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When using a flash memory version for development and then mass-producing a mask ROM version, is there any problem with leaving the setup instructions for the IMS register?

April 26, 2017Development flash memory leaving mask mass-producing problem ROM Setup version

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When using a flash memory version for development and then mass-producing a mask ROM version, is there any problem with leaving the setup instructions for the IMS register?

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A1 No, that should not pose any problems. Since mask-ROM versions do not contain an IMS register, the operation will not be affected even if a setup instruction for the IMS register is set.