SH7101 datasheet(276/560 Pages) RENESAS

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Section 8 Multifunction Timer Pulse Unit (MTU)

Rev.1.00 Sep. 18, 2008 Page 242 of 522

REJ09B0069-0100

(8) Operation when Error Occurs during PWM Mode 1 Operation, and Operation is

Restarted in PWM Mode 1

Figure 8.91 shows an explanatory diagram of the case where an error occurs in PWM mode 1 and

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

RESET

TMDR

(PWM1)

TOER

(1)

PFC

(MTU)

TIOR

(1 init

0 out)

TSTR

(1)

Match

Error

occurs

PFC

(PORT)

TSTR

(0)

TMDR

(PWM1)

TIOR

(1 init

0 out)

PFC

(MTU)

TSTR

(1)

MTU module

output

TIOC*A

TIOC*B

Port output

PEn

• Not initialized (TIOC*B)

n=0 to 15

Hi-Z

Figure 8.91 Error Occurrence in PWM Mode 1, Recovery in PWM Mode 1

1 to 10 are the same as in figure 8.90.

11. Not necessary when restarting in PWM mode 1.

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.

(9) Operation when Error Occurs during PWM Mode 1 Operation, and Operation is

Restarted in PWM Mode 2

Figure 8.92 shows an explanatory diagram of the case where an error occurs in PWM mode 1 and

operation is restarted in PWM mode 2 after re-setting.

RESET

TMDR

(PWM1)

TOER

(1)

PFC

(MTU)

TIOR

(1 init

0 out)

TSTR

(1)

Match

Error

occurs

PFC

(PORT)

TSTR

(0)

TMDR

(PWM2)

TIOR

(1 init

0 out)

PFC

(MTU)

TSTR

(1)

MTU module

output

TIOC*A

TIOC*B

Port output

PEn

• Not initialized (TIOC*B)

• Not initialized (cycle register)

n=0 to 15

Hi-Z

Figure 8.92 Error Occurrence in PWM Mode 1, Recovery in PWM Mode 2

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