SH7101 datasheet(272/560 Pages) RENESAS

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Section 8 Multifunction Timer Pulse Unit (MTU)

Rev.1.00 Sep. 18, 2008 Page 238 of 522

REJ09B0069-0100

1 to 10 are the same as in figure 8.84.

11. Set PWM mode 2.

12. Initialize the pins with TIOR. (In PWM mode 2, the cycle register pins are not initialized. If

initialization is required, initialize in normal mode, then switch to PWM mode 2.)

13. Set MTU output with the PFC.

14. Operation is restarted by TSTR.

Note:

PWM mode 2 can only be set for channels 0 to 2, and therefore TOER setting is not

necessary.

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

Restarted in Phase Counting Mode

Figure 8.87 shows an explanatory diagram of the case where an error occurs in normal mode and

operation is restarted in phase counting mode 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

(PCM)

TIOR

(1 init

0 out)

PFC

(MTU)

TSTR

(1)

MTU module

output

TIOC*A

TIOC*B

Port output

PEn

n=0 to 15

Hi-Z

Figure 8.87 Error Occurrence in Normal Mode, Recovery in Phase Counting Mode

1 to 10 are the same as in figure 8.84.

11. Set phase counting mode.

12. Initialize the pins with TIOR.

13. Set MTU output with the PFC.

14. Operation is restarted by TSTR.

Note:

Phase counting mode can only be set for channels 1 and 2, and therefore TOER setting is

not necessary.

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