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STM32WBA62CGF6 Datasheet(PDF) 20 Page - STMicroelectronics

Part # STM32WBA62CGF6
Description  Multiprotocol wireless 32-bit MCU Arm®-based Cortex®-M33 with TrustZone , FPU, Bluetooth IEEE802.15.4 radio solution
PDF  185 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STM32WBA62CGF6 Datasheet(HTML) 20 Page - STMicroelectronics

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Functional overview
STM32WBA6xxx
20/185
DS14736 Rev 1
Table 3. Access status versus protection level and execution modes when TZEN = 0
Area
RDP
level
User execution
(boot from flash memory)
Debug/boot from RAM/ bootloader(1)
Read
Write
Erase
Read
Write
Erase
Flash main memory
1
Yes
Yes
Yes
No
No
No(4)
2
Yes
Yes
Yes
N/A
N/A
N/A
System memory(2)
1
Yes
No
No
Yes
No
No
2
Yes
No
No
N/A
N/A
N/A
Option bytes(3)
1Yes
Yes(4)
N/A
Yes
Yes(4)
N/A
2Yes
No(5)
N/A
N/A
N/A
N/A
OTP
1Yes
Yes(6)
N/A
Yes
Yes(6)
N/A
2Yes
Yes(6)
N/A
N/A
N/A
N/A
Backup registers
1
Yes
Yes
N/A
No
No
N/A(7)
2
Yes
Yes
N/A
N/A
N/A
N/A
SRAM2
1
Yes
Yes
N/A
No
No
N/A(8)
2
Yes
Yes
N/A
N/A
N/A
N/A
1. When the protection level 2 is active, the debug port, the boot from RAM, and the boot from system memory are disabled.
2. The system memory is only read-accessible, whatever the protection level (0, 1 or 2) and execution mode.
3. Option bytes are accessible only through the flash memory interface registers and OPSTRT bit.
4. The flash main memory is erased when the RDP option byte changes from level 1 to level 0.
5. SWAP_BANK user option can be modified.
6. OTP can be written only once.
7. The backup registers are erased when RDP changes from level 1 to level 0.
8. All SRAMs are erased when RDP changes from level 1 to level 0.
Table 4. Access status versus protection level and execution modes when TZEN = 1
Area
RDP
level
User execution
(boot from flash memory)
Debug/bootloader(1)
Read
Write
Erase
Read
Write
Erase
Flash main memory
0.5
Yes
Yes
Yes
Yes(2)
Yes(2)
Yes(2)
1
Yes
Yes
Yes
No
No
No(5)
2
Yes
Yes
Yes
N/A
N/A
N/A
System memory(3)
0.5
Yes
No
No
Yes
No
No
1
Yes
No
No
Yes
No
No
2
Yes
No
No
N/A
N/A
N/A
Option bytes(4)
0.5
Yes
Yes(5)
N/A
Yes
Yes (5)
N/A
1Yes
Yes(5)
N/A
Yes
Yes(5)
N/A
2Yes
No(6)
N/A
N/A
N/A
N/A



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