Design Support Frequently Asked Questions (FAQs)
Frequently asked questions (FAQs) about microcomputer products are listed below.
Please click each question to view the answer.
Microcontrollers in General
- Product Information
-
- What is the difference between RISC and CISC ?
- What do the letters and numbers in a part number signify ?
- What types of ROM are used as built-in memory ?
- In what types of packing can Toshiba’s microcontrollers be delivered ?
- Are there any products that allow memory to be connected without using an external address decoder ?
- Are there any products that support an extended operating temperature range ?
- Are there any products that have register banks ?
- Are there any products with a built-in CAN controller ?
- Are there any products with a built-in LCD driver ?
- Which types of LCD module can be controlled by Toshiba’s microcontrollers with a built-in LCD controller ?
- What is a touch screen interface (TSI) ?
- What is the meaning of LSB in representation of AD conversion errors ?
- What is the difference between the TLCS-870/C Series and TLCS-870/C1 Series of microcontrollers ?
- Are the TLCS-870/C1 Series and TLCS-870/C Series of microcontrollers instruction set-compatible ?
- ROM Ordering
Functions and Specifications
- Product Functions
-
- Are there any products with a built-in CAN controller ?
- Are there any products with a built-in LCD driver ?
- Which types of LCD module can be controlled by Toshiba’s microcontrollers with a built-in LCD controller ?
- What is a touch screen interface (TSI) ?
- What is the meaning of LSB in representation of AD conversion errors ?
- Can I implement single-master, multiple-slave communications via the UART ?
- In the TLCS-870/C1 Series of microcontrollers, can I change the priority levels of interrupts ?
- Product Specifications/Characteristics
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- Can I select the stop bit length of the UART ?
- Can I allocate unused SFR space as an address area ?
- Does micro DMA support data transfers between external I/O and memory ?
- When using a sink open drain pin as an input, why should the output of this pin be set to 1 ?
- What is the interval of time from the instant an interrupt is accepted, until the corresponding interrupt service routine begins to execute ?
- What is the state of the internal RAM upon power-up ?
- How to Use Products
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- Do I need to write programs for the specific addresses to be programmed ?
- What happens if the timer count value is set to 0 ?
- In the TLCS-870/C Series of microcontrollers, how do I change interrupt priority levels ?
- Does the time measurement function use the clock in the emulation pod ?
- Can I verify program operation with development tools without using a target board ?
- How do I debug a ROMless microcontroller ?
- Can I perform bit manipulations in the C language ?
- How do I save the contents of registers ?
- How do I check whether or not an interrupt request is generated ?
- Is it possible to execute programs on the internal RAM ?
- Can I change the upper limit of the analog reference voltage for AD conversion ?
- What should I do with unused pins ? (hardware connection and software processing)
- What is the range of voltage in which a microcontroller can be reset ?
- Is it possible to directly drive LEDs ?
- How do I connect a microcontroller with 16-bit data bus and a NOR Flash memory with 16-bit data bus ?
Quality and Environment
Development System: TX19A Series
- C Compiler
- Integrated Development Environment
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- Is the firmware required for connecting to the emulator attached to the Integrated Development Environment?
- What MCUs are supported by the simulator?
- Is it possible to cooperate with a version control tool?
- Precautions for compilation / assembly (precautions to be taken when compiling / assembling programs)
- Are there any differences between Integrated Development Environment released as a packaged product and that included in hardware?
- Is it possible to upgrade the old version of the Integrated Development Environment to the latest one?
- What is included in Integrated Development Environment (SW00MN0-ZCC)?
- Can the Integrated Development Environment (SW00MN0-ZCC) be used with any other manufacturer's compiler?
- What settings are specifically required for using the compiler in the Integrated Development Environment?
- Is there any instruction manual (PDF) for the Integrated Development Environment?
- Real-Time OS
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- What is the maximum value of objects TR19A/ITRON4 can manage?
- What resources does TR19A/ITRON4 use?
- What is the TR19A/ITRON4 specification?
- Will you disclose the performance data of the TR series OS?
- Please teach the product form and the sales price of RTOS.
- Is a royalty or any other type of payment levied on MCU-based products running the RTOS?
- Is a contract or any other arrangement required for sale of the OS?
Development System: TLCS-900/H1 Series
- C Compiler
- Integrated Development Environment
-
- Is the firmware required for connecting to the emulator attached to the Integrated Development Environment?
- Is it possible to cooperate with a version control tool?
- Precautions for compilation / assembly (precautions to be taken when compiling / assembling programs)
- Is it possible to upgrade the old version of the Integrated Development Environment to the latest one?
- Are there any differences between Integrated Development Environment released as a packaged product and that included in hardware?
- What is included in Integrated Development Environment (SW00MN0-ZCC)?
- Can the Integrated Development Environment (SW00MN0-ZCC) be used with any other manufacturer's compiler?
- Coding precautions (precautions to be taken when writing programs)
- What are differences in functionality between the RTE Model 25 and the RTE Model 15 controllers?
- What MCUs does the simulator support?
- What settings are specifically required for using the compiler in the Integrated Development Environment?
