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SWRU543–January 2019
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Copyright © 2019, Texas Instruments Incorporated
On-Chip Parallel Flash
Chapter 21
SWRU543–January 2019
On-Chip Parallel Flash
The CC3235SF microcontroller comes with 1024KB of on-chip flash memory, at address 0x0100.0000 of
the device memory map, and a well-defined programming register interface at 0x400F.D000.
The microcontroller also implements a 128-bit-wide instruction prefetch buffer to enhance the in-place
execution performance of the user application code executing from the flash memory.
Topic ........................................................................................................................... Page
21.1 Flash Memory Configuration.............................................................................. 763
21.2 Interrupts......................................................................................................... 763
21.3 Flash Memory Programming.............................................................................. 763
21.4 32-Word Flash Memory Write Buffer ................................................................... 764
21.5 Flash Registers ................................................................................................ 765
21.6 CC3235SF Boot Flow ........................................................................................ 778
21.7 Flash User Application and Memory Partition ...................................................... 778
21.8 Programming, Bootstrapping, and Updating the Flash User Application ................. 780
21.9 Image Authentication and Integrity Check ........................................................... 781
21.10 Debugging Flash User Application Using JTAG .................................................. 783