Enum Ddr2Cmd 

pub enum Ddr2Cmd {
    Deselect,
    Nop,
    Active,
    Read,
    Write,
    Precharge,
    Refresh,
    LoadMode,
}

A DDR2 command (JEDEC truth table over {CS#, RAS#, CAS#, WE#}, with CKE held high).

Variants

Deselect

CS# high — the chip ignores the bus this cycle.

Nop

CS# low, RAS#/CAS#/WE# high — an idle active cycle.

Active

Open a row (RAS#).

Read

Column read (CAS#).

Write

Column write (CAS# + WE#).

Precharge

Close a row (RAS# + WE#); A10 selects single-bank vs all-banks.

Refresh

Auto-refresh (RAS# + CAS#), all banks precharged.

LoadMode

Mode/extended-mode register set (RAS# + CAS# + WE#); BA selects the register.

Trait Implementations

impl Clone for Ddr2Cmd

fn clone(&self) -> Ddr2Cmd

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for Ddr2Cmd

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl PartialEq for Ddr2Cmd

fn eq(&self, other: &Ddr2Cmd) -> bool

Tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl Copy for Ddr2Cmd

impl Eq for Ddr2Cmd

impl StructuralPartialEq for Ddr2Cmd