AT89C5131 Hardware User Guide
Contents
1. NFCON1 NFCON2 Pin Function Pin Function 4 WP0 4 WP1 5 VCC 5 D7 6 CLE 6 D6 7 ALE 7 D5 8 R B1 8 D4 9 CE0 9 D3 10 R B0 10 D2 11 CE1 11 D1 12 RE 12 D0 13 WE 13 GND Refer to the CD ROM documentation if you wish to create your own PCB board and mount devices on this board BOM and components placement Each module can receive up to four different devices according to the following placement Table 2 3 NAND Flash devices placement a Zila Nia a a a AMEL SIL CON 2 2 9 7740A AVR 07 07 Using the ATEVK525 NF Module Installation Figure 2 5 NAND Flash module on the ATEVK525 plus MMC card AVR Wass Storage Board ATMEL CORP c2007 HOM zemp TET III T VR ATMEL w r mE E When using the NAND Flash module the following pin assignments do not change Data Address bus CLE ALE RE WE WP Write Protect feature drives all the chips at the same time Other signal assignments are grouped in the following table Table 2 4 NAND Flash module pin assignment Function Chip select for chip 0 active low on board pull up Chip select for chip 1 active low on board pull up Chip select for chip 2 active low on board pull up Chip select for chip 3 active low on board pull u2. AIMEL ATEVK525 User Guide 2 1 3 2 2 2 2 1 Protection circuitry NAND Flash Default device ATEVK525 User Guide Using the ATEVK525 The ATEVK525 includes an optional power supply protection circuit that prevents on board resources from being damaged Figure 2 3 Power protection circuit location This supplement if mounted protects the storage devices from voltage above 3 5V In case of overvoltage detection the power positive line of the extension board is not connected to devices and the LED FAIL is lit If the supplement is not mounted or needs to be disabled the solder pad SP1 must be soldered to connect power supply of the on board resources see photo above The ATEVK525 comes with one NAND Flash chip soldered At the time of writing this chip is the Micron MT29F2G08AACWP that features m 2GBits 256 MBytes organized as 2048 blocks block size 64 pages page size 2112 bytes 2048 64 in spare zone m Page program time of 300us Block erase time of 2ms m Copy Back feature enable cache transfers between blocks to speed up write operation no memory zone address limitation The memory access is managed by the External Memory Interface hardware peripheral of the AT90USBxxx microcontroller Data and Address information share the same 8 bit wide bus connected to the lowest bits of Memory Interface A7 A0 while the Control signals are connected to upper bits AMEL a 77
3. Introduction Congratulations on acquiring the AVR ATEVK525 This kit an extension board designed to enhance and demonstrate Mass Storage features in addition to the existing development boards supporting the AT90USBxxx family This document describes the ATEVK525 dedicated to the AT90USBxxx AVR microcontroller This board is designed to allow an easy evaluation of USB Mass Storage using demonstration software The ATEVK525 board has been designed to be plugged into the Atmel STK525 Starter Kit Board in order to add Mass Storage capability to an existing development board and to combine them with other features USB RS232 Microphone but also all AVR development tools reducing the extension board complexity and cost This user guide acts as a general getting started guide as well as a complete technical reference for advanced users 1 3 7740A AVR 07 07 Introduction Figure 1 1 ATEVK525 Storage Boord x fo 1 2 ATEVK525 AVR Mass Storage Board Features 1 4 7740A AVR 07 07 The ATEVK525 provides the following features NAND Flash chip soldered Micron MT29F2G08AACWP 256 MBytes Reserved location additional NAND Flash chips module plug in Receptacle for SD and MMC memory cards LED signalling for Read Write operations Power supply 3 3V regulated from motherboard Additional overvoltage protection circuitry optional with failure indicator Numerous access points for debug A
