UPD784938 Datasheet, PDF (160/733 Pages) NEC – 16-Bit Single-Chip Microcontrollers

CHAPTER 6 PORT FUNCTIONS
Figure 6-42. Pull-Up Specification (Port 4)
VDD
P40
P41
P42
Input
buffer
Internal
bus
P46
P47
(PUOL)
PUOL4
Port 4 mode register
(PM4)
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Preliminary User’s Manual U13987EJ1V0UM00