Fujitsu FR81S User Manual
CHAPTER 48: WAVEFORM GENERATOR
4. Registers
FUJITSU SEMICONDUCTOR LIMITED
CHAPTER : WAVEFORM GENERATOR
FUJITSU SEMICONDUCTOR CONFIDENTIAL
18
[bit2 to bit0] TMD8 to TMD6: Operation mode bits
TMD8
TMD7
TMD6
Function
0
0
0
OUT signal will be output.
0
0
1
If PPG output is disabled, OUT signal will be output.
If PPG output is enabled, PPG pulse will be output while the
OUT signal is "H".
0
1
0
The rising edge of each OUT signal functions as a trigger and
activates the 16-bit dead timer.
If PPG output is disabled, "H" will be output until the 16-bit
dead timer stops.
If PPG output is enabled, PPG pulse will be output until the
16-bit dead timer stops.
(Timer mode)
1
0
0
Non-overlap signal will be generated at OUT signal.
(Dead time timer mode)
1
1
1
Setting prohibited
Others
Setting prohibited
⋅
These bits are used to select the operation mode for the waveform generator.
⋅
If the TMD8 to TMD6: bit10 to bit8 are "000
B
", the compare output 4 and 5 signals of the output
compare will be output from RTO4 and RTO5 respectively. The 16-bit dead timer can also be used as a
reload timer.
⋅
If the TMD8 to TMD6: bit10 to bit8 are "001
B
", the compare output 4 and 5 signals of the output
compare will be output from RTO4 and RTO5 respectively when PPG output is disabled
(PGEN4:bit30=0, PGEN5:bit31=0 of the PPG output control register (PICS0)). When PPG output is
enabled (PGEN4:bit30=1, PGEN5:bit31=1 of PPG output control register (PICS0)), PPG pulse will be
output from RTO4 and RTO5 respectively while the compare output 4 and 5 signals of the output
compare are "H". The 16-bit dead timer can also be used as a reload timer.
⋅
The rising edge of each OUT signal functions as a trigger and activates the 16-bit dead timer when
TMD8 to TMD6: bit10 to bit8 are "010
B
". If PPG output is disabled, "H" will be output until the 16-bit
dead timer stops. If PPG output is enabled, PPG pulse will be output until the 16-bit dead timer stops.
(Timer mode)
⋅
When TMD8 to TMD6: bit10 to bit8 are "100
B
", non-overlap signal will be generated at the OUT signal.
(Dead time timer mode)
Note:
To operate the waveform generator in the dead time timer mode, be sure to select the 2-channel mode
(compare control register (OCS45); CMOD: bit28=1) for the compare output 5 of the output compare.
MB91520 Series
MN705-00010-1v0-E
2063