SH7261 datasheet(604/1348 Pages) RENESAS

604 / 1348 page

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

Rev. 2.00 Sep. 07, 2007 Page 572 of 1312

REJ09B0320-0200

(2)

Operation when Error Occurs during Normal Mode Operation, and Operation is

Restarted in PWM Mode 1

Figure 12.126 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.

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

(normal)

TOER

(1)

PFC

(MTU2)

TIOR

(1 init

0 out)

TSTR

(1)

Match

Error

occurs

PFC

(PORT)

TSTR

(0)

TMDR

(PWM1)

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

1 to 10 are the same as in figure 12.125.

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 MTU2 output with the PFC.

14. Operation is restarted by TSTR.

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