TMP91C824
91C824-68
(2) PB3 (INT0), PB4 (INT1)-PB6 (INT3)
Inte
rna
l d
ata
bu
s
Selector
A
B
S
PB3 (INT0)
PB read
Direction Control
(on bits basis)
PBCR write
Function control
(on bits basis)
S
Output latch
PB write
Reset
PBFC write
Level / edge select
&
Raising/Falling select
INT0
IIMC<I0LE, I0EDGE>
Figure 3.5.16 Port B3
Inte
rna
l
data
bu
s
Direction Control
(on bits basis)
Reset
PBCR write
S
Out latch
PB write
PB4
∼
PB6
(INT1
∼
INT3)
Selector
PB read
Raising/Falling
edge-detection
PAFC< PA4F,
PA5F,
PA6F>
IIMC< I1EDGE,
I2EDGE,
I3EDGE >
S
B
A
Y
INT1
INT3
to
Figure 3.5.17 Port B4 to B6