4. 18 19 60 RF Automotive Theresienstrasse 2 Postfach 3535 74025 Heilbronn Germany Tel 49 71 31 67 0 Fax 49 71 31 67 2340 1150 East Cheyenne Mtn Blvd Colorado Springs CO 80906 USA Tel 1 719 576 3300 Fax 1 719 540 1759 Biometrics Imaging Hi Rel MPU High Speed Converters RF Datacom Avenue de Rochepleine BP 123 38521 Saint Egreve Cedex France Tel 33 4 76 58 30 00 ASIC ASSP Smart Cards Zone Industrielle 13106 Rousset Cedex France Tel 83 4 42 53 60 00 Fax 83 4 42 53 60 01 Chinachem Golden Plaza Fax 33 4 76 58 34 80 77 Mody Road Tsimshatsui East Kowloon Hong Kong Tel 852 2721 9778 Fax 852 2722 1369 1150 East Cheyenne Mtn Blvd Japan Colorado Springs CO 80906 USA 9F Tonetsu Shinkawa Bldg Tel 1 719 576 3300 1 24 8 Shinkawa Fax 1 719 540 1759 Chuo ku Tokyo 104 0033 Japan Scottish Enterprise Technology Park Tel 81 3 3523 3551 Menus E Building Fax 81 3 3523 7581 East Kilbride G75 OQR Scotland Tel 44 1355 803 000 Fax 44 1355 242 743 Literature Requests www atmel com literature Disclaimer The information in this document is provided in connection with Atmel products No license express or implied by estoppel or otherwise to anyintellectu alproperty right is granted by this document or in connection with the sale of Atmel products EXCEPT AS SET FORTH IN ATMEL S TERMS AND CONDI TIONS OF SALE LOCATED ON ATMEL S WEB SITE ATMEL ASSUMES NO LIABILITY W
5. Main problems should be solved here This guide assumes that the board driver file provided by Atmel is used Figure 4 1 Troubleshooting Guide Problem ATEVK525 does not Work Reason or Condition Bad power supply Problem Solution Check the power supply source level 8 3V on VCC testpoint Board not correctly mounted Check that the board has been mounted in the correct sense If the board is over the STK525 check that the ZIF socket is not perturbed by it Same thing for the JTAG plug if used Protection circuit problem If the PWR FAIL LED is lighting ON whereas the voltage you measure on VCC is correct bypass the protection circuitry solder SP1 NAND Flash device onboard chip only does not work Additional module is mounted The onboard memory chip cannot be accessed while the optional NAND Flash module is mounted since two memories will share their chip select signal Chip select resistor not mounted Check that the R10 resistor is correctly mounted else the chip will never be selected NAND Flash device additional module does not work Chip select resistor still mounted Check that the R10 resistor is not mounted else both onboard chip and module chip are selected at the same time Module not correctly mounted Check if the module is correctly mounted Use preferentially a socket ATEVK525 User Guide 4 21 7740A AVR 07 07 T
6. of drives and memory type associated goto goto bookmark df get free space information rm delete all files in the directory Isusb get information about the connected device in host mode only suspend suspend USB bus activity resume resume USB bus activity reboot reset the aplication This package is also included on the CD ROM as a password protected archive Please refer to the CD ROM documentation to know the procedure to follow to register and access the source code Note At first board start up the on board memory chip need to be formatted by the Host oper ating system A MEL ATEVK525 User Guide Software Implementation 3 2 Performances 3 2 1 Benchmark Table 3 1 Memory speed benchmark 8MHz clocked microcontroller Mino Speed KBytes sec Read Write DataFlash AT45DB321 page 512B 200 35 AT45DB642 page 1024B 200 55 MMC SD SD 1GB 80x 235 235 SD 256MB 215 155 MMC Plus 2GB Premium 235 170 MMC 2 old revision 215 50 NAND Flash M29F2G008AAC page 2KB copyback 1095 860 K9K2G08UOM page 2KB copyback disabled 1005 660 HYF31DS512805 page 512B no copyback 1110 590 Note 1 The AVR micro controller cannot be clocked at 16MHz since this configuration requires a 4 5V minimum power supply whereas NAND Flash or SD MMC devices do not withstand such a voltage level on l Os However DataFlash are 5V tolerant and speed measurements have been done ind
