m37905 Renesas Electronics Corporation., m37905 Datasheet - Page 232
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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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Fig. 10.2.12 Structure of timer A3 mode register (three-phase waveform mode)
10.2.8 Timer A3
Timer A3 is used to control the carrier’s period of the whole three-phase waveform and is used in the timer
mode.
Note that a pulse is output, due to timer A3, from pin P6
(2) Pulse output function.”) When not outputing the pulse, be sure to clear bit 2 of the timer A3 mode
register (address 59
Figure 10.2.12 shows the structure of the timer A3 mode register (the three-phase waveform mode).
Timer A3 mode register
Bit
0
1
2
3
4
5
6
7
Fix these bits to “00
Pulse output function select bit
Fix these bits to “000
Count source select bits
16
) to “0.” At this time, pin P6
Bit name
(Address 59
2
” in the three-phase waveform mode.
2
” in the three-phase waveform mode.
16
7905 Group User’s Manual Rev.1.0
)
THREE-PHASE WAVEFORM MODE
See Table 7.2.3.
0 : No pulse output
1 : Pulse output
(TA3
(TA3
OUT
OUT
6
pin functions as a programmable I/O port pin.)
pin functions as a pulse outpt pin.)
can be used as a programmable I/O port pin.
6
/TA3
Function
OUT
. (Refer to section “7.3.3 Select function;
b7 b6 b5 b4 b3 b2 b1 b0
10.2 Block description
0 0
At reset
0
0
0
0
0
0
0
0
0
0
R/W
RW
RW
RW
RW
RW
RW
RW
RW
0
10-15
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