SH7101 datasheet(271/560 Pages) RENESAS

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Section 8 Multifunction Timer Pulse Unit (MTU)

Rev.1.00 Sep. 18, 2008 Page 237 of 522

REJ09B0069-0100

(2) Operation when Error Occurs during Normal Mode Operation, and Operation is

Restarted in PWM Mode 1

Figure 8.85 shows an explanatory diagram of the case where an error occurs in normal mode and

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

RESET

TMDR

(normal)

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 8.85 Error Occurrence in Normal Mode, Recovery in PWM Mode 1

1 to 10 are the same as in figure 8.84.

11. Set PWM mode 1.

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

initialization is required, initialize in normal mode, then switch to PWM mode 1.)

13. Set MTU output with the PFC.

14. Operation is restarted by TSTR.

(3) Operation when Error Occurs during Normal Mode Operation, and Operation is

Restarted in PWM Mode 2

Figure 8.86 shows an explanatory diagram of the case where an error occurs in normal mode and

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

RESET

TMDR

(normal)

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 (cycle register)

n=0 to 15

Hi-Z

Figure 8.86 Error Occurrence in Normal Mode, Recovery in PWM Mode 2

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