UPD784026 Renesas Electronics Corporation., UPD784026 Datasheet - Page 155

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

Internal
Bus
WR
RD
WR
WR
RD
WR
RD
RD
PMC3n
PMC3n
PUO
PM3n
PUO
P3n
P3n
P3n
TO, SO1, TxD
Output
Figure 5-28 Block Diagram of P31 and P34 to P37 (Port 3)
Port 3 Mode Register
Output Latch
PMC3n
PM3n
P3n
Pull-Up Resistor Option Register
PUO3
CHAPTER 5 PORT FUNCTIONS
Selector
V
DD
P3n
n = 1, 4, 5, 6, 7
115