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參數(shù)資料
| 型號(hào)： | M30622MC-166FP |
| 廠商： | Mitsubishi Electric Corporation |
| 英文描述： | Silver Mica Capacitor; Capacitance:200pF; Capacitance Tolerance: 5%; Series:CM05; Voltage Rating:500VDC; Capacitor Dielectric Material:Mica; Termination:Radial Leaded; Lead Pitch:5.9mm; Leaded Process Compatible:No RoHS Compliant: No |
| 中文描述： | 單片16位CMOS微機(jī) |
| 文件頁(yè)數(shù)： | 104/276頁(yè) |
| 文件大?。?/td> | 3567K |
| 代理商： | M30622MC-166FP |
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Mitsubishi microcomputers
M16C / 62 Group
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
Timers’ functions for three-phase motor control
104
Figure 1.18.5 shows the block diagram for three-phase waveform mode. In three-phase waveform mode,
the positive-phase waveforms (U phase, V phase, and W phase) and negative waveforms (U phase, V
phase, and W phase), six waveforms in total, are output from P8
0
, P8
1
, P7
2
, P7
3
, P7
4
, and P7
5
as active
on the “L” level. Of the timers used in this mode, timer A4 controls the U phase and U phase, 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
output (U phase, V phase, and W phase) not to lap over the “L” level of the negative waveform output (U
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 (034C
16
), 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 0349
16
). 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 00
16
, and waits for the next trigger to
come.
The positive waveforms (U phase, V phase, and W phase) and the negative waveforms (U phase, V
phase, and W phase) in three-phase waveform mode are output from respective ports by means of
setting “1” in the output control bit (bit 3 at 0348
16
). 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 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 (bit 4 at 0348
16
) 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 port become the state of set by port direction register.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| M30622MC-528FP | MICA RoHS Compliant: No |
| M30622MC-541FP | MICA RoHS Compliant: No |
| M30622MA-D00GP | SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER |
| M30622M8A-XXXFP | SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER |
| M30622M8A-XXXGP | SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| M30622MC-528FP | 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER |
| M30622MC-541FP | 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER |
| M30622MC-577FP | 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER |
| M30622MC-737FP | 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER |
| M30622MC-740FP | 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER |
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