ARM Cortex R4F Spécifications

Application ReportSPNA106D–May 2013Initialization of Hercules™ ARM®Cortex™-R4FMicrocontrollersSunilOakABSTRACTThis application report provides a brief

Standard Initialization Sequence for Hercules Microcontrollerswww.ti.com2.14 Run Self-Test on the Flash Module SECDED LogicThe Flash module reads the

www.ti.comStandard Initialization Sequence for Hercules MicrocontrollersThe clock sources for the VCLKA3 and VCLKA4 domains are selected via the Perip

Standard Initialization Sequence for Hercules Microcontrollerswww.ti.com2.19 Run a Diagnostic Check on the Programmable Built-In Self-Test (PBIST) Con

www.ti.comStandard Initialization Sequence for Hercules Microcontrollers2.27 On-Chip SRAM Auto-InitializationThe system module on the Hercules microco

Interrupt vector table address space0xFFF820000xFFF820040xFFF82008Phantom VectorChannel 0 VectorChannel 1 VectorChannel 93 VectorChannel 94 Vector0xFF

www.ti.comReferences• Initialization of global and static variables defines in C/C++• Initialization of global constructors• Make a function call to b

IMPORTANT NOTICETexas Instruments Incorporated and its subsidiaries (TI) reserve the right to make corrections, enhancements, improvements and otherch

Core/RAM Core RAM#1 #2 #1#3 #2#4 #3#5always on3MFlashwithECC64K64K64K64K256KRAMwithECCETM-R4(CPU Trace)Dual Cortex-R4FCPUs in LockstepRTP(RAM Trace)DM

www.ti.comStandard Initialization Sequence for Hercules Microcontrollers2 Standard Initialization Sequence for Hercules MicrocontrollersA basic sequen

Standard Initialization Sequence for Hercules Microcontrollerswww.ti.com28. Start a self-test on all on-chip dual-port SRAMs using the PBIST controlle

www.ti.comStandard Initialization Sequence for Hercules Microcontrollers2.1 Enable Floating-Point Coprocessor (FPU)The floating-point coprocessor is d

OSCIN/NR/1 to /64INTCLKPLL/NF/1 to /256VCOCLK/OD/1 to /8post_ODCLK/R/1 to /32PLLCLKf = (f / NR) * NF / (OD * R)PLLCLK OSCINf = (f / NR2) * NF2 / (OD2

www.ti.comStandard Initialization Sequence for Hercules MicrocontrollersPLL2 is configured using a single PLL Control 3 Register (PLLCTL3) in the Syst

Standard Initialization Sequence for Hercules Microcontrollerswww.ti.com| 0x00000020U // Enable clock source 5| 0x00000040U; // Enable clock source 6T

www.ti.comStandard Initialization Sequence for Hercules MicrocontrollersThe Hercules MCUs also have a separate Flash bank (bank #7) that is dedicated