SD_CONFIG_REG2 (IOU_SLCR) Register Description
| Register Name | SD_CONFIG_REG2 |
|---|---|
| Offset Address | 0x0000000320 |
| Absolute Address | 0x00FF180320 (IOU_SLCR) |
| Width | 32 |
| Type | mixedMixed types. See bit-field details. |
| Reset Value | 0x0FFC0FFC |
| Description | SD Configuration, Reg 2. |
SD_CONFIG_REG2 (IOU_SLCR) Register Bit-Field Summary
| Field Name | Bits | Type | Reset Value | Description |
|---|---|---|---|---|
| Reserved | 31:30 | razRead as zero | 0x0 | Reserved. Writes are ignored, read data is zero. |
| SD1_SLOTTYPE | 29:28 | rwNormal read/write | 0x0 | Should be set based on the final product usage 00 - Removable SD Card Slot 01 - Embedded Slot for One Device 10 - Shared Bus Slot 11 - Reserved |
| SD1_ASYCINTR | 27 | rwNormal read/write | 0x1 | Asynchronous Interrupt Support 1: Asynchronous Interrupt Supported 0: Asynchronous Interrupt not Supported |
| SD1_64BIT | 26 | rwNormal read/write | 0x1 | 64-bit System Bus Support This should be set based on the System Address Bus. When set to 1'b0 the Core supports only 32-bit System Bus. When set to 1'b1 the Core supports 64-bit System Address. |
| SD1_1P8V | 25 | rwNormal read/write | 0x1 | 1.8V Support 1: 1.8V supported 0: 1.8V not supported support |
| SD1_3P0V | 24 | rwNormal read/write | 0x1 | 3.0V Support 1: 3.0V supported 0: 3.0V not supported support |
| SD1_3P3V | 23 | rwNormal read/write | 0x1 | 3.3V Support 1: 3.3V supported 0: 3.3V not supported support |
| SD1_SUSPRES | 22 | rwNormal read/write | 0x1 | Suspend/Resume Support 1: Suspend/Resume Supported 0: Suspend/Resume not supported |
| SD1_SDMA | 21 | rwNormal read/write | 0x1 | SDMA Support 1: SDMA Supported 0: SDMA not supported |
| SD1_HIGHSPEED | 20 | rwNormal read/write | 0x1 | High Speed Support 1: High Speed Supported 0: High Speed not supported |
| SD1_LPD_DMA2 | 19 | rwNormal read/write | 0x1 | LPD_DMA2 Support 1: LPD_DMA2 is supported 0: Application doesn't want to support LPD_DMA2 Mode |
| SD1_8BIT | 18 | rwNormal read/write | 0x1 | 8-bit Support for Embedded Device 1: The Core supports 8-bit Interface 0: Supports only 4-bit SD Interface |
| SD1_MAXBLK | 17:16 | rwNormal read/write | 0x0 | Max Block Length Maximum Block Length supported by the Core/Device 00: 512 (Bytes) 01: 1024 10: 2048 11: Reserved |
| Reserved | 15:14 | razRead as zero | 0x0 | reserved |
| SD0_SLOTTYPE | 13:12 | rwNormal read/write | 0x0 | Should be set based on the final product usage 00 - Removable SD Card Slot 01 - Embedded Slot for One Device 10 - Shared Bus Slot 11 - Reserved |
| SD0_ASYCINTR | 11 | rwNormal read/write | 0x1 | Asynchronous Interrupt Support 1: Asynchronous Interrupt Supported 0: Asynchronous Interrupt not Supported |
| SD0_64BIT | 10 | rwNormal read/write | 0x1 | 64-bit System Bus Support This should be set based on the System Address Bus. When set to 1'b0 the Core supports only 32-bit System Bus. When set to 1'b1 the Core supports 64-bit System Address. |
| SD0_1P8V | 9 | rwNormal read/write | 0x1 | 1.8V Support 1: 1.8V supported 0: 1.8V not supported support |
| SD0_3P0V | 8 | rwNormal read/write | 0x1 | 3.0V Support 1: 3.0V supported 0: 3.0V not supported support |
| SD0_3P3V | 7 | rwNormal read/write | 0x1 | 3.3V Support 1: 3.3V supported 0: 3.3V not supported support |
| SD0_SUSPRES | 6 | rwNormal read/write | 0x1 | Suspend/Resume Support 1: Suspend/Resume Supported 0: Suspend/Resume not supported |
| SD0_SDMA | 5 | rwNormal read/write | 0x1 | SDMA Support 1: SDMA Supported 0: SDMA not supported |
| SD0_HIGHSPEED | 4 | rwNormal read/write | 0x1 | High Speed Support 1: High Speed Supported 0: High Speed not supported |
| SD0_ADMA2 | 3 | rwNormal read/write | 0x1 | ADMA2 Support 1: ADMA2 is supported 0: Application doesn't want to support ADMA2 Mode |
| SD0_8BIT | 2 | rwNormal read/write | 0x1 | 8-bit Support for Embedded Device 1: The Core supports 8-bit Interface 0: Supports only 4-bit SD Interface |
| SD0_MAXBLK | 1:0 | rwNormal read/write | 0x0 | Max Block Length Maximum Block Length supported by the Core/Device 00: 512 (Bytes) 01: 1024 10: 2048 11: Reserved |