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
`optional_commands` `RO 0x0`
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
`device_features` `RO 0x0`

device_features Fields

Bit Name Description Access Reset

31:16

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 - Reserved. [*]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 - Supports Volume Addressing for ONFI devices only. []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`

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 - Reserved.
              [*]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 - Supports Volume Addressing for ONFI devices only.
              [*]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