Serial Flash Mailbox Client Intel® FPGA IP User Guide

ID 683509
Date 9/26/2022
Public

Reading the Flash Memory Device ID

Here are the steps to read the Device ID from a flash memory device:
# Write Offset 4 to request access to the flash memory device.
master_write_32 $m $AsmiOpen 0x1

# Write Offset 3 to select the 1st flash memory device attached to the IP.
master_write_32 $m $AsmiChipSelect 0x0

# Read Offset 10 to obtain the device ID.
master_read_32 $m $AsmiDeviceId 1

# Write Offset 5 to close access to the flash memory device.
master_write_32 $m $AsmiClose 0x1

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