Hardware standby
External bus
released
P6
n
WP6D :
Write to P6DDR
WP6
:
Write to port 6
RP6
:
Read port 6
SSOE :
Software standby output port enable
n = 3 to 6
Figure C.6 (d) Port 6 Block Diagram (Pins P6
904
SSOE
Software
standby Mode 6/7
Mode 6/7
Mode 6/7
Mode
1 to 5
Reset
R
Q
D
P6 DDR
n
C
WP6D
Reset
R
Q
D
P6 DR
n
C
WP6
RP6
to P6
)
3
6
Bus controller
AS output
RD output
HWR output
LWR output