UPD784026 Renesas Electronics Corporation., UPD784026 Datasheet - Page 138

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

98
Internal
Bus
Internal
Bus
WR
RD
WR
WR
RD
WR
RD
RD
TxD2/SO2 Output
PMC14
PMC14
PM14
PUO
PUO
P14
P14
P14
WR
WR
RD
WR
RD
RD
PUO
PUO
PM1
P1
P1
P1
Figure 5-13 Block Diagram of P15 to P17 (Port 1)
Port 1 Mode Register
Port 1 Mode Register
Figure 5-12 Block Diagram of P14 (Port 1)
Output Latch
Pull-Up Resistor Option Register
Output Latch
PMC14
PM14
P14
PUO1
PM1n
CHAPTER 5 PORT FUNCTIONS
Pull-Up Resistor Option Register
P1n
PUO1
Selector
V
DD
P1n
n = 5-7
V
DD
P14