M30622ECTFP MITSUBISHI [Mitsubishi Electric Semiconductor], M30622ECTFP Datasheet - Page 111

• Manufacturer Part Number: M30622ECTFP
• Description: SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
• Manufacturer: MITSUBISHI [Mitsubishi Electric Semiconductor]

Timers’ functions for three-phase motor control
Figure 1.18.9. Timing chart of operation (4)
Trigger signal for
timer Ai start
signal)
Timer A4 output
U phase
output signal
U phase
Timer B2
U phase
output signal
U phase
(timer B2 overflow
Tentative Specifications REV.A
Signal wave
A carrier wave of sawtooth waveform
S
pecifications in this manual are tentative and subject to change.
Carrier wave
Dead time
Note: Set to sawtooth modulation mode and to three-phase mode 0.
Interrupt occurres.
Rewriting the value of timer A4.
m
Rewriting three-phase
output buffer register
n
Interrupt occurres.
Rewriting the value of timer A4.
111
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
Data transfer is made from the three-
phase buffer register to the three-
phase shift register in step with the
timing of the timer B overflow.
p
Mitsubishi microcomputers
M16C / 62T Group
The three-phase
shift register shifts
in synchronization
with the falling
edge of timer A4.