m37905 Renesas Electronics Corporation., m37905 Datasheet - Page 205

• Manufacturer Part Number: m37905
• Description: Mitsubishi 16-bit Single-chip Microcomputer 7700 Family / 7900 Series
• Manufacturer: Renesas Electronics Corporation.

PULSE OUTPUT PORT MODE
9.3 Block description of pulse output port 1
Fig. 9.3.6 Structures of timer A6, A7, A9 mode registers (pulse output port 1 with pulse width
9-24
Timer A6 mode register (Address D7
Timer A7 mode register (Address D8
Timer A9 mode register (Address DA
Bit
Bit
0
1
2
3
4
5
6
7
0
1
2
3
4
5
6
7
modulation used)
Fix these bits to “00011
16/8-bit PWM mode select bit
Count source select bits
Fix these bits to “11
Pulse output function select bit
Fix these bits to “00
16/8-bit PWM mode select bit
Count source select bits
Bit name
Bit name
2
2
” in the pulse output port mode.
” in the pulse output port mode.
2
” in the pulse output port mode.
7905 Group User’s Manual Rev.1.0
16
16
16
)
)
)
0 : No pulse output
1 : Pulse output
See Table 7.2.3.
See Table 7.2.3.
0 : 16-bit pulse width modulator
1 : 8-bit pulse width modulator
0 : 16-bit pulse width modulator
1 : 8-bit pulse width modulator
(TA9
pin.)
(TA9
OUT
OUT
pin functions as a programmable I/O port
pin functions as a PWM pulse output pin.)
Functions
Functions
b7 b6 b5 b4 b3 b2 b1 b0
b7 b6 b5 b4 b3 b2 b1 b0
0
0
At reset
At reset
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
R/W
R/W
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
1 1
1 1