SPRACQ1 May   2020 TMS320F28374D , TMS320F28374S , TMS320F28375D , TMS320F28375S , TMS320F28376D , TMS320F28376S , TMS320F28377D , TMS320F28377S , TMS320F28379D , TMS320F28379S , TMS320F28384D , TMS320F28384D-Q1 , TMS320F28384S , TMS320F28384S-Q1 , TMS320F28386D , TMS320F28386D-Q1 , TMS320F28386S , TMS320F28386S-Q1 , TMS320F28388D , TMS320F28388S

 

  1.   Migration Between TMS320F2837x and TMS320F2838x
    1.     Trademarks
    2. 1 Feature Differences Between F2837x and F2838x
      1. 1.1 F2837x and F2838x Feature Comparison
    3. 2 PCB Hardware Changes
      1. 2.1 VDD Pin
      2. 2.2 VREGENZ Pin
      3. 2.3 Analog Pin Assignment
      4. 2.4 GPIO Pin Assignment
      5. 2.5 controlCARD
    4. 3 Feature Differences for System Consideration
      1. 3.1 New Features in F2838x Device
        1. 3.1.1  Fast Integer Division (FINTDIV)
        2. 3.1.2  VCRC Unit
        3. 3.1.3  EtherCAT Slave Controller (ESC)
        4. 3.1.4  Background CRC (BGCRC)
        5. 3.1.5  Diagnostic Features (PBIST/HWBIST)
        6. 3.1.6  Power Management Bus Module (PMBus)
        7. 3.1.7  Fast Serial Interface (FSI)
        8. 3.1.8  Embedded Real-time Analysis and Diagnostic (ERAD)
        9. 3.1.9  Dual-Clock Comparator (DCC)
        10. 3.1.10 Connectivity Manager (CM)
      2. 3.2 Features Differences/Enhancements in F2838x
        1. 3.2.1 System
          1. 3.2.1.1 Reset
          2. 3.2.1.2 Clocking
            1. 3.2.1.2.1 PLL
            2. 3.2.1.2.2 X1CNT
            3. 3.2.1.2.3 XCLKOUT
          3. 3.2.1.3 Pie Channel Mapping and Interrupt
            1. 3.2.1.3.1 SYS_ERR Interrupt
          4. 3.2.1.4 ERRORSTS Pin
        2. 3.2.2 Watchdog and NMI Watchdog
        3. 3.2.3 Memory
          1. 3.2.3.1 Internal SRAM/ROM
          2. 3.2.3.2 Flash
        4. 3.2.4 Dual Code Security Module (DCSM)
        5. 3.2.5 ROM Code and Peripheral Booting
        6. 3.2.6 External Memory Interface (EMIF)
        7. 3.2.7 Communication Modules
        8. 3.2.8 Control Modules
          1. 3.2.8.1 Enhanced Pulse Width Modulator (ePWM) and ePWM Sync Scheme
          2. 3.2.8.2 Enhanced Capture (eCAP)
          3. 3.2.8.3 Enhanced Quadrature Encoder Pulse (eQEP)
          4. 3.2.8.4 Sigma Delta Filter Module (SDFM)
        9. 3.2.9 Analog Modules
      3. 3.3 Other Device Changes
        1. 3.3.1 Bus Architecture
          1. 3.3.1.1 CLA and DMA Access
        2. 3.3.2 Control Law Accelerator (CLA)
        3. 3.3.3 Direct Memory Access (DMA)
      4. 3.4 Power Management
        1. 3.4.1 LDO/VREG
        2. 3.4.2 POR/BOR
      5. 3.5 Power Consumption
      6. 3.6 GPIO
        1. 3.6.1 GPIO Multiplexing Diagram
    5. 4 Application Code Migration From F2837x to F2838x
      1. 4.1 C2000Ware Driverlib Files
      2. 4.2 C2000Ware Header Files
      3. 4.3 Linker command Files
      4. 4.4 Minimum Compiler Version Requirement
      5. 4.5 EABI Support
        1. 4.5.1 Flash API
        2. 4.5.2 NoINIT Struct Fix (linker command)
        3. 4.5.3 Pre-Compiled Libraries
    6. 5 References

3.2.6 External Memory Interface (EMIF)

External Memory Interface (EMIF) module on F2838x and F2837x are identical. The only change on F2838x is the addition of optional re-mapping (dual mapping) of the SDRAM (CS0) space for EMIF1 in the lower 22 bits address range of memory. Default mapping of the SDRAM space of EMIF1 is the same as on F2837x, which is at address 0x8000 0000. This address is beyond the 22-bit address space. Therefore, execution as well as direct addressing is not allowed. You can re-map this to address 0x0020 0000 by writing TYPE bit-field in MEMTYPE register to "01". Also on F2838x, the EMIF_ERR (or EMIF_ERROR) interrupt is combined with other system interrupts on SYS_ERR.

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