m37905 Renesas Electronics Corporation., m37905 Datasheet - Page 228
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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(1) W-phase fixed output’s polarity set bit (bit 0)
(2) V-phase fixed output’s polarity set bit (bit 1)
(3) U-phase fixed output’s polarity set bit (bit 2)
(4) V-phase output polarity set buffer (bit 4) (in three-phase mode 0)
(5) U-phase output polarity set buffer (bit 5) (in three-phase mode 0)
Clearance of this bit to “0” fixes the output level at the W-phase waveform output pin to “H”; vice
versa, setting of this bit to “1” fixes the output level at the W-phase waveform output pin to “L.”
The output level at the W-phase waveform output pin is reversed.
Note that this bit is valid only when the W-phase output fix bit (bit 0 at address A8
Clearance of this bit to “0” fixes the output level at the V-phase waveform output pin to “H”; vice versa,
setting of this bit to “1” fixes the output level at the V-phase waveform output pin to “L.”
The output level at the V-phase waveform output pin is reversed.
Note that this bit is valid only when the V-phase output fix bit (bit 1 at address A8
Clearance of this bit to “0” fixes the output level at the U-phase waveform output pin to “H”; vice versa,
setting of this bit to “1” fixes the output level at the U-phase waveform output pin to “L.”
The output level at the U-phase waveform output pin is reversed.
Note that this bit is valid only when the U-phase output fix bit (bit 2 at address A8
This bit serves as the buffer to set the V-phase output polarity. (Refer to section “10.2.9 Output
polarity set toggle flip-flop.”)
Interrupt request interval set bit (bit 4) (in three-phase mode 1)
This bit serves as the buffer to set the U-phase output polarity. (Refer to section “10.2.9 Output
polarity set toggle flip-flop.”)
Interrupt validity output select bit (bit 5) (in three-phase mode 1)
Clearance of this bit to “0” generates a timer A3 interrupt request at every second time; vice versa,
setting of this bit to “1” generates a timer A3 interrupt request at every forth time.
(Refer to section “10.4 Three-phase mode 1.”)
Clearance of this bit to “0” generates a timer A3 interrupt request at every even-numbered underflow
of timer A3; vice versa, setting of this bit to “1” generates a timer A3 interrupt request at every odd-
numbered underflow of timer A3.
(Refer to section “10.4 Three-phase mode 1.”)
7905 Group User’s Manual Rev.1.0
THREE-PHASE WAVEFORM MODE
10.2 Block description
16
16
16
) = “1.”
) = “1.”
) = “1.”
10-11
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