[FAQ] F05 Flash: Frequently Asked Questions

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Note: This FAQ list applies to devices with F05 flash.  Refer to:  [FAQ] F05 Flash: Which C2000 devices have "F05 flash"?

Many questions can be answered by referencing the following documents and examples:

• Datasheet or data manual: The flash timing specifications includes access timing and endurance information
• Technical Reference Manual: flash and OTP memory blocks section

Application notes:

• Application note: Running an Application from Flash (spra958)
• Application note: Copying Compiler Sections from Flash to RAM on the TMS320F28xxx DSCs (spraau8)
• Application note: Serial Flash Programming of C2000™ Microcontrollers (sprabv4)

API and Examples:

• Serial flash programmer examples: C2000Ware_<version>\utilities\flash_programmers
• Examples related to application code running in flash: C2000Ware_<version>\device_support\f<device>\docs\
• Flash API documentation for a specific device: C2000Ware_<version>\libraries\flash_api\<device>\docs\
• Flash API examples: C2000Ware_<version>\libraries\flash_api\<device>\Example....

Some of these FAQs are listed below:

• Which devices include F05 Flash?
• Why can I only set 2 breakpoints in flash?
• Why can't I single step in flash?
• Does TI distribute the Flash API source code?
• Why does the erase time vary from part to part?
• What temperature range can flash be programmed or erased at?
• How many write/erase cycles can I expect and at what temperature?
• Is the flash zero wait-state? How many wait-states are required when running from flash?
• How do I convert a RAM-based project to a flash-based project?
• How can I debug code that does not run standalone without Code Composer Studio attached.
• What flash programming options exist for C2000 Devices?
• I am having problems with SDFlash.  Is there an alternative?
• What is a sector?
• Can I program one sector while running from another flash sector?
• What to the operations program and erase do?
• What is depletion and how can I avoid it?
• Is there an EEPROM emulation example for F05 Flash?
• Can interrupts be serviced while programming or erasing flash?
• How can I improve performance of code running from flash?
• Why does my project issue a warning that .text and .econst sections of the Flash API library are not found?
• Can flash or OTP be programmed incrementally? Can I program one word, or one bit, at a time?
• Where are the flash API error conditions documented?
• Why are some GPIO pins pulled low during flash programming of the TMS320F2833x or F2823x devices?
• Why am I not able to program TMS320F281x Rev G silicon?
• What causes the error "Flash API Error #14 Target halted?
• What does the "initialized RAM warning" from the code composer plug-in mean?