Toshiba TMP91C815F Data Book page 75

(2) PB3 (INT0), PB4 (INT1)-PB6 (INT3)
Reset
Direction Control
(on bits basis)
PBCR write
Function control
(on bits basis)
PBFC write
S
Output latch
PB write
PB read
INT0
Reset
Direction Control
(on bits basis)
PBCR write
Out latch
PB write
Selector
Y
PB read
Raising/Falling
INT1
edge-detection
to
INT3
PAFC< PA4F, IIMC< I1EDGE,
PA5F,
PA6F>
S
B
Selector
A
Level / edge select
&
Raising/Falling select
IIMC<I0LE, I0EDGE>
Figure 3.5.24(2) Port B3
S
S
B
A
I2EDGE,
I3EDGE >
Figure 3.5.24(3) Port B4 to B6
91C815-72
TMP91C815
PB3 (INT0)
PB4∼PB6
(INT1∼INT3)