HD64F7047 datasheet(337/764 Pages) RENESAS

337 / 764 page

Rev. 2.00, 09/04, page 297 of 720

Operation when Error Occurs during Complementary PWM Mode Operation, and

Operation is Restarted in Normal Mode: Figure 10.105 shows an explanatory diagram of the

case where an error occurs in complementary PWM mode and operation is restarted in normal

mode after re-setting.

RESET

TOCR

TMDR

(CPWM)

PFC

(MTU)

TOER

(1)

TSTR

(1)

Match

Error

occurs

PFC

(PORT)

TSTR

(0)

TMDR

(normal)

TIOR

(1 init

0 out)

PFC

(MTU)

TSTR

(1)

MTU module

output

TIOC3A

TIOC3B

TIOC3D

Port output

PE9

PE8

PE11

High-Z

Figure 10.105 Error Occurrence in Complementary PWM Mode, Recovery in

Normal Mode

After a reset, MTU output is low and ports are in the high-impedance state.

Select the complementary PWM output level and cyclic output enabling/disabling with

TOCR.

Set complementary PWM.

Enable channel 3 and 4 output with TOER.

Set MTU output with the PFC.

The count operation is started by TSTR.

The complementary PWM waveform is output on compare-match occurrence.

An error occurs.

Set port output with the PFC and output the inverse of the active level.

10. The count operation is stopped by TSTR. (MTU output becomes the complementary PWM

output initial value.)

11. Set normal mode. (MTU output goes low.)

12. Initialize the pins with TIOR.

13. Set MTU output with the PFC.

14. Operation is restarted by TSTR.

HD64F7047 Datasheet(PDF) 337 Page - Renesas Technology Corp

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