UPD784026 Renesas Electronics Corporation., UPD784026 Datasheet - Page 154

• Manufacturer Part Number: UPD784026
• Description: 16/8-bit Single-chip Microcontrollers
• Manufacturer: Renesas Electronics Corporation.

5.5.1 Hardware Configuration
114
The port 3 hardware configuration is shown in Figures 5-27 to 5-30.
Internal
Bus
SI1, RxD Input
WR
RD
WR
WR
RD
WR
RD
RD
PMC30
PMC30
PM30
PUO
PUO
P30
P30
P30
Port 3 Mode Register
Figure 5-27 Block Diagram of P30 (Port 3)
Output Latch
PMC30
PM30
P30
CHAPTER 5 PORT FUNCTIONS
Pull-Up Resistor Option Register
PUO3
V
DD
P30