SWRA466E February   2015  – August 2024 CC1310 , CC1310 , CC1311P3 , CC1311P3 , CC1311R3 , CC1311R3 , CC1312PSIP , CC1312PSIP , CC1312R7 , CC1312R7 , CC1314R10 , CC1314R10 , CC1352P , CC1352P , CC1352P7 , CC1352P7 , CC1352R , CC1352R , CC1354P10 , CC1354P10 , CC1354R10 , CC1354R10 , CC2538 , CC2538 , CC2620 , CC2620 , CC2630 , CC2630 , CC2640 , CC2640 , CC2640R2F , CC2640R2F , CC2640R2F-Q1 , CC2640R2F-Q1 , CC2642R , CC2642R , CC2642R-Q1 , CC2642R-Q1 , CC2650 , CC2650 , CC2650MODA , CC2650MODA , CC2651P3 , CC2651P3 , CC2651R3 , CC2651R3 , CC2651R3SIPA , CC2651R3SIPA , CC2652P , CC2652P , CC2652P7 , CC2652P7 , CC2652PSIP , CC2652PSIP , CC2652R , CC2652R , CC2652R7 , CC2652R7 , CC2652RB , CC2652RB , CC2652RSIP , CC2652RSIP , CC2674R10 , CC2674R10

 

  1.   1
  2.   Abstract
  3.   Trademarks
  4. 1Introduction
  5. 2ROM Bootloader
    1. 2.1 Configuring the Bootloader
      1. 2.1.1 CC2538
      2. 2.1.2 CC13x0, CC26x0
      3. 2.1.3 CC13x1x3, CC26x1x3
      4. 2.1.4 CC13x2, CC26x2
      5. 2.1.5 CC13x4, CC26x4
    2. 2.2 Communication Protocol
      1. 2.2.1 ACK or NACK
    3. 2.3 Interface Configuration
      1. 2.3.1 Hardware Pins
      2. 2.3.2 UART Configuration
      3. 2.3.3 Establishing Communication
      4. 2.3.4 Status Command
  6. 3Serial Bootloader Library (SBL)
    1. 3.1 SBL Return Values
    2. 3.2 SBL API
  7. 4Example Project
    1. 4.1 Hardware Setup
      1. 4.1.1 LaunchPad™ Development Kit Virtual COM Port
      2. 4.1.2 SmartRF06EB Virtual COM Port
        1. 4.1.2.1 External Serial Interface
      3. 4.1.3 Bootloader Backdoor
    2. 4.2 Software Setup
      1. 4.2.1 Device Type
      2. 4.2.2 Baud Rate
    3. 4.3 Program Flow
      1. 4.3.1 Enumerate COM Ports
      2. 4.3.2 Create Device
      3. 4.3.3 Connect
      4. 4.3.4 Erase Flash Range
      5. 4.3.5 Write Flash Range
      6. 4.3.6 Calculate CRC32
      7. 4.3.7 Reset
  8. 5References
  9. 6Revision History

2.1.2 CC13x0, CC26x0

The customer configuration area for CC13x0 and CC26x0 is called CCFG and is located in the uppermost flash sector, so the absolute address of the CCFG depends on the device flash size. The bootloader configuration absolute address for the 128KB flash variant is 0x0001.FFD8, the 64KB flash variant is 0x0000.FFD8 and the 32KB flash variant is 0x0000.7FD8. The CC13x0, CC26x0 CCFG is also memory mapped with read access to address 0x5000.3000 for all flash variants. A 32-bit field in the CCFG configures the bootloader and backdoor functionality (byte offset 0xFD8).

The structure of the bootloader configuration field is shown in Table 2-3. The configuration structure is little endian, meaning that the least significant byte is at the lowest address. Select which pin to use by writing the DIO number to the second byte of the configuration structure.

Table 2-3 CC13x0, CC26x0 CCFG:BL_CONFIG Encoding
Bit Field Value Description Byte
Offset		 Default
Value
31:24 BOOTLOADER_ENABLE Enable and disable bootloader 0xFDB 0xC5
0xC5 Bootloader enabled
Any other value Bootloader disabled
23:17 RESERVED 0 0xFDA 0b111 1111
16 BL_LEVEL Sets the active level of the selected pin. 0xFDA 1
0 Active low
1 Active high
15:8 BL_PIN_NUMBER The number of the I/O pin that is level checked if the bootloader backdoor is enabled. 0xFD9 0xFF
7:0 BL_ENABLE Enables and disables the bootloader backdoor. 0xFD8 0xFF
0xC5 Bootloader enabled
Any other value Bootloader disabled