m37905 Renesas Electronics Corporation., m37905 Datasheet - Page 203

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

PULSE OUTPUT PORT MODE
9-22
9.3 Block description of pulse output port 1
Fig. 9.3.4 Relationship between port P5 direction register and pulse output trigger input pin
9.3.3 Port P5 direction register
The pulse output trigger input pin is multiplexed with port P5
When using pin P5
register’s bit, corresponding to port P5
Figure 9.3.4 shows the relationship between port P5 direction register and a pulse output trigger input pin.
Port P5 direcition register (Address D
Note: ( ) shows the I/O pin of another internal peripheral device which is multiplexed.
Bit
0
1
2
3
4
5
6
7
Nothing is assigned.
Pin INT
Pin RTP
Pin INT
Nothing is assigned.
Pin INT
Pin INT
Pin INT
Corresponding pin
1
3
5
6
7
/RTP
/TB0
/TB1
/TB2
TRG1
2
/RTP
(Pin INT
IN
IN
IN
TRG0
/IDW
/IDV
/IDU
TRG1
as a pulse output trigger input pin, be sure to clear the port P5 direction
2
)
7905 Group User’s Manual Rev.1.0
16
2
)
0 : Input mode
1 : Output mode
When using this pin as a pulse output trigger
input pin, be sure to clear the corresponding bit to “0.”
0 : Input mode
1 : Output mode
pin, in order to set this port P5
2
pin.
Function
2
pin for the input mode.
b7 b6 b5 b4 b3 b2 b1 b0
Undefined
At reset
Undefined
0
0
0
0
0
0
R/W
RW
RW
RW
RW
RW
RW
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