Infineon CYT2B9

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The Infineon CYT2B9 (TVII-B-E-2M) is a subfamily of Infineon Traveo T2G microcontrollers containing a Cortex M4 and Cortex M0+ CPU.


The CYT2B9 family features 2 x 128 KB = 256 KB of SRAM located at 0x08000000. The first 2 KB are reserved for internal usage and may not be used.

Flash memory layout

The CYT2B9 series devices have 2112 KiB Code flash and a 128 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 0x101EFFFF 32 KiB 62 1984 KiB
Code flash small area 0x101F0000 0x1010FFFF 8 KiB 16 128 KiB
Work flash large area 0x14000000 0x14017FFF 2 KiB 48 96 KiB
Work flash small area 0x14018000 0x1401FFFF 128 B 256 32 KiB
Supervisory flash 0x17000800 0x17007DFF 512 B 13 6656 B
For information regarding Supervisory Flash (SFlash), please refer to Infineon Traveo T2G article