- Is there any instruction manual (PDF) for the Integrated Development Environment?
- Real-Time OS
-
- Will you disclose the performance data of the TR series OS?
- Please teach the product form and the sales price of RTOS.
- Is a contract or any other arrangement required for sale of the OS?
- Is a royalty or any other type of payment levied on MCU-based products running the RTOS?
- Is there any material available describing product contents in detail?
- The OS uses timers etc., and I wish to know what resources are needed for the OS to run.
- What are the advantages and disadvantages of not having the level-S task management function selected?
Development System: TLCS-900/L1 Series
- C Compiler
- Integrated Development Environment
-
- Is the firmware required for connecting to the emulator attached to the Integrated Development Environment?
- Is it possible to cooperate with a version control tool?
- Precautions for compilation / assembly (precautions to be taken when compiling / assembling programs)
- Is it possible to upgrade the old version of the Integrated Development Environment to the latest one?
- Are there any differences between Integrated Development Environment released as a packaged product and that included in hardware?
- What is included in Integrated Development Environment (SW00MN0-ZCC)?
- Can the Integrated Development Environment (SW00MN0-ZCC) be used with any other manufacturer's compiler?
- Coding precautions (precautions to be taken when writing programs)
- What are differences in functionality between the RTE Model 25 and the RTE Model 15 controllers?
- What MCUs does the simulator support?
- What settings are specifically required for using the compiler in the Integrated Development Environment?
- Is there any instruction manual (PDF) for the Integrated Development Environment?
- Real-Time OS
-
- Will you disclose the performance data of the TR series OS?
- Please teach the product form and the sales price of RTOS.
- Is a contract or any other arrangement required for sale of the OS?
- Is a royalty or any other type of payment levied on MCU-based products running the RTOS?
- Is there any material available describing product contents in detail?
- The OS uses timers etc., and I wish to know what resources are needed for the OS to run.
- What are the advantages and disadvantages of not having the level-S task management function selected?
Development System: TLCS-870/C1 Series
- C Compiler
- Integrated Development Environment
-
- Is the firmware required for connecting to the emulator attached to the Integrated Development Environment?
- Is it possible to cooperate with a version control tool?
- Precautions for compilation / assembly (precautions to be taken when compiling / assembling programs)
- Is it possible to upgrade the old version of the Integrated Development Environment to the latest one?
- Are there any differences between Integrated Development Environment released as a packaged product and that included in hardware?
- What MCUs are supported by the simulator?
- What is included in Integrated Development Environment (SW00MN0-ZCC)?
- Can the Integrated Development Environment (SW00MN0-ZCC) be used with any other manufacturer's compiler?
- What settings are specifically required for using the compiler in the Integrated Development Environment?
- Is there any instruction manual (PDF) for the Integrated Development Environment?
Development System: TLCS-870/C Series
- C Compiler
- Integrated Development Environment
-
- Is the firmware required for connecting to the emulator attached to the Integrated Development Environment?
- Is it possible to cooperate with a version control tool?
- Precautions for compilation / assembly (precautions to be taken when compiling / assembling programs)
- Are there any differences between Integrated Development Environment released as a packaged product and that included in hardware?
- Is it possible to upgrade the old version of the Integrated Development Environment to the latest one?
- Is TLCS-870C Series C Compiler & Assembler Set (SW86YN0-ZCK, SW86YN3-ZCK) also available in Integrated Development Environment?
- Is it possible to upgrade the TLCS-870/C Series debugger to Integrated Development Environment?
- What MCUs are supported by the simulator?
- What is included in Integrated Development Environment (SW00MN0-ZCC)?
- Can the Integrated Development Environment (SW00MN0-ZCC) be used with any other manufacturer's compiler?
- What settings are specifically required for using the compiler in the Integrated Development Environment?
- Is there any instruction manual (PDF) for the Integrated Development Environment?
Troubleshooting
- During compilation using the Toshiba Integrated Development Environment (TIDE), I get the error message "E-008-0600: Language tools are not exist in specified folder".
- When creating a debug profile, the target cannot be detected properly.
- External memory cannot be dumped properly.
- I cannot load a program into the emulator.
- When I compile a program written in C in the Toshiba Integrated Development Environment (TIDE), no assembler source files are output.
- I cannot allocate a program in the desired memory area.
- I have set an event breakpoint, but it is not working.
- How do I stop the watchdog timer ?
- How do I identify whether a malfunction is caused by hardware or software ?
- I have enabled the chip select function, but no memory access can be made.
- Although operation checks with test tools in the development environment were successful, proper operation cannot be achieved with the actual device.
- In a TLCS-870/C1 Series microcontroller, peripheral functions remain inactive although I have set the relevant SFRs.
- In a TLCS-870/C1 Series microcontroller, peripheral functions operate at only quarter of the high-frequency clock speed.
- In a TLCS-870/C1 Series microcontroller, abnormal operation occurs after an interrupt request is accepted.
- I cannot find the analog reference voltage pin for AD conversion.
- JEDEC-standard commands have no effect on NOR Flash memory.
- Reset conditions occur recurrently.