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8. rows with grey background color specify that the corresponding component is not mounted by default power protection circuit NAND Flash socket 7 28 AIMEL ATEVK525 User Guide 7740A AVR 07 07 7 0 1 Default Configuration Summary ATEVK525 User Guide Table 7 2 Default Configuration summary Complete Schematics Name Ref Function State Solder PADS PWR SP1 Power protection circuit bypassing SOLDERED Configuration PADS R nB2 CP1 Connect R nB signal from 2 CLOSED R nB3 CP2 Connect R nB signal from NF 3 CLOSED Optional components Power See Cut power supply if gt 3 5V and lights on NOT MOUNTED Protection BOM PWR_FAIL LED Circuit NANDFlash 42 44 Allow plug unplug of the optional NAND Flash NOT MOUNTED socket module AMEL 7 29 7740A AVR 07 07 AIMEL m Atmel Corporation 2325 Orchard Parkway San Jose CA 95131 USA Tel 1 408 441 0311 Fax 1 408 487 2600 Regional Headquarters Europe Atmel Sarl Route des Arsenaux 41 Case Postale 80 CH 1705 Fribourg Switzerland Tel 41 26 426 5555 Fax 41 26 426 5500 Asia Room 1219 Atmel Operations Memory 2325 Orchard Parkway San Jose CA 95131 USA Tel 1 408 441 0311 Fax 1 408 436 4314 Microcontrollers 2325 Orchard Parkway San Jose CA 95131 USA Tel 1 408 441 0311 Fax 1 408 436 4314 La Chantrerie BP 70602 44306 Nantes Cedex 3 France Tel 33 2 40 18 18 18 Fax 33 2 40
9. the same SPI bus this is not the case here the driver can interlace the memory pages to enhance write speed For contiguous sector write operations the driver switches to the next memory as soon as a page programming operation has been started on the current memory Inb this way two or four contiguous pages 2 KBytes or 512 Bytes according to the memory reference are allocated on different memories Like the DataFlash driver no substantial modifications should be required The SD and MMC specification should remain backward compatible with the old releases so that this driver only exploits the basic functionalities of the specifications in order to be compatible even with old memories However several enhancements can be done to enhance operational timing write read particularly using multiple block read write instructions in a software way or by implementing SD Bus operation in a more hardware way The NAND Flash technology and the consumer request for continually faster and larger devices conduce to numerous enhancements of memories structure and thus memory management drivers Limitations m The COPYBACK feature is not address dependent in the current driver version This means that the instruction is used by the driver to copy a page into another without regards to the page addresses But due to higher capacities more and more new devices support COPYBACK on limited zones only for example a COPYBACK operation may o
10. 40A AVR 07 07 Using the ATEVK525 Table 2 1 NAND Flash pin assignment NAND Flash Microcontroller Function VO 7 0 PORTA 7 0 7 0 Data and Address bus CLE PORTCO A8 Command Latch Enable ALE PORTC1 A9 Data Latch Enable RE PORTE1 RD Read enable WE PORTEO WR Write enable CE PORTC2 A10 Chip select active low with on board pull up R B PORTC6 Ready Busy pull up must be enabled in micro Note The character indicates that the corresponding signal is active low 2 2 2 Additional devices NAND Flash Module Description another memory device is required for development or evaluation purpose it is still possible to install it on the ATEVK525 through an additional module as described below The board provides two SIP 13 receptacle footprints 2 54mm pitch Users can solder a receptacle on the board and then insert a NAND Flash module described below or directly solder the module Figure 2 4 NAND Flash module example NFCON1 j NFCON2 an Z PTD Zaad Mec 12 1 III 15i NUT 925 I5 Table 2 2 NAND Flash module pin out description NFCON1 NFCON2 Pin Function Pin Function 1 WP2 1 WP3 2 CE3 2 R B3 3 CE2 3 R B2 2 8 7740A AVR 07 07 AMEL ATEVK525 User Guide ATEVK525 User Guide Using the ATEVK525
