UPD784938 Datasheet, PDF (129/733 Pages) NEC – 16-Bit Single-Chip Microcontrollers

Internal
bus
CHAPTER 6 PORT FUNCTIONS
Figure 6-11. P14 (Port 1) Block Diagram
WRPUOL
RDPUOL
Pull-up resistor option register L
PUOL1
WRPM1
RDPM1
Port 1 mode register
PM14
WRPMC1
RDPMC1
Port 1 mode control register
PMC14
WRP1
RDP1
TxD2/SO2 output
Output latch
P14
Selector
VDD
P14
Preliminary User’s Manual U13987EJ1V0UM00
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