SH7261 datasheet(612/1348 Pages) RENESAS

612 / 1348 page

Section 12 Multi-Function Timer Pulse Unit 2 (MTU2)

Rev. 2.00 Sep. 07, 2007 Page 580 of 1312

REJ09B0320-0200

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

Restarted in Phase Counting Mode

Figure 12.134 shows an explanatory diagram of the case where an error occurs in PWM mode 1

and operation is restarted in phase counting mode after re-setting.

Power-on

reset

PB, PC, PD*1

PB, PC, PD*2

Notes: 1. This pin is multiplexed with TIOC*A.

2. This pin is multiplexed with TIOC*B.

TMDR

(PWM1)

TOER

(1)

PFC

(MTU2)

TIOR

(1 init

0 out)

TSTR

(1)

Match

Error

occurs

PFC

(PORT)

TSTR

(0)

TMDR

(PCM)

TIOR

(1 init

0 out)

PFC

(MTU2)

TSTR

(1)

MTU2

module output

TIOC*A

TIOC*B

Port output

Not initialized (TIOC*B)

High-Z

Figure 12.134 Error Occurrence in PWM Mode 1, Recovery in Phase Counting Mode

1 to 10 are the same as in figure 12.131.

11. Set phase counting mode.

12. Initialize the pins with TIOR.

13. Set MTU2 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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