Altera cyclone V Technical Reference page 1144

Hard processor system

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numrddatabytes

Quad SPI Flash Controller

Send Feedback

If enabled, the command specified in the command

opcode field (bits 31:24) requires read data bytes to be

received from the device.

Up to 8 data bytes may be read using this command.

Set to 0 for 1 byte and 7 for 8 bytes.

If enabled, the command specified in bits 31:24

requires an address. This should be setup before

triggering the command via writing a 1 to the execute

Set to 1 to ensure the mode bits as defined in the

Mode Bit Configuration register are sent following the

address bytes.

Command Requires read data

Command in bits 31:24 requires address

Mode Bit follows address bytes

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