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SH7041A bảng dữ liệu(PDF) 477 Page - Renesas Technology Corp

tên linh kiện SH7041A
Giải thích chi tiết về linh kiện  Renesas 32-Bit Single-Chip RISC Microprocessor SuperH RISC engine Family/SH7040 Series(CPU Core SH-2)
PDF  923 Pages
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nhà sản xuất  RENESAS [Renesas Technology Corp]
Trang chủ  http://www.renesas.com
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SH7041A bảng dữ liệu(HTML) 477 Page - Renesas Technology Corp

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(25) Operation when Error Occurs during Reset-Synchronous PWM Mode Operation, and
Operation is Restarted in Normal Mode: Figure 12.121 shows an explanatory diagram of the
case where an error occurs in reset-synchronous 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 12.121 Error Occurrence in Reset-Synchronous 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 reset-synchronous PWM output level and cyclic output enabling/disabling with
TOCR.
3.Set reset-synchronous 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 reset-synchronous 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 reset-synchronous PWM
output initial value.)
11.Set normal operating mode.(MTU positive phase output is low, and negative phase output is
high.)
12.Initialize the pins with TIOR.
13.Set MTU output with the PFC.
14.Operation is restarted by TSTR.



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