UPD784938 Datasheet, PDF (146/733 Pages) NEC – 16-Bit Single-Chip Microcontrollers

CHAPTER 6 PORT FUNCTIONS
Figure 6-28. P32 (Port 3) Block Diagram
WRPUOL ^{Pull-up resistor option register L}
RDPUOL
PUOL3
Internal
bus
WRPM3 Port 3 mode register
RDPM3
PM32
SCK0 input
WRPMC3 Port 3 mode control register
RDPMC3
PMC32
N-ch open-drain
specification
(CSIM MOD bit)
RDP3
RDP3
SCK0 output
Output latch
P32
Selector
SCK0 input
VDD
VDD
P32
146
Preliminary User’s Manual U13987EJ1V0UM00