ST ST10F276E - Figure 55. Block Diagram of P8.6 Pin

Parallel ports UM0404
178/564 DocID13284 Rev 2
Figure 55. Block diagram of P8.6 pin
P8.6
Open Drain
Latch
Write ODP8.6
Read ODP8.6
Direction
Latch
Write DP8.6
Read DP8.6
Port Output
Latch
Write P8.6
Read P8.6
MUX
1
0
MUX
1
0
Open Drain
Latch
Write XODP8.6
Read XODP8.6
Direction
Latch
Write XDP8.6
Read XDP8.6
Port Output
Latch
Write XP8.6
Read XP8.6
Output
Buffer
Input
Latch
Clock
XPERCON.7
(XASCEN)
CC22IO
Data Input
I
n
t
e
r
n
a
l
B
u
s
I
n
t
e
r
n
a
l
X
b
u
s
&
MUX
0
1
MUX
0
1
MUX
1
0
≥ 1
CC22IO
Data Output
Compare Trigger
CC22IO
Latch Data Input
RxD1
Data Input
RxD1
Data Output