Question

What is diferent between flash program memory and flash data memory?

Answer 1

hyy ..

Flash memory is a non-volatilememory chip used for storage and for transfering data between a personal computer (PC) and digital devices. It has the ability to be electronically reprogrammed and erased. It is often found in USB flash drives, MP3 players, digital cameras and solid-state drives.
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Answer 2

Question:

What is the difference between "program ROM" and "data flash"?

Answer:

Both are flash memory with the same structure. The differences between the program ROM and the data flash are memory size and electrical characteristics (which include the number of rewrites and bus cycles). The bus cycle is one cycle of the CPU clock for program ROM, and two cycles of the CPU clock for data flash.