11. ATEVK525 Mass Storage Board for AVR Hardware User Guide AMEL mw AMEL ATEVK525 User Guide User Guide Section 1 TTD 1 3 H 1 3 1 2 525 AVR Mass Storage Board 1 4 Section 2 Using the ATEVK525 Rn 2 5 2 1 Getting started scssi sinaia ia a Bai aa EE Ea 2 5 2 2 NAND Plas Mm 2 7 2 3 SD MMC Caldonatii eases hee 2 11 24 2 12 2 9 5 G E 2 12 2 6 Configuration Pads 2 13 2 Solder Pads suisse eset eei iode ae 2 14 Section 3 Software Implemehlall fi 3 15 3 1 Software packages 3 15 3 2 em 3 17 3 3 Driver 3 18 3 4 Usage 3 19 3 5 Handling another NAND Flash device 3 19 Section 4 Troubleshooting Guide etr 4 21 Section 5 Technical Specifications 5 23 Section 6 Technical SUDDOFL 6 24 Section 7 Complete 7 25 1 7740A AVR 07 07 AMEL 1 1 Overview ATEVK525 User Guide Section 1
12. HATSOEVER AND DISCLAIMS ANY EXPRESS IMPLIED OR STATUTORYWAR RANTY RELATING TO ITS PRODUCTS INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTY OF MERCHANTABILITY FITNESS FOR A PARTICU LARPURPOSE 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 OR LOSS OF INFORMA TION ARISING OUTOF THE USE OR INABILITY TO USE THIS DOCUMENT EVEN IF ATMEL HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAM AGES Atmel makes norepresentationsor warranties with respect to the accuracy or completeness of the contents of this document and reserves the right to make changes to specificationsand product descriptions at any time without notice Atmel does not make any commitment to update the information contained herein Unless specifically provided otherwise Atmel products are not suitable for and shall not be used in automotive applications Atmel s products are not intended authorized or warranted for useas components in applications intended to support or sustainlife 2007 Atmel Corporation All rights reserved Atmel logo and combinations thereof and Everywhere You Are are the trademarks or regis tered trademarks of Atmel Corporation or its subsidiaries Other terms and product names may be trademarks of others Printed on recycled paper 7740A AVR 07 07 xM
13. MEL ATEVK525 User Guide ATMEL Section 2 Using the ATEVK525 This chapter describes the board and all its features 2 1 Getting started 2 1 1 Plugging the board The ATEVK525 is an extension board that must be plugged on another microcontroller hosting board like STK525 AT90USBxxx support that provides supply voltage Figure 2 1 Connecting the ATEVK525 under the STK525 UMIRA Note The ATEVK525 can also be plugged onto the STK525 but in this configuration the user must take care to avoid contact between the board and either the JTAG plug or the microcontroller ZIF socket ATEVK525 User Guide 2 5 7740A AVR 07 07 Using the ATEVK525 2 1 2 Power supply 2 6 7740A AVR 07 07 The ATEVK525 must be powered with a voltage between 2 8 and 3 5V Before connecting or powering the boards you must ensure the power supply configuration on the motherboard The voltage must be set to 3 3V microcontroller levels and this voltage must be present on the VTG pins of the EXPAND connectors On the STK525 the configuration must be JP4 closed ties 3 3V to VTG pins VCC SOURCE set to REG 3 3 mode powers microcontroller I O at 3 3V Figure 2 2 Configuration to set on STK525 NAND Flash MT29F2G08AACWP current consumption is 1mA maximum in idle state and can reach 30mA 15mA typ during access operations read write erase For the SD MMC card consumption please refer to your SD MMC card datasheet
