Figure 11.5 Examples Of Counter And Register Operations - Renesas H8S Series Hardware Manual

16-bit single-chip microcomputer

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Figure 11.5 shows examples of counter and register operations.

(1/2 period)

Figure 11.5 Examples of Counter and Register Operations

Initial Settings: In the operating modes, there are five registers that require initialization.

Make the following register settings before setting the operating mode with bits MD1 and MD0 in

the timer mode register (TMDR).

Set the timer period buffer register (TPBR) to 1/2 the PWM carrier period, set dead time Td in the

timer dead time data register (TDDR) (when outputting an ideal waveform, Td = H'0000), and set

{TPBR value + 2Td} in the timer period data register (TPDR).

(1/2 period + 2Td)

Up-count → compare match → halt

Section 11 Motor Management Timer (MMT)

Up-count → compare

Compared during

match → down-count

Down-count → compare

Compared during

match → up-count

Rev. 6.00 Mar 15, 2006 page 257 of 570

Compared during

Compared during

REJ09B0211-0600