Renesas 7700 FAMILY User Manual page 487

APPENDIX
Appendix 5. Example for processing unused pins
When setting ports for input mode
In single-chip mode
When setting ports for output mode
In single-chip mode
Fig. 4. Example for processing unused pins
20–36
P0–P8
E
Left open
X
OUT
V
CC
AV
CC
AV
SS
V
REF
BYTE
V
P0–P8
Left open
E
Left open
X
OUT
V
CC
AV
CC
AV
SS
V
REF
BYTE
V
7751 Group User's Manual
P4 –P4
2
SS
In memory expansion mode
In microprocessor mode
P4 –P4
2
SS
In memory expansion mode
and microprocessor mode
, P5–P8
7
BHE
ALE
Left open
HLDA
1
Left open
X
OUT
V
CC
H O LD
R D Y
AV
CC
AV
SS
V
REF
Left open
, P5–P8
7
BHE
ALE
Left open
HLDA
1
Left open
X
OUT
V
CC
HOLD
RDY
AV
CC
AV
SS
V
REF
V
SS
V
SS