Infineon CYT4BB

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The Infineon CYT4BB (TVII-B-H-4M) is a subfamily of Infineon Traveo T2G microcontrollers containing a Cortex M7 and Cortex M0+ CPU.


The CYT4BB family features 512 KB + 256 KB = 768 KB of SRAM located at 0x28000000. The first 2 KB are reserved for internal usage and may not be used.

Flash memory layout

The CYT4BB series devices have 4160 KiB Code flash and a 256 KiB Work flash. Both flashes are split in an area of large sectors and an area of small sectors.

Flash Start adress End adress Sector size Sector count Total size
Code flash large area 0x10000000 0x103EFFFF 32 KiB 126 4032 KiB
Code flash small area 0x103F0000 0x1040FFFF 8 KiB 16 128 KiB
Work flash large area 0x14000000 0x1402FFFF 2 KiB 96 192 KiB
Work flash small area 0x14030000 0x1403FFFF 128 B 512 64 KiB

For information regarding Supervisory Flash (SFlash), please refer to Infineon Traveo T2G article