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Datasheet Corrections regarding the 16-Bit Timer Counter

Product Types
TOSHIBA Microcontrollers TLCS-870 Family   TLCS-870/C1 Series
  • TMP89FH42UG
  • TMP89FM42UG
  • TMP89FH46DUG
  • TMP89FM46DUG
  • TMP89FS60FG
  • TMP89FS60UG

With regard to the TLCS-870/C1 Series microcontrollers listed above, the following corrections for the 16-bit timer counter should be made to the technical datasheets.
If you have any questions or require any further information, please contact your local Toshiba sales representative.

16-Bit Timer Counter
[Pulse width measurement mode]

In the description of the pulse width measurement mode of the 16-bit timer counter, the following two corrections should be made regarding the INTTCA interrupt request generation timing.

1. The timing diagram for single-edge capture indicates that no interrupt request occurs at the first count start edge and the second count start edge after the timer is started. This should be corrected so that an interrupt request occurs at the first count start edge and the second count start edge, as shown below.

  • Before correction

16-Bit Timer Counter

  • After correction

16-Bit Timer Counter


2.The timing diagram for double-edge capture indicates that no interrupt request occurs at the count start edge after the timer is started. This should be corrected so that an interrupt request occurs at the count start edge, as shown below.

  • Before correction

16-Bit Timer Counter

  • After correction

16-Bit Timer Counter

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