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DA14530 Datasheet(PDF) 44 Page - Renesas Technology Corp |
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DA14530 Datasheet(HTML) 44 Page - Renesas Technology Corp |
44 / 333 page ![]() DA14530 Low Power Bluetooth 5.1 SoC Final Datasheet Revision 3.4 21-Dec-2021 CFR0011-120-00 44 of 332 © 2021 Renesas Electronics OTP CUSTOMER CODE (variable but known size) Interrupt Vectors (32 words) OTP Header (16 words) 0x7F88000 Configuration Script (60 words) 0x7F87FC0 0x7F80000 0x7F87ED0 Figure 10: OTP Layout Scheme The OTP memory is a matrix of 8Kx32-bit words. The contents are described below: • Interrupt Vectors: they are the vectors of the interrupt service routines and always reside at the address 0x0. This is part of the application (customer) code. The size of this vector list is 32 words • Customer Code: it contains the applications and the profiles that a customer has developed. The size is known and fixed before the mass production and the programming of the OTP • Configuration Script (section 4.4.2): it is used to program registers with values that are defined during production testing, to store a trim value for the application software, and to define the UART time-out timer during booting. It is executed by the Booter to prepare and initialize the system prior to that the CPU starts running the application code. Available size is 60 words • OTP Header: it contains various information about the configuration of the system and the BLE-specific data. Size of the header is 16 words. 4.4.1 OTP Header The OTP header breakdown is presented in Table 29. Table 29: OTP Header Address Words (32-bit) Description Programmed during Chip Test Product Manufacturing 7F87FC0 1 Application Programmed Flag #1 0x1234A5A5 = Application is in OTP Yes 7F87FC4 1 Application Programmed Flag #2 0xA5A51234 = Application is in OTP Yes |
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