connected to J4, and J88 and J6 jumpers should be closed. Figure 2-10. Communication Port and Jumpers Set Up (J1) VINT VDD3 Parallel VCAPN Port VCAPP Auto AT73C224-EK1 Evaluation Kit User Guide 6439A–PMAAC–13-Feb-09...
  • Page 17 5. Connect the transformer. 6. Connect the parallel port. Figure 2-11. TWI Set Up With Address 48 VINT VDD3 VCAPN VCAPP Auto Figure 2-12. TWI Set Up With Address 49 VINT VDD3 VCAPN VCAPP Auto AT73C224-EK1 Evaluation Kit User Guide 6439A–PMAAC–13-Feb-09...
  • Page 18 2. Set SW4 switches to SPI position. 3. Set SW6 to Auto mode (Dynamic). 4. Connect the transformer. 5. Connect the parallel port. Figure 2-13. SPI Set Up VINT VDD3 VCAPN VCAPP Auto 2-10 AT73C224-EK1 Evaluation Kit User Guide 6439A–PMAAC–13-Feb-09...

  • Page 19: Static Mode

    2.7.2 Static Mode When the AT73C224-EK1 is established in Static Mode, the digital interface signals, D1 to D4, directly drive the enable of the four supplies. There are 3 Static Modes as follows: 2.7.2.1 Fully Static Mode In order to establish Fully Static Mode do the following: 1.
  • Page 20 If ITB/RDY is not connected to the microcontroller, it can be established manually by press- ing once on the push button, SW2. Figure 2-17. GPIO Mode VDD3 VCAPN VCAPP Auto Press once on SW2 to enable ITB/RDY GPIO 2-12 AT73C224-EK1 Evaluation Kit User Guide 6439A–PMAAC–13-Feb-09...

  • Page 21: Real Time Clock (Rtc)

    2. Close J87 jumper (or connect an Ampere meter in serial for current measurements). Figure 2-18. RTC Configurations VBAT Back Up Battery VINT VBAT VDD3 VCAPN VCAPP VDD0 VDD2 Auto VBAT_LDORTC VBAT ™ The coin-cell battery type used in the AT73C224-EK1 is MC621SM from Varta AT73C224-EK1 Evaluation Kit User Guide 2-13 6439A–PMAAC–13-Feb-09...

  • Page 22: On-Board Output Signals

    VDD0 VDD2 Auto VBAT_LDORTC VBAT 2.9.2 CK32 - RTC Output Clock The AT73C224-EK1 provides measurement of the RTC 32 kHz output clock (TP6). Figure 2-20. CK32- RTC Output Clock (TP6) CK32 VDDIO VDD4 2.9.3 VCAPP and VCAPN Figure 2-21. VCAPP and VCAPN (TP12 and TP13)

  • Page 23: Vint

    2.9.4 VINT Figure 2-22. VINT (TP4) VBAT VINT VBAT 2.9.5 Figure 2-23. DL1 (TP14) LOAD TP15 TP14 Measurements TP10 TP11 TP14 2.9.6 Figure 2-24. SW2 (TP15) LOAD TP15 TP14 Measurements TP10 TP11 TP15 AT73C224-EK1 Evaluation Kit User Guide 2-15 6439A–PMAAC–13-Feb-09...

  • Page 24: Voltage Measurements

    Figure 2-26 below for P4 and J20 locations). Figure 2-26. Current Measurement on VBOOS Ground VDDIO for Load VDD4 Regulated output selection Used for Load Connection LOAD TP14 LOAD Test pad for Load Connection 2-16 AT73C224-EK1 Evaluation Kit User Guide 6439A–PMAAC–13-Feb-09...

  • Page 25: At73C224-Ek1 Software Interface

    Clear PMU Status Chosen Interrupts Selective Interrupts TWI/SPI Selection Note: It is a must to configure the on-board switches accordingly to the communication type TWI Address Read/Write Write Read Address line commands Content Content AT73C224-EK1 Evaluation Kit User Guide 6439A–PMAAC–13-Feb-09...
  • Page 26 Software Panel - DC/DC Page Boost Buck Output Buck Output Output Enable Voltage Bypass Enable Buck Power-up Mode Buck Output Resistance (at shutdown) Boost Boost Buck Buck Buck Output Current Output Mode SHORT Level Limitation Level AT73C224-EK1 Evaluation Kit User Guide 6439A–PMAAC–13-Feb-09...

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