14. by software when initiating a SCSI Read command Figure 2 7 On board SCSI signalling LEDs AMEL WRITE READ 1 face Seat Sees j LES 2 5 Test Points Several test points are included on the board to facilitate debug during development All the test points are circular pads with a silk screen printing that indicates the corresponding signal VCC power supply voltage should be 3 3V taken after the power protection circuit GND power supply ground SD MISO SD MMC card MISO signal card output SD MOSI SD MMC card MOSI signal card input SD SCK SD MNC clock signal SD CS SD MMC chip select signal active low NF CLE NAND Flash CLE signal NF ALE NAND Flash ALE signal NF RE NAND Flash RE signal NF WE NAND Flash WEZ signal 2 12 AIMEL ATEVK525 User Guide 7740A AVR 07 07 Using the ATEVK525 2 6 Configuration Pads Configuration pads are used to disconnect connect on board peripherals or elements Their default configuration is connect 2 6 1 Configuration Pads Listing Table 2 6 Configuration Pads Config Pads Function Reference g Connect Ready notBusy signal from 2 third NF of the on optionnal module to STK525 Connect Ready notBusy signal from NF 3 fourth NF of the PEE optionnal module STK525 Note See section 2 2 2 Additional devices for more details 2 6 2 Configuration Pads Disconnection F
15. ded with the kit m USB Dual Role Host Device with FAT support and Shell 1 In Device mode B connector plugged the package is identical to the first package that enumerates three hardware storage volumes through the USB In Host mode A connector plugged the application allows connecting one USB mass storage device In both modes the STK525 can be connected to a serial terminal using HyperTerminal on PC side for example where the user can access a simple command line interpreter ushell to perform file system access FAT man agement included in software 57600 bps 8 bits data 1 bit stop no parity no flow control Navigation in the file system on board memories or USB Mass Storage device connected to the USB Host interface supports following commands b goto selected drive 3 15 7740A AVR 07 07 Software Implementation 3 16 7740A AVR 07 07 cd dirname change to specified directory Is list current directory content touch filename create an empty file append filename add text to the specified file mark bookmark current directory cp filename copy filename to bookmark rm filename erase file or empty directory format drivename format the drive deltree drivename delete recursively a directory cat filename display file content cd come back to previous directory mount disk mount drive a b mkdir filename create a directory disk get number
16. e AVR Studio help menu PC operating system and version build PC processor type and speed A detailed description of the problem 6 24 7740A AVR 07 07 AMEL Section 7 Complete Schematics On the next pages the following documents of ATEVK525 are shown m Complete schematics m Assembly drawing m Bill of materials m Default configuration summary ATEVK525 User Guide 7 25 7740A AVR 07 07 Complete Schematics owusu 15 lt wos 5 i os 03 zeeu eq asnu Burrdnoo q Lo au 55 HOLOSNNOO OWW as ouur sou 1s gt T x28 Figure 7 1 Schematics 1 of 1 55 as 1soW xos as gar osi as zar au 2I 03 ze u eq asnu F aaan TV 4N L i dMOVVSODZA6ZIA 923 n p qunou sr seii jr 3 1sea aeprosun 0 NOD axa 2 9 TE zt 02d Ot 29 Bt pod x 8T 9T x lt awa 9va
17. ependently of this evaluation board for 45DB321 write speed is 40KB sec and read speed is 300KB sec For 45DB642 write speed is 80KB sec and read speed is 300KB sec 2 the 2 08 device the COPYBACK instruction cannot be used in all the memory plane since it is efficient only between size limited zones This problem con cern several other memorie devices 3 2 2 Direct limitations m The limitations on reading operations are Dataflash SPI bus frequency internal read access speed SD MMC SPI bus frequency internal read access speed NAND Flash USB maximum data rate m The limitations on writing operations are Dataflash internal write access speed page write duration amp size SPI bus frequency SD MMC internal write access speed and duration SPI bus frequency NAND Flash memory internal writing structure COPYBACK support or not page write and block erase duration page size USB maximum data rate ATEVK525 User Guide AIMEL 3 17 7740A AVR 07 07 Software Implementation 3 3 Driver limitations 3 3 1 DataFlash 3 3 2 SD MMC 3 3 3 NAND Flash 3 18 7740A AVR 07 07 This is a mature driver that will not need to be substantially modified This driver has been tested with the AT45DB321 and AT45DB642 If you look at the code you will notice a special memory page management if 2 or 4 Dataflash devices are used on the same bus In the case of 2 or 4 DataFlash sharing
