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DivaEVB-Lite is a carrier board designed to host [[Diva SOM|Diva system-on-module]]. It can also act as an adaptation board used in combination with [[:Category:Dacu|Dacu]] carrier board. Therefore two different versions exist that are a little bit different.
=== DivaEVB -Lite Standalone version ===
[[File:Diva-evb-01.png|300px|frameless|border]]
[[File:Divaevb-lite-bd.png|500px|frameless|border]]
=== DivaEVB -Lite for Dacu ===
[[File:Divaevb-divelk 01.png|300px|frameless|border]]
[[File:Divelk 03.png|500px]]
==Booting options==
Diva module is built upon AM335x processor. This component supports several booting options that are summarized [[Hardware_Manual_(Diva)#Boot_Options|here]]. Reading of that section is recommended for understanding this document.
In general, AM335x ROM code creates a booting device list that are scanned for searching an available booting image.
===Available options===
Boot modes can be selected by S3 switches which acts directly on SYSBOOT configuration pins.
S3 switches are mapped to SYBOOT[3:0] pins allowing different boot modes.
{|class="wikitable" style="text-align: center;"
|-
!S3 switch
!SYSBOOT pin
|-
| S3.5 || SYSBOOT3
|-
| S3.6 || SYSBOOT2
|-
| S3.7 || SYSBOOT1
|-
| S3.8 || SYSBOOT0
|}
<b>N.B.</b> bit set to 0 means DIP SWITCH has to be set to ON position.
==== Boot from NOR example ====
* SYSBOOT[3:0] = 0111 set S3[5:8] switches to ON-OFF-OFF-OFF
[[File: Sysboot.png | 400px]]
Same example can be found in the following table:
{|class="wikitable" style="text-align: center;"
|-
!SYBOOT[3:0]
!Boot sequence
!Notes
|-
| 0111|| MMC0/SPI0/UART0 ||'''Default''' boot from NOR SPI
|-
| 0011|| NAND/NANDI2C/MMC0||boot from NAND
|-
| 1001|| SPI0/MMC0/EMAC1||boot from EMAC if DIVA has no NOR and no NAND on board
|-
|}
==Schematics==
PDF files show statically the BOM variants used to manufacture different versions of the board (if any). Components that are not populated are denoted as "Do Not Stuff".}}
* ORCAD: http://wwwmirror.dave.eu/systemdiva/filesschematics/areadivaevb-riservata/DIVAEVB-LITElite-1.0.3-DIVELK-dsn.zip
* PDF
** DivaEVB-Lite for DACU: http://wwwmirror.dave.eu/systemdiva/filesschematics/area-riservata/divaevb-lite-1.0.3_S3-S.DIVELK.L.SEVBDL1000C.1.0.23.pdf** DivaEVB-Lite standalone: http://wwwmirror.dave.eu/systemdiva/filesschematics/area-riservata/divaevb-lite-1.0.3_S3-S.EVBDL0000C1REVBDL0000C.1.0.0.pdf
==BOM==
* DivaEVB-Lite for DACU: http://wwwmirror.dave.eu/systemdiva/filesschematics/area-riservata/divaevb-lite_BOM_S.DIVELK.L.S.-EVBDL1000C-1.0.23.CSV_csv_.zip
==Layout==
* http://wwwmirror.dave.eu/systemdiva/filesschematics/area-riservata/divaevb-lite-CS143112A_component_view.pdf
==Mechanical==
* DXF: http://wwwmirror.dave.eu/systemdiva/files/area-riservatamechanicals/divaevb-lite_2D_CS143112A.zip* IDF (3D): http://wwwmirror.dave.eu/system/filesdiva/area-riservatamechanicals/divaevb-lite_3D_CS143112A.zip