SH7101 datasheet(292/560 Pages) RENESAS

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Section 8 Multifunction Timer Pulse Unit (MTU)

Rev.1.00 Sep. 18, 2008 Page 258 of 522

REJ09B0069-0100

(27) Operation when Error Occurs during Reset-Synchronous PWM Mode Operation, and

Operation is Restarted in PWM Mode 1

Figure 8.110 shows an explanatory diagram of the case where an error occurs in reset-synchronous

PWM mode and operation is restarted in PWM mode 1 after re-setting.

RESET

TOCR

TMDR

(RPWM)

PFC

(MTU)

TOER

(1)

TSTR

(1)

Match

Error

occurs

PFC

(PORT)

TSTR

(0)

TMDR

(PWM1)

TIOR

(1 init

0 out)

PFC

(MTU)

TSTR

(1)

MTU module

output

TIOC3A

TIOC3B

TIOC3D

Port output

PE9

PE8

PE11

• Not initialized (TIOC3B)

• Not initialized (TIOC3D)

Hi-Z

Figure 8.110 Error Occurrence in Reset-Synchronous PWM Mode,

Recovery in PWM Mode 1

1 to 10 are the same as in figure 8.109.

11. Set PWM mode 1. (MTU positive phase output is low, and negative phase output is high.)

12. Initialize the pins with TIOR. (In PWM mode 1, the TIOC *B side is not initialized.)

13. Set MTU output with the PFC.

14. Operation is restarted by TSTR.

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