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Caution in Using an External Clock

Product Types
TOSHIBA Microcontrollers TX19 Family   TX19A Series
  • TMP19A64C1DXBG
  • TMP19A64F20AXBG
  • TMP19A64F20BXBG

 With regard to the TOSHIBA microcontrollers listed above, please be advised that their operation may be unstable when using an external clock.

Restriction / Problem
  The time for warm-up is required even when an external clock (oscillator, etc.) is used and providing stable oscillation because the internal PLL is used even in this case.
Workaround

  Checking and modifying the software are required when using any external clock such as oscillator.

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·Before creating and producing designs and using, customers must also refer to and comply with the latest versions of all relevant TOSHIBA information and the instructions for the application that Product will be used with or for.