device_features
Features and optional commands supported by the connected ONFI or Toggle device.
| Module Instance | Base Address | Register Address |
|---|---|---|
i_nand__reg_apb__10b80000__rf_controller_params__SEG_L4_MP_nand_s_0x0_0x10000
|
0x10B80800
|
0x10B80818
|
Size: 32
Offset: 0x18
Access: RO
Important: The value of a reserved bit must be maintained in software. When you modify registers containing reserved bit fields, you must use a read-modify-write operation to preserve state and prevent indeterminate system behavior.
| Bit Fields | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 31 | 30 | 29 | 28 | 27 | 26 | 25 | 24 | 23 | 22 | 21 | 20 | 19 | 18 | 17 | 16 |
|
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| 15 | 14 | 13 | 12 | 11 | 10 | 9 | 8 | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 |
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device_features Fields
| Bit | Name | Description | Access | Reset |
|---|---|---|---|---|
| 31:16 |
optional_commands
|
This field is a copy of bytes 8-9 from parameter page ('Optional commands supported').
Typically the values in the field should be interpreted as follows:[list]
[*]Bit 0 - Supports page cache program command.
[*]Bit 1 - Supports read cache commands.
[*]Bit 2 - Supports get and set features.
[*]Bit 3 - Supports read status enhanced commands.
[*]Bit 4 - Supports copyback.
[*]Bit 5 - Supports Read Unique Id.
[*]Bit 6 - Supports Change Read Column Enhanced for ONFI or supports Random Data Out for Toggle device.
[*]Bit 7 - Supports change row address for ONFI or supports Multi-plane Copyback Program for Toggle device.
[*]Bit 8 - Supports Change small data move.
[*]Bit 9 - Supports RESET LUN.
[*]Bit 10 - Reserved for ONFI or supports Synchronous Reset for Toggle device.
[*]Bit 11 - Supports ODT Configure for ONFI device only.
[*]Bit 12 - Supports LUN Get and LUN Set Features for ONFI device only.
[*]Bit 13 - Reversed.
[*]Bit 14-15 - Reserved.
[/list]
|
RO
|
0x0
|
| 15:0 |
device_features
|
This field corresponds to bytes 6-7 of parameter page ('Features supported').
Typically the values in the field should be interpreted as follows: [list]
[*]Bit 0 - Supports 16 bit data bus width.
[*]Bit 1 - Supports multiple LUN operations.
[*]Bit 2 - Supports non-sequential page programming.
[*]Bit 3 - Supports interleaved program and erase operations.
[*]Bit 4 - Supports odd to even page copyback for ONFI or supports multi-plane read operations for Toggle device.
[*]Bit 5 - Supports synchronous DDR mode.
[*]Bit 6 - Supports interleaved read operations for ONFI or supports Toggle Mode DDR for Toggle device.
[*]Bit 7 - Supports extended parameter page for ONFI or supports external Vpp for Toggle device.
[*]Bit 8 - Supports program page register clear enhancement.
[*]Bit 9 - Reserved.
[*]Bit 10 - Reserved.
[*]Bit 11 - Reserved.
[*]Bit 12 - Supports External Vpp for ONFI devices only.
[*]Bit 13 - Reserved.
[*]Bit 14 - Reserved.
[*]Bit 15 - Supports Package Electrical Specification for ONFI devices only.[/list]
|
RO
|
0x0
|