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MB91F465KB 데이터시트(PDF) 27 Page - Cypress Semiconductor

부품명 MB91F465KB
상세설명  32-bit RISC, load/store architecture, five-stage pipeline
PDF  86 Pages
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제조업체  CYPRESS [Cypress Semiconductor]
홈페이지  http://www.cypress.com
Logo CYPRESS - Cypress Semiconductor

MB91F465KB 데이터시트(HTML) 27 Page - Cypress Semiconductor

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MB91460K Series
Document Number: 002-04602 Rev. *A
Page 27 of 86
86
9. Embedded Program/Data Memory (Flash)
9.1
Flash Features
■ MB91F465Kx: 544 Kbytes (8 64 Kbytes  4 8 Kbytes) = 4.25 Mbits
■ Programmable wait state for read/write access
■ Flash and Boot security with security vector at 0x0014:8000 - 0x0014:800F
■ Boot security
■ Basic specification: Same as MBM29LV400TC (except size and part of sector configuration)
9.2
Operation Modes
9.2.1
32-bit CPU mode :
■ CPU reads and executes programs in word (32-bit) length units.
■ Actual Flash Memory access is performed in word (32-bit) length units.
9.2.2
16-bit CPU mode :
■ CPU reads and writes in half-word (16-bit) length units.
■ Program execution from the Flash is not possible.
■ Actual Flash Memory access is performed in half-word (16-bit) length units.
Note: The operation mode of the flash memory can be selected using a Boot-ROM function. The function start address is 0xBF60.
The parameter description is given in the Hardware Manual in chapter 54.6 "Flash Access Mode Switching".



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