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A/D Mux Flash (A/D Multiplexed Flash)

AD-Mux Flash is a parallel flash that uses an Address/Data multiplexed interface to reduce pin count versus a full parallel Address+Data bus.

See Settings for channel prefixes.

Decode Settings

Decode Settings

A/D Mux Flash Decode Settings
  • Amax: Number of address pins (depends on density). Default: A22.
  • Quick Setup / User Defined: Quick Setup only needs ADQ[0] (LSB); other channels auto-increment. User Defined opens the channel dialog. Default: Quick Setup.

A/D Mux Flash bus dialog

User Defined channel setup
  • Flash: Flash control pins (CE#f, OE#, WE#, AVD#, CLK, RDYf/WAITp, etc.).
  • PSRAM: PSRAM control pins. Some MCPs include Flash and PSRAM; checking has PSRAM decodes PSRAM and enables (Enable) CE#p / LB#p / UB#p. Default: checked.
  • Configuration: Command-programmable parameters; set the actual register values here so capture analysis matches the device.
    • Wait State: Default: 13th.
    • Burst Length: Default: Continous (Continuous).
    • RDY Polarity: Default: high.
    • Burst Wrap Around: Default: Yes.
    • RDY Active: Default: with data.

Result

A/D Mux Flash Result

A/D Mux Flash decode result