UPD784938 Datasheet, PDF (172/733 Pages) NEC – 16-Bit Single-Chip Microcontrollers

CHAPTER 6 PORT FUNCTIONS
WRPUOL
RDPUOL
Figure 6-53. P66 (Port 6) Block Diagram
Pull-up resistor option register L
PUOL6
WRPM6
RDPM6
Port 6 mode register
PM66
Hold enabled mode
External wait specification
Internal
bus
WRP6
RDP6
Output latch
P66
Wait input
Hold request
input
VDD
P66
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Preliminary User’s Manual U13987EJ1V0UM00