SDRAM
Description
The EVK1100 provides a SDRAM connected on the EBI interface of the AT32UC3AO512.
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Pinout
The SDRAM Interface follows the pinout:
| DATAFLASH I/O Interface | GPIO Name | Alternate function used |
|---|---|---|
| A0 | PX 32 | ADD2 |
| A1 | PX 31 | ADD3 |
| A2 | PX 30 | ADD4 |
| A3 | PX 29 | ADD5 |
| A4 | PX 28 | ADD6 |
| A5 | PX 27 | ADD7 |
| A6 | PX 26 | ADD8 |
| A7 | PX 25 | ADD9 |
| A8 | PX 24 | ADD10 |
| A9 | PX 23 | ADD11 |
| SDA10 | PB 16 | SDA10 |
| A11 | PX 21 | ADD13 |
| A12 | PX 20 | ADD14 |
| BA0 | PX 18 | ADD16 |
| BA1 | PX 17 | ADD17 |
| DQML | PX 34 | ADD0 |
| DQMH | PX 11 | NWE1 |
| #WE | PB 14 | _SDWE |
| #CAS | PB 13 | _CAS |
| #RAS | PB 12 | _RAS |
| #CS | PX 14 | NCS1 |
| CKE | PB 11 | SDCKE |
| CLK | PB 10 | SDCK |
| DQ0 | PX 10 | DATA0 |
| DQ1 | PX 09 | DATA1 |
| DQ2 | PX 08 | DATA2 |
| DQ3 | PX 07 | DATA3 |
| DQ4 | PX 06 | DATA4 |
| DQ5 | PX 05 | DATA5 |
| DQ6 | PX 04 | DATA6 |
| DQ7 | PX 03 | DATA7 |
| DQ8 | PX 02 | DATA8 |
| DQ9 | PX 01 | DATA9 |
| DQ10 | PX 00 | DATA10 |
| DQ11 | PX 39 | DATA11 |
| DQ12 | PX 38 | DATA12 |
| DQ13 | PX 37 | DATA13 |
| DQ14 | PX 36 | DATA14 |
| DQ15 | PX 35 | DATA15 |
see below the hardware schematic :
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