18. ick on the corresponding button near the clock in the Windows task bar to Safely remove hardware This will force the O S to flush all the write operations that are needed to end the Mass Storage device access If such an operation is not made it is possible that the last write operations are not completed and since these operation often concern the File Allocation Table the device integrity can be damaged B When using the NAND Flash media as a storage device when all the operations seem to be completed Windows safe eject etc all the data to be written is inside the NAND Flash driver But there is a limitation that must been taken in account When a page 512B or 2BK has to be updated in the memory all the corresponding blocks each block contains 64 pages for example is copied to a new free block and the required page is modified during the copy To end this operation of block translation all the pages up to the modified one are programmed But to precede an optional contiguous write operation the pages that end the block the block tail are not yet programmed They will be programmed if the next operation is a Read or a Write to a page that is not contained in the same block So before powering down the Mass Storage board the software cannot predict if the last BLOCK COPY TAIL operation has been done Thus the user must call the void nf usb stop void function from nf mngt c file In the current package this function is aut
19. igure 1 Configuration Pad Disconnection Cut Connection 2 6 3 Configuration Pads Connection Figure 2 Configuration Pad Re connection Drop of solder Wire AMEL 7740A AVR 07 07 ATEVK525 User Guide Using the ATEVK525 2 7 Solder Pads 2 7 1 Solder Pads Listing 2 14 7740A AVR 07 07 Solder pads are used to disconnect connect on board peripherals or elements Their default configuration is disconnect User may solder the pad to enable it Table 2 7 Solder Pads Solder Pads Reference SP1 Related Signals VCC This solder pad allows power protection circuit bypassing If this optional circuit is not mounted this solder pad must be soldered Function AMEL ATEVK525 User Guide AMEL Section 3 Software Implementation This section contains information about the software package its performance and known limitations 3 1 Software packages ATEVK525 User Guide When you have connected the boards together and correctly checked their configuration you are invited to run one of the available demonstration packages m USB Device External Multi Disk Drives The board enumerates as a USB composite Mass Storage device and combines three external removable mass storage media MMC SD memory card reader depends on card used NAND Flash 256MB default otherwise depends on chip used disk DataFlash 8 MB disk This package can be found on the CD ROM provi
20. ng parallel data bus width Regardless of their differences all SD MMC cards have the following common points m SPI mode through a standard SPI bus that method reduces the transfert speed but is easy to implement The alternate access method is a parallel mode m Command set cards have numerous commands that are common enough to completely control the memory Only the initialization process is different but a standard procedure automatically enables card identification and initialization Be aware of the card specification version information contained in the CSD structure of the card before using advanced features password protect etc Table 2 5 SD MMC card pin assignment in SPI mode Pin SD MMC Card Function in SPI Mode AVR MCU 1 CS Chip Select active low PORTB 0 2 DI SPI Master Out Slave In PORTB 2 MOSI 3 VSS Ground Gnd 4 VDD Supply Voltage 5 SCK SPI Clock PORTB 1 SCK 6 VSS Ground Gnd 7 DO SPI Master In Slave Out PORTB 3 MISO AMEL 2 11 7740A AVR 07 07 Using the ATEVK525 2 4 LEDs Three LEDs are on the board PWR FAIL orange LED that signals an overvoltage condition if the protection circuit is mounted This LED is optional WRITE red LED connected to PORTD7 of micro also LED1 on STK525 that may be driven by software when initiating a SCSI Write command READ green LED connected to PORTD5 of micro also LED3 on STK525 that may be driven
