Selection Of Mask Option; Comparison Between Mask Option Of Mask Rom Version And Μ Pd78P0208 - NEC mPD780208 Subseries User Manual

4.5 Selection of Mask Option

The following mask option is provided in mask ROM versions. The µ PD78P0208 has no mask option.
Table 4-4. Comparison Between Mask Option of Mask ROM Version and µ PD78P0208
Pin Name
P30/TO0 to P32/TO2, P33/
TI1, P34/TI2, P35/PCL, P36/
BUZ, P37
P70 to P74
FIP0 to FIP12
P80/FIP13 to P87/FIP20,
P90/FIP21 to P97/FIP28,
P100/FIP29 to P107/FIP36,
P110/FIP37 to P117/FIP44,
P120/FIP45 to P127/FIP52
CHAPTER 4 PORT FUNCTIONS
Mask Option of Mask ROM Version
Can incorporate pull-down resistors in
1-bit units.
Can incorporate pull-up resistors in 1-bit
units.
Can incorporate pull-down resistors in
1-bit units.
Can incorporate pull-down resistors in
1-bit units.
The pull-down resistors can be specified to
be connected to V or V
LOAD SS
from P80.
User's Manual U11302EJ4V0UM
Does not incorporate pull-down resistors.
Does not incorporate pull-up resistors.
Incorporates pull-down resistors
(connected to V
Does not incorporate pull-down resistors.
in 4-bit units
µ PD78P0208
).
LOAD
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