640
Internal data bus
P6
n
DDR
Reset
R
Q
D
C
Reset
R
Q
D
P6
n
DR
WP6D
WP6
C
RP6
Modes 6 and 7
Modes 6 and 7
P6
n
Software standby
Hardware standby
WP6D:
WP6:
RP6:
n = 3 to 5
Write to P6DDR
Write to port 6
Read port 6
AS output
RD output
WR output
Modes
1, 3,
and 5
Figure C-5 (b) Port 6 Block Diagram (Pins P6
3
to P6
5
)