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8
MITSUBISHI MICROCOMPUTERS
M37735S4BFP
16-BIT CMOS MICROCOMPUTER
PRELIMINARY
Notice: This is not a final specification.
Some parametric limits are subject to change.
RTP1
0
, RTP1
1
, RTP1
2
, and RTP1
3
are applied pulse width modulation
by timer A3 by setting the pulse width modulation selection bit by
timer A3 (bit 5) of the waveform output mode register to “1”.
RTP0
0
, RTP0
1
, RTP0
2
, and RTP0
3
are applied pulse width modulation
by timer A1 by setting the pulse width modulation selection bit by
timer A1 (bit 4) of the waveform output mode register to “1”.
The contents of the pulse output data register 0 can be reversed and
output to pulse output ports RTP0
0
, RTP0
1
, RTP0
2
, and RTP0
3
by
the polarity selection bit (bit 3) of the waveform output mode register.
When the polarity selection bit is “0”, the contents of the pulse output
data register 0 is output unchangeably, and when “1”, the contents of
the pulse output data register 0 is reversed and output. When pulse
width modulation is applied, likewise the polarity reverse to pulse
width modulation can be selected by the polarity selection bit.
Fig. 4 Waveform output mode register bit configuration
Fig. 5 Timer A0, A2 mode register bit configuration in pulse output
port mode
Fig. 6 Pulse output data register bit configuration
Weveform output selection bit
0 0 : Parallel port
0 1 : RTP1 selected
1 0 : RTP0 selected
1 1 : RTP1 and RTP0 selected
Pulse width modulation selection bit
by timer A3
0 : Not modulated
1 : Modulated
Always “0”
7
6 5 4
3 2
0
1
Weveform output mode register 62
16
Address
Polarity selection bit
0 : Positive polarity
1 : Negative polarity
Pulse width modulation selection bit
by timer A1
0 : Not modulated
1 : Modulated
0
Always “100” in pulse output
port mode
Clock source selection bit
0 0 : Select f
2
0 1 : Select f
16
1 0 : Select f
64
1 1 : Select f
512
7
6 5 4
3 2
0
1
Timer A0 mode register 56
16
Timer A2 mode register 58
16
Address
Not used in pulse output port mode
Always “00” in pulse output port mode
0 0 X 1 0 0
RTP1
0
output data
7
6 5 4
3 2
0
1
Pulse output data register 1 1C
16
Address
RTP1
1
output data
RTP1
2
output data
RTP1
3
output data
RTP0
0
output data
7
6 5 4
3 2
0
1
Address
RTP0
1
output data
RTP0
2
output data
RTP0
3
output data
Pulse output data register 0 1D
16