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Section 18 multi-function timer pulse unit (mtu), 1 features – Renesas SH7641 User Manual

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Section 18 Multi-Function Timer Pulse Unit (MTU)

Rev. 4.00 Sep. 14, 2005 Page 517 of 982

REJ09B0023-0400

Section 18 Multi-Function Timer Pulse Unit (MTU)

This LSI has an on-chip multi-function timer pulse unit (MTU) that comprises five 16-bit timer
channels.

The block diagram is shown in figure 18.1.

18.1 Features

• Maximum 16-pulse input/output
• Selection of 8 counter input clocks for each channel
• The following operations can be set for each channel:

 Waveform output at compare match
 Input capture function
 Counter clear operation

Multiple timer counters (TCNT) can be written to simultaneously

Simultaneous clearing by compare match and input capture is possible

Register simultaneous input/output is possible by synchronous counter operation

 A maximum 12-phase PWM output is possible in combination with synchronous operation

• Buffer operation settable for channels 0, 3, and 4
• Phase counting mode settable independently for each of channels 1 and 2
• Cascade connection operation
• Fast access via internal 16-bit bus
• 23 interrupt sources
• Automatic transfer of register data
• A/D converter conversion start trigger can be generated
• Module standby mode can be set

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