Rev. 1.0, 02/00, page 258 of 1141
12.2.4
Port Mode Register A (PMRA)
0
1
1
—
2
1
—
3
4
1
5
6
7
—
—
PMRA6
PMRA7
—
—
—
—
R/W
R/W
—
1
—
—
—
1
1
0
0
Bit :
Initial value :
R/W :
The port mode register A (PMRA) works to changeover the pin functions of the port 6 and to
designate the edge sense of the event inputs of timer B (TMBI).
The PMRA is an 8-bit read/write register. When reset, the PMRA will be initialized to H'3F.
See section 10.7, Port 6 for other information than bit 6.
Bit 6
Selecting the Edges of the Event Inputs to the Timer B (PMRA6): This bit works to
select the input edge sense of the TMBI pins.
Bit 6
PMRA6
Description
0
Detects the falling edge of the event inputs to the Timer B
(Initial value)
1
Detects the rising edge of the event inputs to the Timer B