21. nly be possible between two blocks that share the same half device plane or between odd or even blocks numbers This may be due to internal structure of memory two memory planes one over the other for example So the COPYBACK feature must be disabled in the driver for devices that impose restrictions about it m ECC Error Correction Code is not implemented in the driver A basic ECC can detect 2 bit error and correct 1 bit error per 256 or 512 bytes However such a feature can still be added to the driver The ECC implementation may result in a compromise between data reliability and speed performance Another feature that should be implemented next is the Recovery option This option prevents user halts or disconnections during write operations from destroying the memory File System structure by recovering the data lost in the last write A MEL ATEVK525 User Guide 3 4 Usage Notes Software Implementation operations W Also the support of more than one memory chip facilitating memories interlacing is not yet integrated in the driver That also concerns memories that are made of several memory dies stacked generaly memories of 4GBits and more Supported device list supported devices are listed in the NH F file of the driver Please read these notes carefully Once your file modifications create copy delete have been made on the Mass Storage device always eject the device properly Under Windows O S you must cl
22. omatically called when USB Suspend or Disconnect condition is detected that does not work in Bus powered application 3 5 Handling another NAND Flash device ATEVK525 User Guide If a new NAND Flash device must be supported the user must use the NF MODULE location on the board to plug a NAND Flash board on which the required device is soldered Once the hardware modifications are done R10 unsoldered there are software modifications to be done according to the NAND Flash device structure file if your device is already included in the supported devices list you have nothing to do in this file if your device is not included in the supported devices list you must add it using the same description structure that other devices m AMEL 7740A AVR 07 07 Software Implementation if you want to use only one other memory reference you must define the memory name For example the board comes with the default configuration Zdefine TYPE MT29F2G08AACWP if you want to use different modules with different memory references without modifying the driver you must enable to TRUE either NF AUTO 2 or AUTO DETECT 5128 according to the page size of the memory 3 20 AIMEL ATEVK525 User Guide 7740A AVR 07 07 AIMEL T lt lt Section 4 Troubleshooting Guide Please refer to this guide before sending a request to AVR Technical Support
23. p Ready Busy for chip 0 pull up to enable in micro Ready Busy for chip 1 pull up to enable in micro Ready Busy for chip 2 pull up to enable in micro Ready Busy for chip 3 pull up to enable in micro NAND Flash Microcontroller CE0 PORTC2 A10 CE1 A11 CE2 PORTC4 A12 CE3 PORTC5 A13 R B0 PORTC6 R B1 PORTC7 R B2 PORTD0 R B3 PORTD1 Note 2 10 7740A AVR 07 07 1 When using the additional module the resistor R10 must be unsoldered else the CE lines of the NAND Flash soldered and the NAND Flash 0 of the mod ule will be connected together not applicable if NF 0 is not mounted on the module When using the additional module check that the configuration pads that enable CTS RTS lines on STK525 are not soldered because these signals are also con nected to the 2 amp But if CTS RTS lines are required you cannot use the R B 2 amp 3 signals so disable the configuration pads CP1 amp CP2 of the ATEVK525 AMEL ATEVK525 User Guide 2 3 SD MMC Card ATEVK525 User Guide Using the ATEVK525 The ATEVK525 includes a receptacle compatible with SD and MMC memory cards Figure 2 6 SD card pinout contact view Note BEEN 812345678 The MMC card defined by specification v3 31 and earlier have only the pins 1 to 7 2 The MMC card defined by specification v4 0 and later MMC Plus Extra has 13 pins increasi
