![background image](http://html1.mh-extra.com/html/nec/mpd780344-series/mpd780344-series_user-manual_4071564112.webp)
112
CHAPTER 4 PORT FUNCTIONS
User’s Manual U15798EJ2V0UD
4.5 Selection of Mask Option
The following mask option is provided in the mask ROM version. The flash memory versions have no mask options.
Note that the mask option differs between the
µ
PD780344 and 780354 Subseries, and the
µ
PD780344Y and 780354Y
Subseries.
Table 4-4. Comparison Between Mask ROM Version and Flash Memory Version
Pin Name
Mask ROM Version of
Mask ROM Version of
Flash Memory Version
µ
PD780344, 780354 Subseries
µ
PD780344Y, 780354Y Subseries
P30, P31 pins
On-chip pull-up resistors can be
Cannot specify an on-chip pull-
Cannot specify an on-chip pull-
specified in 1-bit units
up resistor
up resistor
P70 to P73 pins
On-chip pull-up resistors can be
On-chip pull-up resistors can be
Cannot specify an on-chip pull-
specified in 1-bit units
specified in 1-bit units
up resistor
Содержание mPD780344 Series
Страница 2: ...2 User s Manual U15798EJ2V0UD MEMO...