UPD784938 Datasheet, PDF (124/733 Pages) NEC – 16-Bit Single-Chip Microcontrollers

CHAPTER 6 PORT FUNCTIONS
Figure 6-7. Pull-Up Resistor Specification (Port 0)
VDD
P07
P06
P05
Input
buffer
Internal
bus
P01
P00
(PUOL)
PUOL0
Port 0 mode register
(PM0)
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Preliminary User’s Manual U13987EJ1V0UM00