r5f21368sdfp Renesas Electronics Corporation., r5f21368sdfp Datasheet - Page 294

• 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
16.5
Figure 16.9
16.5.1
Registers TRBPRE, TRBPR, and TRBSC are configured with a master – reload register structure. Figure 16.9
shows the Configuration of Registers TRBPRE, TRBPR, and TRBSC. When the TSTART bit in the TRBCR
register is set to 0 (count stops), values are updated to the reload registers immediately after the registers are
written. However, when the TSTART bit is 1 (count starts), the timing for updating the reload registers differs in
each mode. In the 8-bit timer with 8-bit prescaler, after the TRBPRE register is written, the TRBPRE register
reload register is updated in synchronization with the count source.
When the counter is operating in programmable waveform or programmable wait one-shot generation mode,
after the TRBPR register is written, the TRBPRE register reload register is updated at the same time.
While the counter is operating in programmable waveform or programmable wait one-shot generation mode,
after the TRBSC register is written, write to the TRBPR register.
Table 16.6 lists the Reload Register Update Timing for Registers TRBPR and TRBSC in 8-Bit Timer with 8-Bit
Prescaler. Table 16.7 lists the Reload Register Update Timing for Registers TRBPRE, TRBPR, and TRBSC in
16-Bit Timer.
Selectable Functions
Configuration and Update Timing for Registers TRBPRE, TRBPR, and
TRBSC
Preliminary document
Specifications in this document are tentative and subject to change.
Configuration of Registers TRBPRE, TRBPR, and TRBSC
Write to register
Write to register
Write to register
Master
Master
Master
TRBPRE register
TRBPR register
TRBSC register
TRBPRE register
TRBPR register
TRBSC register
update signal
update signal
update signal
register
register
register
Reload
Reload
Reload
Counter
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16. Timer RB2