m37905 Renesas Electronics Corporation., m37905 Datasheet - Page 198

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

Port: This serves as a programmable I/O port pin or timer I/O pin.
RTP: This serves as a pulse output pin regardless of the contents of the corresponding port direction register.
Note: This is selected by the pulse output mode select bit (bit 3 at address A0
Table 9.3.1 Functions of waveform output select bits
Table 9.3.2 Functions of pulse width modulation timer select bits
Note 1: The pulse width modulation cannot be applied to pins RTP3
Pulse mode 0
Pulse mode 1
Pulse mode 0
Pulse mode 1
(2) Pulse output mode select bit (bit 3)
(3) Pulse width modulation timer select bits (bits 5 and 4)
(1) Waveform output select bits (bits 2 to 0)
(Note 2)
b2 b1 b0
(Note 1)
2: The pulse width modulation cannot be applied to pins RTP3
(Note)
(Note)
This bit is used to select the operation mode of pulse output port 1: pulse mode 0 or pulse mode 1.
These bits are used to select the type of the pulse width modulation of pulse output port 1. Table 9.3.2
lists the functions of the pulse width modulation timer select bits.
These bits are used to select whether a pin serves as a programmable I/O port pin or
a pulse output pin. Table 9.3.1 lists the functions of the waveform output select bits.
b5 b4
P4
P4
P4
P4
P4
P4
P4
P4
P4
P4
P4
P4
P4
P4
P4
P4
P4
P4
P4
P4
P4
P4
P4
P4
P4
P4
7
6
5
4
3
2
1
0
5
4
3
2
1
0
7
6
5
4
3
2
1
0
3
2
1
0
/RTP3
/RTP3
/RTP3
/RTP3
/RTP2
/RTP2
/RTP2
/RTP2
/RTP3
/RTP3
/RTP2
/RTP2
/RTP2
/RTP2
/RTP3
/RTP3
/RTP3
/RTP3
/RTP2
/RTP2
/RTP2
/RTP2
/RTP2
/RTP2
/RTP2
/RTP2
000
00
3
2
1
0
3
2
1
0
1
0
3
2
1
0
3
2
1
0
3
2
1
0
3
2
1
0
Timer A6
Timer A6
Port
Port
Port
Port
7905 Group User’s Manual Rev.1.0
P4
P4
P4
P4
P4
P4
P4
P4
P4
P4
P4
P4
P4
P4
P4
P4
P4
P4
P4
P4
P4
P4
Do not select.
7
6
5
4
3
2
1
0
7
6
5
4
3
2
1
0
/RTP3
/RTP3
/RTP3
/RTP3
/RTP2
/RTP2
/RTP2
/RTP2
5
4
3
2
1
0
/RTP3
/RTP3
/RTP3
/RTP3
/RTP2
/RTP2
/RTP2
/RTP2
/RTP3
/RTP3
/RTP2
/RTP2
/RTP2
/RTP2
001
9.3 Block description of pulse output port 1
PULSE OUTPUT PORT MODE
01
3
2
1
0
3
2
1
0
3
2
1
0
3
2
1
0
1
0
3
2
1
0
Timer A7
Timer A6
Port
RTP
RTP
Port
0
2
P4
P4
P4
P4
P4
P4
P4
P4
P4
P4
P4
P4
P4
P4
P4
P4
P4
P4
P4
P4
P4
P4
to RTP3
and RTP3
Do not select.
7
6
5
4
3
2
1
0
7
6
5
4
3
2
1
0
5
4
3
2
1
0
/RTP3
/RTP3
/RTP3
/RTP3
/RTP2
/RTP2
/RTP2
/RTP2
/RTP3
/RTP3
/RTP3
/RTP3
/RTP2
/RTP2
/RTP2
/RTP2
/RTP3
/RTP3
/RTP2
/RTP2
/RTP2
/RTP2
010
16
3
10
.
3
2
1
0
3
2
1
0
3
2
1
0
3
2
1
0
).
1
0
3
2
1
0
3
.
Timer A6
Timer A7
Timer A9
RTP
Port
Port
RTP
P4
P4
P4
P4
P4
P4
P4
P4
P4
P4
P4
P4
P4
P4
P4
P4
Do not select.
7
6
5
4
3
2
1
0
Do not select.
7
6
5
4
3
2
1
0
/RTP3
/RTP3
/RTP3
/RTP3
/RTP2
/RTP2
/RTP2
/RTP2
/RTP3
/RTP3
/RTP3
/RTP3
/RTP2
/RTP2
/RTP2
/RTP2
011
11
3
2
1
0
3
2
1
0
3
2
1
0
3
2
1
0
RTP
RTP
RTP
RTP
9-17