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NRF52811-QCAA-R7 Datasheet(PDF) 24 Page - Nordic Semiconductor |
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NRF52811-QCAA-R7 Datasheet(HTML) 24 Page - Nordic Semiconductor |
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24 / 444 page  Core components 4.3.8 Electrical specification 4.3.8.1 Flash programming Symbol Description Min. Typ. Max. Units nWRITE Number of times a 32-bit word can be written before erase 2 nENDURANCE Erase cycles per page 10000 tWRITE Time to write one 32-bit word 412 µs tERASEPAGE Time to erase one page 852 ms tERASEALL Time to erase all flash 1692 ms tERASEPAGEPARTIAL,acc Accuracy of the partial page erase duration. Total execution time for one partial page erase is defined as ERASEPAGEPARTIALCFG * tERASEPAGEPARTIAL,acc. 1.052 4.4 FICR — Factory information configuration registers Factory information configuration registers (FICR) are pre-programmed in factory and cannot be erased by the user. These registers contain chip-specific information and configuration. 4.4.1 Registers Base address Peripheral Instance Description Configuration 0x10000000 FICR FICR Factory information configuration Table 7: Instances Register Offset Description CODEPAGESIZE 0x010 Code memory page size CODESIZE 0x014 Code memory size DEVICEID[0] 0x060 Device identifier DEVICEID[1] 0x064 Device identifier ER[0] 0x080 Encryption root, word 0 ER[1] 0x084 Encryption root, word 1 ER[2] 0x088 Encryption root, word 2 ER[3] 0x08C Encryption root, word 3 IR[0] 0x090 Identity root, word 0 IR[1] 0x094 Identity root, word 1 IR[2] 0x098 Identity root, word 2 IR[3] 0x09C Identity root, word 3 DEVICEADDRTYPE 0x0A0 Device address type DEVICEADDR[0] 0x0A4 Device address 0 DEVICEADDR[1] 0x0A8 Device address 1 INFO.PART 0x100 Part code INFO.VARIANT 0x104 Part variant, hardware version and production configuration INFO.PACKAGE 0x108 Package option INFO.RAM 0x10C RAM variant INFO.FLASH 0x110 Flash variant INFO.UNUSED8[0] 0x114 Reserved 2 HFXO is used here 4454_140 v1.0 24 |
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