Flash Mode Selection – No In-Package Flash OPN#

The following table lists the steps involved in enabling either common flash or dual flash mode in the eFuse (One Time Programmable) in a no in-package flash SiWG917 OPN.

Note: Once the Common flash or Dual flash mode is selected in the eFuse by following the processes outlined here, it is irreversible.

Steps	Description		Command (Syntax)
1	Read the present contents of the eFuse to an `efuse_value.json` file		`commander manufacturing read efuse --out efuse_value.json -d SiWG917M1xxXGTBA`
2	Enable Flash mode (Common or Dual Flash)	Common Flash	Open the `efuse_value.json` file (created in step 1) `common_flash_enabled` and set to 1
2	Enable Flash mode (Common or Dual Flash)	Dual Flash	Open the `efuse_value.json` file (created in step 1) Following are listed: `m4_flash_address_width` and set to 2 `m4_flash_address_width_valid` and set to 1
3	Dry run and check the correct bit is set in the eFuse (Optional, but recommended)		`commander manufacturing write efuse --data efuse_value.json -d SiWG917M1xxXGTBA --dryrun`
4	Burn the bits in the eFuse		`commander manufacturing write efuse --data efuse_value.json -d SiWG917M1xxXGTBA`
5	Read back the contents of the eFuse		`commander manufacturing read efuse --property m4_and_security_config -d SiWG917M1xxXGTBA`

The preceding steps are for selecting the flash mode only. You must complete the following sections Manufacturing Procedure – Without Security, and Manufacturing Procedure – With Security as per your requirement.