I have a Masked ROM chip and want to program it? What is the meaning of masked ROM? Updated on October 9, 2015 By admin Comments Off on I have a Masked ROM chip and want to program it? What is the meaning of masked ROM? Author: admin (masked Read-Only-Memory) is a memory chip that is manufactured with its contents. We don’t support it. Was this answer helpful ? Yes (0) / No (0) By admin