Jump to main content
Arm® Arm926EJ-S™ Processor-Based MPU, 800 MHz, MIPI DSI or CSI-2, LVDS, RGB, 2D Graphics, Gigabit Ethernet with TSN, CAN-FD, Octal/Quad SPI, Crypto, PUF
Arm® Arm926EJ-S™ Processor-Based MPU, 800 MHz, MIPI DSI or CSI-2, LVDS, RGB, 2D Graphics, Gigabit Ethernet with TSN, CAN-FD, Octal/Quad SPI, Crypto, PUF
Product Pages
SAM9X70 SAM9X72 SAM9X75
  1. Home
  2. 12 Boot Strategies
  3. 12.1 Standard Boot Strategy
  4. 12.1.4 Boot Configuration
  5. 12.1.4.6 Valid Code Detection
  • Introduction
  • Features
  • 1 Configuration Summary
  • 2 Block Diagram
  • 3 Signal Description
  • 4 Microchip Recommended Power Management Solutions
  • 5 Safety and Security Features
  • 6 Package and Pinout
  • 7 Peripherals
  • 8 Arm926EJ-S Processor
  • 9 Debug and Test
  • 10 Bus Matrix (MATRIX)
  • 11 DMA Controller (XDMAC)
  • 12 Boot Strategies
    • 12.1 Standard Boot Strategy
      • 12.1.1 Description
      • 12.1.2 Flow Diagram
      • 12.1.3 Chip Setup
      • 12.1.4 Boot Configuration
        • 12.1.4.1 Default Boot Sequence
        • 12.1.4.2 Using a Boot Configuration Packet
        • 12.1.4.3 Boot Sequence Controller Configuration Register

          Boot Sequence Controller Configuration Register

        • 12.1.4.4 Boot Configuration Packet
        • 12.1.4.5 NVM Boot Sequence
        • 12.1.4.6 Valid Code Detection
          • 12.1.4.6.1 Arm Exception Vectors Check
          • 12.1.4.6.2 boot.bin File Check
        • 12.1.4.7 Detailed Memory Boot Procedures
        • 12.1.4.8 SD Card/e.MMC Boot
        • 12.1.4.9 SPI Flash Boot
        • 12.1.4.10 QSPI NOR Flash Boot
      • 12.1.5 SAM-BA Monitor
    • 12.2 Secure Boot Strategy
    • 12.3 Hardware and Software Constraints
  • 13 SYSTEM CONTROLLER SUBSYSTEM
  • 14 System Controller Write Protection (SYSCWP)
  • 15 Advanced Interrupt Controller (AIC)
  • 16 Boot Sequence Controller (BSC)
  • 17 General Purpose Backup Registers (GPBR)
  • 18 Watchdog Timer (WDT)
  • 19 Reset Controller (RSTC)
  • 20 Real-Time Timer (RTT)
  • 21 Real-time Clock (RTC)
  • 22 Shutdown Controller (SHDWC)
  • 23 Periodic Interval Timer (PIT)
  • 24 64-bit Periodic Interval Timer (PIT64B)
  • 25 Debug Unit (DBGU)
  • 26 Special Function Registers (SFR)
  • 27 Slow Clock Controller (SCKC)
  • 28 Clock Generator
  • 29 Power Management Controller (PMC)
  • 30 Parallel Input/Output Controller (PIO)
  • 31 MEMORIES
  • 32 Static Memory Controller (SMC)
  • 33 Programmable Multibit Error Correction Code Controller (PMECC)
  • 34 Programmable Multibit ECC Error Location Controller (PMERRLOC)
  • 35 DDR-SDRAM Controller (MPDDRC)
  • 36 OTP Memory Controller (OTPC)
  • 37 IMAGE SUBSYSTEM
  • 38 LCD Controller (LCDC)
  • 39 Low Voltage Differential Signaling Controller (LVDSC)
  • 40 2D Graphics Engine (GFX2D)
  • 41 Display Serial Interface (DSI)
  • 42 Camera Serial Interface (CSI)
  • 43 CSI-2 Demultiplexer Controller (CSI2DC)
  • 44 Image Sensor Controller (ISC)
  • 45 AUDIO SUBSYSTEM
  • 46 Audio Class D Amplifier (CLASSD)
  • 47 Inter-IC Sound Multi-Channel Controller (I2SMCC)
  • 48 Synchronous Serial Controller (SSC)
  • 49 CRYPTOGRAPHY SUBSYSTEM
  • 50 Advanced Encryption Standard (AES)
  • 51 Secure Hash Algorithm (SHA)
  • 52 Triple Data Encryption Standard (TDES)
  • 53 True Random Number Generator (TRNG)
  • 54 Physical Unclonable Functions (PUF)
  • 55 CONNECTIVITY SUBSYSTEM
  • 56 Ethernet MAC (GMAC)
  • 57 Flexible Serial Communication Controller (FLEXCOM)
  • 58 Quad Serial Peripheral Interface (QSPI)
  • 59 Secure Digital MultiMedia Card Controller (SDMMC)
  • 60 Controller Area Network (MCAN)
  • 61 Timer Counter (TC)
  • 62 Pulse Width Modulation Controller (PWM)
  • 63 USB SUBSYSTEM
  • 64 USB Device High Speed Port (UDPHS)
  • 65 USB Host High Speed Port (UHPHS)
  • 66 Analog-to-Digital Controller (ADC)
  • 67 Electrical Characteristics
  • 68 Mechanical Characteristics
  • 69 Marking
  • 70 Ordering Information
  • 71 Revision History
  • Microchip Information

12.1.4.6 Valid Code Detection

Two types of valid code detection are available:
  • Arm Exception Vectors Check
  • boot.bin File Check

The online versions of the documents are provided as a courtesy. Verify all content and data in the device’s PDF documentation found on the device product page.

Microchip Facebook
Microchip LinkedIn
Microchip Twitter
Microchip YouTube
Microchip Instagram
Microchip Weibo
Microchip Blog
Contact |
Legal |
Privacy Policy |
Cookies |
Careers

Stay on the leading edge with our blog

MicroSolutions

© Copyright 1998-2022 Microchip Technology Inc. All rights reserved.