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| 型號(hào)： | M306NAMCV-XXXFP |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 16-BIT, MROM, 16 MHz, MICROCONTROLLER, PQFP100 |
| 封裝： | 14 X 20 MM, 0.65 MM PITCH, PLASTIC, QFP-100 |
| 文件頁(yè)數(shù)： | 12/294頁(yè) |
| 文件大小： | 2763K |
| 代理商： | M306NAMCV-XXXFP |
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Timer's Functions for Three-Phase Motor Control
Mitsubishi microcomputers
M16C / 6N0 / 6N1 Group
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
109
Figure 1.15.5 shows the block diagram for three-phase PWM output mode. In three-phase PWM output
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mode, the positive-phase PWM output (U phase, V phase, and W phase) and negative waveforms (U
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phase, V phase, and W phase), six waveforms in total, are output from P80, P81, P72, P73, P74, and P75
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as active on the "L" level. Of the timers used in this mode, timer A4 controls the U phase and U phase,
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timer A1 controls the V phase and V phase, and timer A2 controls the W phase and W phase respectively;
timer B2 controls the periods of one-shot pulse output from timers A4, A1, and A2.
In outputting a waveform, dead time can be set so as to cause the "L" level of the positive waveform
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output (U phase, V phase, and W phase) not to lap over the "L" level of the negative waveform output (U
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phase, V phase, and W phase).
To set short circuit time, use three 8-bit timers sharing the reload register for setting dead time. A value
from 1 through 255 can be set as the count of the timer for setting dead time. The timer for setting dead
time works as a one-shot timer. If a value is written to the dead timer (address 01CC16), the value is
written to the reload register shared by the three timers for setting dead time.
Any of the timers for setting dead time takes the value of the reload register into its counter, if a start
trigger comes from its corresponding timer, and performs a down count in line with the clock source
selected by the dead time timer count source select bit (bit 2 at address 01C916). The timer can receive
another trigger again before the workings due to the previous trigger are completed. In this instance, the
timer performs a down count from the reload register's content after its transfer, provoked by the trigger,
to the timer for setting dead time.
Since the timer for setting dead time works as a one-shot timer, it starts outputting pulses if a trigger
comes; it stops outputting pulses as soon as its content becomes 0016, and waits for the next trigger to
come.
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The positive waveforms (U phase, V phase, and W phase) and the negative waveforms (U phase, V
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phase, and W phase) in three-phase PWM output mode are output from respective ports by means of
setting "1" in the output control bit (bit 3 at address 01C816). Setting "0" in this bit causes the ports to be
the state of set by port direction register. This bit can be set to "0" not only by use of the applicable
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instruction, but by entering a falling edge in the NMI terminal or by resetting. Also, if "1" is set in the
positive and negative phases concurrent "L" output disable function enable bit (bit4 at address 01C816)
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causes one of the pairs of U phase and U phase, V phase and V phase, and W phase and W phase
concurrently go to "L", as a result, the output control bit become the state of set by port direction register.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| M306NBMCT-XXXFP | 16-BIT, MROM, 16 MHz, MICROCONTROLLER, PQFP100 |
| M306NAMGT-XXXFP | 16-BIT, MROM, 16 MHz, MICROCONTROLLER, PQFP100 |
| M306NAFGTFP | 16-BIT, FLASH, 16 MHz, MICROCONTROLLER, PQFP100 |
| M306NBMCT-XXXFP | 16-BIT, MROM, 16 MHz, MICROCONTROLLER, PQFP100 |
| M306NBMCV-XXXFP | 16-BIT, MROM, 16 MHz, MICROCONTROLLER, PQFP100 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| M306NKFHGP | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:Renesas MCU |
| M306NKFHGP#U3 | 功能描述:IC M16C MCU FLASH 384K 100LQFP RoHS:是 類別:集成電路 (IC) >> 嵌入式 - 微控制器， 系列:M16C™ M16C/60/6NK 標(biāo)準(zhǔn)包裝:1 系列:AVR® ATmega 核心處理器:AVR 芯體尺寸:8-位 速度:16MHz 連通性:I²C，SPI，UART/USART 外圍設(shè)備:欠壓檢測(cè)/復(fù)位，POR，PWM，WDT 輸入/輸出數(shù):32 程序存儲(chǔ)器容量:32KB（16K x 16） 程序存儲(chǔ)器類型:閃存 EEPROM 大小:1K x 8 RAM 容量:2K x 8 電壓 - 電源 (Vcc/Vdd):2.7 V ~ 5.5 V 數(shù)據(jù)轉(zhuǎn)換器:A/D 8x10b 振蕩器型:內(nèi)部 工作溫度:-40°C ~ 125°C 封裝/外殼:44-TQFP 包裝:剪切帶 (CT) 其它名稱:ATMEGA324P-B15AZCT |
| M306NKFHTGP | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:Renesas MCU |
| M306NKFHVGP | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:Renesas MCU |
| M306NKFJGP | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:Renesas MCU |
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