r5f21368sdfp Renesas Electronics Corporation., r5f21368sdfp Datasheet - Page 401

• Manufacturer Part Number: r5f21368sdfp
• Description: Renesas Mcu R8c Family / R8c/3xt-a Series
• Manufacturer: Renesas Electronics Corporation.

Under development
R8C/36T-A Group
R01UH0240EJ0001 Rev.0.01
Apr 28, 2011
18.6
• When 0 (count stops) is written to the RUN bit in the TRECR register, the count is stopped after three cycles of
• When entering module standby, set the TREOE bit in the TRECR register to 0 (TMRE2O output disabled) and set
• Switch bits OS0 to OS2 and CS3 in the TRECSR register while the TREOE bit in the TRECR register is 0
• Switching registers TREIFR and TREIER must be performed as follows:
• When changing the CS3 bit, all of the following conditions must be met:
• Set the RTCRST bit in the TRECR register while the RTCF/OVIF bit is 0 (no interrupt requested) and the
the count source.
the RUN bit to 0 (count stops), and then allow three or more cycles of the count source to elapse before setting the
MSTTRE bit in the MSTCR3 register to 1 (standby).
(TMRE2O output disabled).
ALIF/CMIF bit is 0 (no interrupt requested).
[Real-time clock mode]
- Switch the TREIER register while the RTCF bit in the TREIFR register is 0 (no interrupt requested).
- Switch the ALIE bit in the TREIFR register while the ALIF bit in the TREIFR register is 0 (no interrupt
[Compare match timer mode]
- Switch the CMIE bit in the TREIER register while the CMIF bit in the TREIFR register is 0 (no interrupt
- Switch the OVIE bit in the TREIER register while the OVIF bit in the TREIFR register is 0 (no interrupt
- The RUN bit is 0 (count stops).
- The TREOE bit is 0 (TMRE2O output disabled).
- When changing the CS3 bit from 0 to 1, the CMIF bit is 0 (no interrupt requested) and the OVIF bit is 0 (no
- When changing the CS3 bit from 1 to 0, the ALIF bit is 0 (no interrupt requested) and the RTCF bit is 0 (no
requested).
requested).
requested).
interrupt requested).
interrupt requested).
Notes on Timer RE2
Preliminary document
Specifications in this document are tentative and subject to change.
Page 370 of 725
18. Timer RE2