RM0394 Contents 3.3.4 Adaptive real-time memory accelerator (ART AcceleratorTM) 80 3.35 Flash program and erase operations .82 3.3.6 Flash main memory erase sequences ..........................83 3.3.7 Flash main memory programming sequences 3.4 FLASH option bytes 88 34.1 Option bytes description 3.4.2 Option bytes programming............................. .92 35 FLASH memory protection 3.5.1 Read protection(RDP) 94 3.52 Proprietary code readout protection(PCROP) 35.3 Write protection(WRP) 。，。 3.6 FLASH interrupts 3.7 FLASHregisters...........................................100 3.7.1 Flash access control register(FLASH_ACR) 100 3.7.2 Flash Power-down key register(FLASH_PDKEYR) 3.73 Flash key register(FLASH KEYR). 3.74 Flash option key register(FLASH_OPTKEYR 102 3.7.5 Flash status register (FLASH_SR)....................... 102 3.7.6 Flash control register(FLASH_CR) 104 3.77 Flash ECC register(FLASH_ECCR) 106 3.7.8 Flash option register (FLASH OPTR) 107 3.7.9 Flash PCROP Start address register(FLASH_PCROP1SR) 109 3.7.10 Flash PCROP End address register(FLASH PCROP1ER) .109 3711 Flash WRP area A address register(FLASH WRP1AR) ,110 37.12 Flash WRP area B address register (FLASH_WRP1BR) 3.7.13 .112 Firewall (FW) 114 4.1 Introduction 114 4.2 Firewall main features 。。。。，。。 .114 4.3 Firewall functional description .115 4.3.1 Firewall AMBA bus snoop ............................ ,115 4.32 Functional requirements 115 43.3 Firewall segments 116 4.3.4 Segment accesses and properties...........................117 4.3.5 Firewall initialization ..118 RM0394 Rev4 3/1600 RM0394 Rev 4 3/1600 RM0394 Contents 43 3.3.4 Adaptive real-time memory accelerator (ART Accelerator™) . . . . . . . . 80 3.3.5 Flash program and erase operations . . . . . . . . . . . . . . . . . . . . . . . . . . . 82 3.3.6 Flash main memory erase sequences . . . . . . . . . . . . . . . . . . . . . . . . . . 83 3.3.7 Flash main memory programming sequences . . . . . . . . . . . . . . . . . . . . 84 3.4 FLASH option bytes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 88 3.4.1 Option bytes description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 88 3.4.2 Option bytes programming . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 92 3.5 FLASH memory protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 94 3.5.1 Read protection (RDP) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 94 3.5.2 Proprietary code readout protection (PCROP) . . . . . . . . . . . . . . . . . . . 97 3.5.3 Write protection (WRP) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 98 3.6 FLASH interrupts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 99 3.7 FLASH registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100 3.7.1 Flash access control register (FLASH_ACR) . . . . . . . . . . . . . . . . . . . 100 3.7.2 Flash Power-down key register (FLASH_PDKEYR) . . . . . . . . . . . . . . 101 3.7.3 Flash key register (FLASH_KEYR) . . . . . . . . . . . . . . . . . . . . . . . . . . . 101 3.7.4 Flash option key register (FLASH_OPTKEYR) . . . . . . . . . . . . . . . . . . 102 3.7.5 Flash status register (FLASH_SR) . . . . . . . . . . . . . . . . . . . . . . . . . . . 102 3.7.6 Flash control register (FLASH_CR) . . . . . . . . . . . . . . . . . . . . . . . . . . . 104 3.7.7 Flash ECC register (FLASH_ECCR) . . . . . . . . . . . . . . . . . . . . . . . . . . 106 3.7.8 Flash option register (FLASH_OPTR) . . . . . . . . . . . . . . . . . . . . . . . . . 107 3.7.9 Flash PCROP Start address register (FLASH_PCROP1SR) . . . . . . . 109 3.7.10 Flash PCROP End address register (FLASH_PCROP1ER) . . . . . . . . 109 3.7.11 Flash WRP area A address register (FLASH_WRP1AR) . . . . . . . . . . 110 3.7.12 Flash WRP area B address register (FLASH_WRP1BR) . . . . . . . . . . 110 3.7.13 FLASH register map . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 112 4 Firewall (FW) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 114 4.1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .114 4.2 Firewall main features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .114 4.3 Firewall functional description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .115 4.3.1 Firewall AMBA bus snoop . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 115 4.3.2 Functional requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 115 4.3.3 Firewall segments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 116 4.3.4 Segment accesses and properties . . . . . . . . . . . . . . . . . . . . . . . . . . . 117 4.3.5 Firewall initialization . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 118