m37905 Renesas Electronics Corporation., m37905 Datasheet - Page 194

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

Fig. 9.2.6 Structures of timer A1, A2, A4 mode registers (pulse output port 0 with pulse width
Timer A1 mode register (Address 57
Timer A2 mode register (Address 58
Timer A4 mode register (Address 5A
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
(TA4
pin.)
(TA4
OUT
OUT
9.2 Block description of pulse output port 0
PULSE OUTPUT PORT MODE
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
9-13