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SH7137 Datasheet(PDF) 3 Page - Renesas Technology Corp |
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SH7137 Datasheet(HTML) 3 Page - Renesas Technology Corp |
3 / 24 page SH7280 Group MTU2: Output of Complementary Pairs of PWM Signals in Three Phases (Complementary PWM Mode) REJ06B0887-0100/Rev.1.00 June 2009 Page 3 of 24 2. Description of the Sample Application In this sample program, MTU2 is used in complementary PWM mode. 2.1 Operational Overview of Module Used 2.1.1 Multi-Function Timer Pulse Unit 2 (MTU2) MTU2 is a multi-functional timer unit that has six 16-bit timer channels. Settings for compare-match function, input- capture function, etc. can be made for each channel. Settings for complementary PWM mode and reset-synchronized PWM mode are made for channels 3 and 4, enabling the control of six PWM output lines. For details on MTU2, see the section on MTU2 in the SH7137 Group Hardware Manual (REJ09B0402). Table 2 gives an overview of MTU2 and figure 2 is a block diagram of MTU2. Table 2 Overview of MTU2 Item Description Number of channels 16-bit timer × 6 channels (channels 0 to 5) Counter clock The clock signal for counter input can be selected from among 8 different input clock signals (except for channel 5, with only 4 different clock signals available). Operation of channels 0 to 5 • Waveform output on compare match • Input capture function • Counter clearing • Simultaneous writing to multiple timer counters (TCNT) • Simultaneous clearing by compare match and input capture • Input to and output from registers are synchronized with counter operation. • PWM output in up to 12 phases in combination with synchronous operation Triggers for A/D converter • A/D converter start trigger can be generated. • In complementary PWM mode, interrupts at the crest and trough of the counter value and A/D converter start triggers can be skipped. Buffered operation • Settings for buffered operation of registers can be made to channels 0, 3, and 4. Operating modes • Settings for PWM mode can be made on channels 0 to 4. • Settings for phase counting mode can be set for each of channels 1 and 2 individually. • Waveform output in a total of six phases, including the positive and inverse signals for three phases, is possible in reset-synchronized PWM mode or complementary PWM mode. Interrupt requests • 28 different interrupt sources (interrupt generation by compare match, input capture, etc.) Others • Cascade-connection operation • High-speed access by internal 16-bit bus • Automatic transfer of register data is enabled. • Module standby mode can be set. • Dead time compensation counter is available in channel 5. |
Similar Part No. - SH7137_09 |
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Similar Description - SH7137_09 |
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