參數(shù)資料
型號: M37905M4C-XXXSP
廠商: Mitsubishi Electric Corporation
英文描述: 16 BIT CMOS MICROCOMPUTER
中文描述: 16位CMOS微機(jī)
文件頁數(shù): 49/102頁
文件大?。?/td> 881K
代理商: M37905M4C-XXXSP
PRELIMINARY
Notice: This is not a final specification.
Some parametric limits are subject to change.
49
M37905M4C-XXXFP, M37905M4C-XXXSP
M37905M6C-XXXFP, M37905M6C-XXXSP
M37905M8C-XXXFP, M37905M8C-XXXSP
16-BIT CMOS MICROCOMPUTER
MITSUBISHI MICROCOMPUTERS
PULSE OUTPUT PORT MODE 1
Figure 54 shows the block diagram in the pulse output port mode 1.
This mode has an 8-bit pulse output port. The waveform output se-
lect bits (bits 0 to 2) of the pulse output control register (address
A0
16
) select use of pulse output the port. The 8-bit pulse output port
can also be divided into “4 bits and 4 bits” or “6 bits and 2 bits”, with
the pulse output mode select bit (bit 3) of the pulse output control
register (address A0
16
); each of them can be individually controlled.
Set timers A8 and A5 to the timer mode because they are used in the
pulse output port mode 1. Figure 56 shows the bit configuration of
timer A8 and A5 mode registers in the pulse output port mode 1.
Timers A8 and A5 start count when setting the corresponding timer
count start bit to “1”, and they stop it when clearing that bit to “0”.
Fig. 54 Block diagram in pulse output port mode 1
Each bit using timer A5 as a trigger can also be controlled by an in-
put trigger from pin RTP
TRG1
. This control is selected by the pulse
output trigger select bits of the pulse output data register 0 (bits 7
and 6 at address A2
16
). Also, this externally-input trigger can be se-
lected from the following three types: falling edges, rising edges, and
falling and rising edges.
The reversed content of the pulse output data bit can be output to
each pulse output port by the pulse output polarity select bit of the
pulse output data register 1 (bit 3 at address A4
16
). When the pulse
output polarity select bit = “0”, the content of the pulse output data bit
is output as it is; when the pulse output polarity select bit = “1”, the
reversed content is output.
b0
b1
b2
b0
b1
b2
b3
b4
b5
RTP3
0
RTP3
1
RTP2
3
D Q
D Q
D Q
D Q
D Q
DT
RTP2
1
RTP2
2
D Q
R
DT
D Q
D Q
R
RTP2
0
DT
b6
b7
D Q
D Q
T
RTP3
2
RTP3
3
P4OUT
CUT
Pulse output polarity
select bit
(bit 3 at address A4
16
)
Waveform output
control bit 0
(bit 6 at address A0
16
)
Reset
Pulse width
modulation
circuit
Pulse output trigger select bits
(bits 7, 6 at address A2
16
)
Pulsoutput of timer A6
Pulse width modulation timer select bits
(bits 5, 4 at address A0
16
)
Pulsoutput of timer A7
Pulsoutput of timer A9
Timer A8
Pulse width modulation enable bits
0 through 2
(bits 0 through 2 at address A4
16
)
Timer A5
RTP
TRG1
Bits 0 through 3 of pulse
output data register 0
(address A2
16
)
Bits 4, 5 of three-phase output data register 0
(address A2
or
Bits 4, 5 of three-phase output data register 1
(address A4
16
)
16
)
Bits 6, 7 of pulse output data
register 1 (address A4
16
)
D
Pulse output mode
select bit
(bit 3 at address A0
16
)
Waveform output control bit 1
(bit 7 at address A0
16
)
Reset
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