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參數(shù)資料
| 型號(hào)： | M37753M8C |
| 廠商： | Mitsubishi Electric Corporation |
| 英文描述： | Single Chip 16 Bits CMOS Microcomputer(16位單片機(jī)) |
| 中文描述： | 單片微機(jī)16位的CMOS（16位單片機(jī)） |
| 文件頁數(shù)： | 35/109頁 |
| 文件大?。?/td> | 865K |
| 代理商： | M37753M8C |
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35
MITSUBISHI MICROCOMPUTERS
M37753M8C-XXXFP, M37753M8C-XXXHP
M37753S4CFP, M37753S4CHP
PRELIMINARY
Notice: This is not a final specification.
Some parametric limits are subject to change.
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
Timer function for motor control
Three-phase motor drive waveform and pulse motor drive waveform
can be output by using plural internal timers A and B. Those modes
are explained bellow.
Three-phase motor drive waveform output
mode (three-phase waveform mode)
Three-phase waveform mode using four timers of the timers A0, A1,
A2 and B4 is selected by setting the waveform output select bits of
the waveform output mode register (address 1A
16
,
Figure 41) to
“100
2
”.
There are two types of the three-phase waveform mode: three-
phase mode 0 and three-phase mode 1. Bit 4 of the waveform out-
put mode register selects either mode. In three-phase waveform
mode, set the corresponding timer mode registers of timers A0, A1,
and A2 to select the one-shot pulse mode with the rising edge of ex-
ternal trigger; set the timer mode register of timer B2 to select the
timer mode.
Figure 43 shows the three-phase waveform mode block diagram.
The three-phase waveform mode outputs six waveforms, positive
waveforms (U, V, W phases) and negative waveforms (U, V, W
phases), from the respective ports with “L” level active.
Timer A2 controls U and U phases; timer A1 does V and V phases
and timer A0 does W and W phases. Timer B2 controls those one-
shot pulses’ period of timers A2, A1 and A0.
In the waveform output, a short circuit prevention time can be set to
prevent “L” level of positive waveforms (U, V, W phases) from over-
lapping with “L” level of their negative waveforms (U, V, W phases).
The short circuit prevention time can be set with three 8-bit dead-
time timers, sharing one reload register. The dead-time timer oper-
ates as a one-shot timer. As its start trigger, both the rising and falling
edges of timers A0 to A2’s one-shot pulses or their falling edge. Bit 6
of the waveform output mode register selects it. When that is “0”,
both the rising and falling edges become the start trigger; when that
is “1”, the falling edge becomes it.
Timer A0 mode register 56
16
Timer A1 mode register 57
16
Timer A2 mode register 58
16
Fix to “10” in three-phase
waveform mode
Fix to “0111” in three-phase
waveform mode
Clock source select bit
0 0 : Select Pf
2
0 1 : Select Pf
16
1 0 : Select Pf
64
1 1 : Select Pf
512
7
6
5
0
4
1
3
1
2
1
1
1
0
0
Address
Timer B2 mode register 5D
16
Fix to “00” in three-phase
waveform mode
Not used in three-phase
waveform mode
Clock source select bit
0 0 : Select Pf
2
0 1 : Select Pf
16
1 0 : Select Pf
64
1 1 : Select Pf
512
7
6
5
×
4
3
×
2
×
1
0
0
0
Address
Fig. 42 Timer A0, A1, A2, mode register and timer B2 mode regis-
ter bit configuration
Waveform output mode register 1A
16
Waveform output select bits
100 : Fix to “100” in three-phase
waveform mode
(Valid in three-phase mode 1)
Three-phase output polarity set buffer
0 : “H” output
1 : “L” output
Three-phase mode select bit
0 : Three-phase mode 0
1 : Three-phase mode 1
Not used in three-phase
waveform mode
Dead-time timer trigger select bit
0 : Both edge of one-shot pulse
with timers A2 to A0
1 : Only the falling edge of one-shot
pulse with timers A2 to A0
Waveform output control bit
0 : Waveform output disabled
1 : Waveform output enabled
7
6
5
×
4
3
2
1
1
0
0
0
Address
Note :
Only when bit 5 of the particular function select register 1
(in Fig. 15) is set to “1”, this register’s contents can be changed
from the status during reset (in Fig.76).
Fig. 41 Waveform output mode register bit configuration
相關(guān)PDF資料 |
PDF描述 |
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| M37754M6C | Single Chip 16 Bits CMOS Microcomputer(16位單片機(jī)) |
| M378T2953BG0-CC | DDR2 Unbuffered SDRAM MODULE |
| M378T3354BG | DDR2 Unbuffered SDRAM MODULE |
| M378T3354BG0-CC | DDR2 Unbuffered SDRAM MODULE |
| M378T6553BG0-CC | DDR2 Unbuffered SDRAM MODULE |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| M37753M8C-XXXFP | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER |
| M37753M8C-XXXHP | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER |
| M37753S4CFP | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER |
| M37753S4CHP | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER |
| M37754 | 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 16BIT CMOS MICROCOMPUTER |
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