R5F72115D160FPV datasheet(593/1228 Pages) RENESAS

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Section 10 Multi-Function Timer Pulse Unit 2 (MTU2)

Rev. 2.00 May. 08, 2008 Page 569 of 1200

REJ09B0344-0200

(1)

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

Restarted in Normal Mode

Figure 10.135 shows an explanatory diagram of the case where an error occurs in normal mode

and operation is restarted in normal mode after re-setting.

RESET

TMDR

(normal)

TOER

(1)

PFC

(MTU2)

TIOR

(1 init

0 out)

TSTR

(1)

Match

Error

occurs

PFC

(PORT)

TSTR

(0)

TMDR

(normal)

TIOR

(1 init

0 out)

PFC

(MTU2)

TSTR

(1)

MTU2 module output

TIOC*A

TIOC*B

Port output

PEn

n = 0 to 15

High-Z

Figure 10.135 Error Occurrence in Normal Mode, Recovery in Normal Mode

After a reset, MTU2 output is low and ports are in the high-impedance state.

After a reset, the TMDR setting is for normal mode.

For channels 3 and 4, enable output with TOER before initializing the pins with TIOR.

Initialize the pins with TIOR. (The example shows initial high output, with low output on

compare-match occurrence.)

Set MTU2 output with the PFC.

The count operation is started by TSTR.

Output goes low on compare-match occurrence.

An error occurs.

Set port output with the PFC and output the inverse of the active level.

10. The count operation is stopped by TSTR.

11. Not necessary when restarting in normal mode.

12. Initialize the pins with TIOR.

13. Set MTU2 output with the PFC.

14. Operation is restarted by TSTR.

R5F72115D160FPV Datasheet(PDF) 593 Page - Renesas Technology Corp

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