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SH7041A bảng dữ liệu(PDF) 472 Page - Renesas Technology Corp |
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SH7041A bảng dữ liệu(HTML) 472 Page - Renesas Technology Corp |
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472 / 923 page ![]() 434 (21) Operation when Error Occurs during Complementary PWM Mode Operation, and Operation is Restarted in Normal Mode: Figure 12.116 shows an explanatory diagram of the case where an error occurs in complementary PWM mode and operation is restarted in normal mode after re-setting. 1 RESET 2 TOCR 3 TMDR (CPWM) 5 PFC (MTU) 4 TOER (1) 6 TSTR (1) 7 Match 8 Error occurs 9 PFC (PORT) 10 TSTR (0) 11 TMDR (normal) 12 TIOR (1 init 0 out) 13 PFC (MTU) 14 TSTR (1) MTU output TIOC3A TIOC3B TIOC3D Port output PE9 PE8 PE11 High-Z High-Z High-Z Figure 12.116 Error Occurrence in Complementary PWM Mode, Recovery in Normal Mode 1.After a reset, MTU output is low and ports are in the high-impedance state. 2.Select the complementary PWM output level and cyclic output enabling/disabling with TOCR. 3.Set complementary PWM. 4.Enable channel 3 and 4 output with TOER. 5.Set MTU output with the PFC. 6.The count operation is started by TSTR. 7.The complementary PWM waveform is output on compare-match occurrence. 8.An error occurs. 9.Set port output with the PFC and output the inverse of the active level. 10.The count operation is stopped by TSTR.(MTU output becomes the complementary PWM output initial value.) 11. Set normal mode. (MTU output goes low.) 12.Initialize the pins with TIOR. 13.Set MTU output with the PFC. 14.Operation is restarted by TSTR. |
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