24. roubleshooting Guide Problem neason or Problem Solution Condition Check the insertion direction It can sound stupid but that can happen to Bad physical contact anybody SD MMC does not work Check that the connector is not too old Memories are not immortal Check the Memory failure memory card with another memory reader 4 22 AIMEL ATEVK525 User Guide 7740A AVR 07 07 AMEL Section 5 Technical Specifications B System Unit B Operating Conditions Internal Voltage Supply a 3 3V 10 External Voltage Supply 3 3V 10 100 m Features Flash nnani nanana MT29F2G08AACWP MMC SD receptacle Additional NAND Flash devices support Embedded signalling LEDs Optional power protection circuit ATEVK525 User Guide 5 23 7740A AVR 07 07 AMEL ATEVK525 User Guide Section 6 Technical Support For Technical support please contact avr atmel com When requesting technical support please include the following information Which target AVR device is used complete part number Target voltage and speed Clock source and fuse setting of the AVR Programming method ISP Parallel or specific Boot Loader Hardware revisions of the AVR tools found on the PCB Version number of AVR Studio This can be found in th
25. tor SMD 3216 3 C3 C6 C7 10nF Ceramic multi layer 10nF capacitor SMD 0805 2 C4 C5 1nF Ceramic multi layer 1nF capacitor SMD 0805 DIODES 1 D1 HSMC C170 Red LED WRITE SMD 0805 1 D2 HSMG C170 Green LED READ SMD 0805 1 D3 HSML C170 Orange LED PWR_FAIL SMD 0805 CONNECTORS 2 J1 J3 M20 6102005 PC104 2x20 pin through hole female press fit stackable 2 54mm pitch connector 1 J5 FPS009 3001 Yamaichi SD MMC Connector with manual eject See DS 2 J2 J4 SIP13 2 54mm pitch socket for NAND Flash module 2 54mm pitch CONFIGURATION 2 CP1 CP2 Configuration Pad Enabled by default Can be disabled cutting it N A 1 SP1 Solder Pad Disabled by default Can be enabled with a solder drop N A 10 TP1 TP10 Test Point Solder or touch the testpoint with a probe Circular pad RESISTORS 2 R1 R11 47 KOhms Resistor 0 1W 1 47 KOhms SMD 0805 2 R5 R7 47 KOhms Resistor 0 1W 196 47 KOhms SMD 0805 2 R2 R3 820 Ohms Resistor 0 1W 1 820 Ohms SMD 0805 1 R12 820 Ohms Resistor 0 1W 1 820 Ohms SMD 0805 1 R4 150 KOhms Resistor 0 1W 1 150 KOhms SMD 0805 1 R6 10 KOhms Resistor 0 1W 1 10 KOhms SMD 0805 2 R8 R10 0 Ohms Resistor 0 Ohms strap SMD 0805 1 R9 75 KOhms Resistor 0 1W 1 75KOhms SMD 0805 INTEGRATED CIRCUITS 1 U1 LM393M Double comparator open collector output SO 8 1 U2 LM385M3 1 2 Voltage reference 1 235V SOT 23 1 U3 MT29F2G008AACWP 256Mx8bits NAND Flash memory TSSOP 48 1 Q1 Si2301BDS P Channel low Vgs amp Rds on FET transistor SOT 23 Note The
26. vaa saa i Laa EE a L amu Zt taa m Z zo 67 n bi muU ZI Is zea caa EZ n Lt 5 LEID lissw am lt SZ vaa saa 22 028 7 giis owsu Sod VLL L oau aN UT SE SZ Laa TZ Od Oaou aN lt YT auo X ALIYM HE a pm P LT z efe rran ZID 4N Sar 2 EE sas 20A 8 o xs EXE OSA ET oTa foam aw t PD eva EL S r Jes zaou_an x ss VE ism iN eau aN z T 5 x swuxa LE T Noo lt TRIN md T SF ano UND E Z amp NOO 4N vD MLP TW L o4 ATEVK525 User Guide MEL 7 26 7740A AVR 07 07 5 Figure 7 2 Assembly Drawing 1 of 1 component side view NVdX3 2 lt gt lI K IIIIWI lt ICI E AVR Mass Storage Board ATMEL CORP C 2007 GNIS ATEVK525 User Guide AIMEL 7 27 7740A AVR 07 07 Complete Schematics Table 7 1 Bill of Materials Qtty Part Reference Description Case CAPACITORS 1 C1 1 Tantalum 1uF 16V capacitor SMD 3216 2 C2 C8 4 7uF Tantalum 4 7uF 16V capaci
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