Atmel AT73C224-EK1 User Manual Download Page 1

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Summary of Contents for AT73C224-EK1

Page 1: ...ss mainly focus on the distribution of electronic components Line cards we deal with include Microchip ALPS ROHM Xilinx Pulse ON Everlight and Freescale Main products comprise IC Modules Potentiometer...

Page 2: ...6439A PMAAC 13 Feb 09 AT73C224 EK1 Evaluation Kit User Guide...

Page 3: ...turn off the AT73C224 EK1 Evaluation Board 2 2 2 5 Block Diagram 2 3 2 6 Power Supply 2 4 2 6 1 Transformer 2 4 2 6 2 Power up By A Battery 2 5 2 7 Dynamic Static Modes 2 7 2 7 1 Dynamic Mode Communi...

Page 4: ...Continued ii AT73C224 EK1 Evaluation Kit User Guide 6439A PMAAC 13 Feb 09 Section 4 Technical Specifications 4 1 Section 5 PCB Layout 5 1 Section 6 Schematics 6 1 Section 7 Revision History 7 1 7 1 Re...

Page 5: ...ripheral Interface SPI via Parallel Port This User Guide acts as a general getting started aid as well as a complete technical reference for advanced users This document uses as reference the AT73C224...

Page 6: ...TWI or in Static Mode ITB Signal Indicating the Beginning of Shutdown Very Low Quiescent Current Minimum External Components Count Supply from 3V to 5 5V typ Li Ion Battery 3V to 4 2V Available in a...

Page 7: ...AT73C224 EK1 Evaluation Kit User Guide 1 3 6439A PMAAC 13 Feb 09 Figure 1 1 AT73C224 EK1 Top View card photo The AT73C224 is located in the center of the AT73C224 EK1 on the Components Side...

Page 8: ...C24 VDD3 C14 C1 GND J4 C5 C20 C7 ITB C11 POK U1 D4 VO1 VO1 C9 C12 VO1 R4 L1 L3 VO2 EN C16 X1 TP10 Vbg F S t a t VO1 Man Auto S P I A V O 1 V B A T C15 D2 C26 Q1 GPIO R2 R6 L2 C17 MC1 VO3 LOAD J17 VO4...

Page 9: ...1 The AT73C224 EK1 evaluation board itself 2 DC output power source Transformer 5 5V to 9V DC max minimum 200 mA is required External power supplies and or battery typ Li Ion Battery 3V to 4 2V see Ta...

Page 10: ...trument Labview software LabVIEW8 0 1RuntimeEngine Configure the on board jumpers and switches as described in the relevant paragraphs 1 Section 2 6 Power Supply on page 2 4 2 Section 2 7 Dynamic Stat...

Page 11: ...ck Diagram BOOST LDO3 LDO4 BUCK SPI TWI Back up Battery Charger and RTC Supply SPI TWI Selection Battery VBAT AT73C224 AT73C224 EK1 VO1 POK ITB VO1 VO3 VO4 VO2 VBK Active Static Selection Manual Switc...

Page 12: ...nput voltage on this connector should be included between 5 5V and 9V Note This power supply input is NOT protected against polarization inversion Figure 2 3 Transformer Connector J4 BOOST LDO3 LDO4 B...

Page 13: ...ery to GND pad 2 Close J17 and J5 Figure 2 4 Operating the AT73C224 EK1 With a Battery 3 Configure the input voltages by closing the following jumpers J16 J12 J13 J2 and J14 Table 2 2 Battery Types Ba...

Page 14: ...h Button SW1 VBAT GND C4 VDD0 V O 4 V B A T C13 VBAT VDD3 C14 C1 C5 C7 C11 U1 VO1 C9 C12 VO1 L1 L3 VO2 C16 X1 Vbg VO1 V O 1 V B A T C15 Q1 R2 L2 C17 VO3 LOAD VDD2 C6 C2 VO1 VO2 C8 VO4 C3 VCAPP J14 J20...

Page 15: ...24 version Please consult the following table for the available version Dynamic Static modes selection is done by setting SW6 according to the requested operation Figure 2 7 Dynamic Mode SW6 Figure 2...

Page 16: ...2 9 Direct Programing The SPI TWI communication protocols are described in the AT73C224 data sheet In all cases of using the SPI TWI interfaces through the parallel port a transformer needs to be con...

Page 17: ...mode Dynamic 5 Connect the transformer 6 Connect the parallel port Figure 2 11 TWI Set Up With Address 48 Figure 2 12 TWI Set Up With Address 49 C31 SW4 C22 C23 D1 T W I VINT VDD3 R4 S P I R8 VCAPP R9...

Page 18: ...and J88 jumpers 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 C31 SW4 C22 C23 D1 T W I VINT VDD3 R4 S P...

Page 19: ...Set SW3 to Fully Static Mode Figure 2 14 Fully Static Mode 2 7 2 2 Configurable Static Mode In order to establish Configurable Static Mode do the following 1 Set SW6 switches to Manual Mode 2 Set SW3...

Page 20: ...GPIO Mode Architecture 3 Set SW6 to Manual Mode 4 Set SW3 to Fully Static Mode 5 Connect ITB RDY and POK on J7 to C Note If ITB RDY is not connected to the microcontroller it can be established manua...

Page 21: ...umper or connect an Ampere meter in serial for current measurements Figure 2 18 RTC Configurations The coin cell battery type used in the AT73C224 EK1 is MC621SM from Varta VBAT SW6 SW4 C22 C23 D1 VDD...

Page 22: ...output clock TP6 Figure 2 20 CK32 RTC Output Clock TP6 2 9 3 VCAPP and VCAPN Figure 2 21 VCAPP and VCAPN TP12 and TP13 VBAT SW6 D1 VDD0 D1 C13 C14 C5 C7 D4 VO1 C16 Vbg Man Auto A C17 VDD2 C2 C8 VCAPP...

Page 23: ...2 23 DL1 TP14 2 9 6 SW2 Figure 2 24 SW2 TP15 T W I VINT VBAT C11 X1 VO1 R2 MC1 J17 VBAT C3 R8 R9 C18 SW7 TP4 J87 P1 J12 VBK TP4 VO3 TP11 C13 C1 VO1 C16 TP10 L2 LOAD C2 Measurements DL1 TP9 TP15 D1 SW2...

Page 24: ...per meter and a load resistor in serial to the load pad P4 and close with a jumper the output voltage that you wish to measure in J20 The P3 pad can be use as a Ground pad see Figure 2 26 below for P4...

Page 25: ...mmands Shut Down Button Bad connection between PC and AT73C224 Message Box Good connection between PC and AT73C224 Message Box Turn Off Application Real Time Interrupts Chosen Interrupts Selective Int...

Page 26: ...C 13 Feb 09 Figure 3 2 Software Panel DC DC Page Boost Current Limitation Boost Output Level Boost Output Enable Buck Output Enable Buck Output Level Buck SHORT I Buck Mode Buck Power up Mode Buck Out...

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