ST ST10F276E - Figure 48. Block Diagram of P6.5 Pin

Parallel ports UM0404
168/564 DocID13284 Rev 2
Figure 48. Block diagram of P6.5 pin
P6.5
Open Drain
Latch
Write ODP6.5
Read ODP6.5
Direction
Latch
Write DP6.5
Read DP6.5
Port Output
Latch
Write P6.5
Read P6.5
MUX
1
0
MUX
1
0
Open Drain
Latch
Write XODP6.5
Read XODP6.5
Direction
Latch
Write XDP6.5
Read XDP6.5
Port Output
Latch
Write XP6.5
Read XP6.5
&
SCLK1
Data Output
Output
Buffer
MUX
0
1
MUX
0
1
Input
Latch
Clock
XPERCON.8
(XSSCEN)
HOLD
/ SCLK1
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