TMP91C824
91C824-59
Internal
WAIT
S
Output
Latch
P5 Write
P5 Read
In
te
rn
a
l D
a
ta
B
u
s
Direction control
(on bit basis)
P5CR Write
P-ch
(Programmable
Pull-up)
Reset
P56 (WAIT)
Function contorol
(on bit basis)
S
Output
Latch
P5FC Write
P5 Write
P54
(BUSRQ)
P5 Read
In
te
rn
a
l D
a
ta
B
u
s
Direction control
(on bit basis)
P5CR Write
P-ch
(Programmable
Pull-up)
Reset
Internal
BUSRQ
Output buffer
Figure 3.5.5 Port 5 (P56,P54)