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The SD Socket is routed to the on-board Texas Instruments TXS02612 SDIO port expander U4. This IC provides a necessary VDD/VCCIO translation between the MicroSD Card socket J4 (3.3V) and the SoM's Zynq device MIO-bank (1.8V/3.3V depending on Module, compare jumper J13 ):
Scroll Title |
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anchor | Table_SIP_SD |
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title | SD IO interface signals |
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Scroll Table Layout |
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orientation | portrait |
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sortDirection | ASC |
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repeatTableHeaders | default |
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style | |
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widths | |
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sortByColumn | 1 |
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sortEnabled | false |
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cellHighlighting | true |
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SD IO Signal Schematic Name | Connected to | Note |
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eSD_DAT0 | U4-18 | SD IO data | eSD_DAT1 | U4-16 | SD IO data | eSD_DAT2 | U4-23 | SD IO data | eSD_DAT3 | U4-22 | SD IO data | eSD_CLK | U4-19 | SD IO clock | eSD_CMD | U4-20 | SD IO command | MIO0 | J5-29 | Card Detect signal |
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The TE0706 Carrier Board is equipped with a Texas Instruments TXS02612 SDIO Port Expander, which is needed for voltage translation due to different voltage levels of the Micro SD Card and the PS MIO-bank of the Zynq device of the mounted SoM. The Micro SD Card has 3.3V signal voltage level, but the PS MIO-bank on the Xilinx Zynq module has VCCIO of 1.8V or 3.3V depending on the attached module. this This has to beselected be selected by J13.
Scroll Title |
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anchor | Table_OBP_SDIO |
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title | SDIO Port Expander |
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Scroll Table Layout |
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orientation | portrait |
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sortDirection | ASC |
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repeatTableHeaders | default |
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style | |
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widths | |
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sortByColumn | 1 |
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sortEnabled | false |
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cellHighlighting | true |
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SD-Card Signal Schematic Name | SD-Card Connected to | Connected to | SD IO Signal Schematic Name | B2B | Note |
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eSD_DAT0 | U4-18 | U4-6 | SD_DAT0 | JB1-24 | SD IO data | eSD_DAT1 | U4-16 | U4-7 | SD_DAT1 | JB1-22 | SD IO data | eSD_DAT2 | U4-23 | U4-1 | SD_DAT2 | JB1-20 | SD IO data | eSD_DAT3 | U4-22 | U4-3 | SD_DAT3 | JB1-18 | SD IO data | eSD_CLK | U4-19 | U4-9 | SD_CLK | JB1-28 | SD IO clock | eSD_CMD | U4-20 | U4-4 | SD_CMD | JB1-26 | SD IO command | MIO0 | - | - | - | JB1-88 | Card Detect signal |
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Scroll Title |
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anchor | Figure_TS_PD |
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title | Physical Dimension |
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Scroll Ignore |
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draw.io Diagram |
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border | true |
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viewerToolbar | true |
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fitWindow | false |
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diagramName | AD_TE0706-03 |
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simpleViewer | false |
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width | |
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diagramWidth | 640 |
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revision | 1 |
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Currently Offered Variants
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Scroll Title |
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anchor | Table_RH_DCH |
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title | Document change history. |
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Scroll Table Layout |
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orientation | portrait |
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sortDirection | ASC |
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repeatTableHeaders | default |
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style | |
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widths | |
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sortByColumn | 1 |
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sortEnabled | false |
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cellHighlighting | true |
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Date | Revision | Contributors | Description |
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Page info |
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| modified-date |
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| modified-date |
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dateFormat | yyyy-MM-dd |
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| Page info |
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infoType | Current version |
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prefix | v. |
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type | Flat |
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showVersions | false |
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| Martin Rohrmüller | - Updated to REV03
- Updated to TRM v28
| 2018-06-03 | v.66 | John Hartfiel | | 2017-11-10 | v.64 | John Hartfiel | - Replace B2B connector section
| 2017-11-09 | v.60 | Ali Naseri | - TRM revision to new common style
| | v.52 | Ali Naseri, Jan Kumann | - Hardware revision 02 specific changes.
| 2017-01-06 | v.1 | Ali Naseri | - initial document to board revision 02
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