m37905 Renesas Electronics Corporation., m37905 Datasheet - Page 222
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m37905
Manufacturer Part Number
m37905
Description
Mitsubishi 16-bit Single-chip Microcomputer 7700 Family / 7900 Series
Manufacturer
Renesas Electronics Corporation.
Datasheet
1.M37905.pdf
(565 pages)
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Fig. 10.2.2 Structure of waveform output mode register (three-phase waveform mode)
10.2.1 Waveform output mode register
Figure 10.2.2 shows the structure of the waveform output mode register (the three-phase waveform mode).
Note that writing to bits 0 through 6 of this register must be performed when the counting in timers A0
through A3 is halts.
X: It may be either “0” or “1.”
Notes 1: When not using pulse output port 0 and three-phase waveform mode, be sure to fix these bits to “000
Waveform output mode register (Address A6
Bit
0
1
2
3
4
5
6
7
2: This bit is invalid in three-phase mode 0.
3: When the saw-tooth-wave modulation output is performed, be sure to fix this bit to “0.”
4: Writing to any of bits 0 to 6 must be performed while counting for timers A0 to A3 halts.
Waveform output select bits
Three-phase output polarity set buffer
(Valid in three-phase mode 1) (Note 2)
Three-phase mode select bit
Invalid in the three-phase waveform mode.
Dead-time timer trigger select bit
Waveform output control bit
Bit name
(Note 1)
(Note 3)
7905 Group User’s Manual Rev.1.0
THREE-PHASE WAVEFORM MODE
b2
1 0 0 : Three-phase waveform mode
0 : “H” output
1 : “L” output
0 : Three-phase mode 0
1 : Three-phase mode 1
0: Both falling and rising edges of one-shot
1: Only the falling edge of one-shot pulse for
0 : Waveform output disabled
1 : Waveform output enabled
16
b1
)
pulse for timers A0 to A2
timers A0 to A2
b0
Function
b7 b6 b5 b4 b3 b2 b1 b0
10.2 Block description
X
At reset
2
.”
0
0
0
0
0
0
0
0
1
R/W
RW
RW
RW
RW
RW
RW
RW
RW
0
0
10-5
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