SH7041A datasheet(468/923 Pages) RENESAS

部品番号	SH7041A

部品情報	Renesas 32-Bit Single-Chip RISC Microprocessor SuperH RISC engine Family/SH7040 Series(CPU Core SH-2)

PDF	923 Pages

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メーカー	RENESAS [Renesas Technology Corp]

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(17) Operation when Error Occurs during Phase Counting Mode Operation, and Operation

is Restarted in Normal Mode: Figure 12.112 shows an explanatory diagram of the case where an

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

RESET

TMDR

(PCM)

TIOR

(1 init

0 out)

TSTR

(1)

PFC

(MTU)

Match

Error

occurs

PFC

(PORT)

TSTR

(0)

TMDR

(normal)

TIOR

(1 init

0 out)

PFC

(MTU)

TSTR

(1)

MTU output

TIOC*A

TIOC*B

Port output

PEn

n=0 to 15

High-Z

Figure 12.112 Error Occurrence in Phase Counting Mode, Recovery in Normal Mode

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

2.Set phase counting mode.

3. Initialize the pins with TIOR.

(The example shows initial high output, with low output on

compare-match occurrence.)

4.Set MTU output with the PFC.

5.The count operation is started by TSTR.

6.Output goes low on compare-match occurrence.

7.An error occurs.

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

9.The count operation is stopped by TSTR.

10.Set in normal mode.

11.Initialize the pins with TIOR.

12.Set MTU output with the PFC.

13.Operation is restarted by TSTR.

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