upd70f3402 Renesas Electronics Corporation., upd70f3402 Datasheet - Page 115

• Manufacturer Part Number: upd70f3402
• Description: 32-/16-bit Single-chip Microcontroller With Can Interface
• Manufacturer: Renesas Electronics Corporation.

Symbol
Symbol
PU0
R/W
PD0
R/W
(e) Pull-up resistor option register 0 (PU0)
This is an 8-bit register used to set whether to use an on-chip pull-up resistor.
This register can be read and written in 8-bit or 1-bit units.
(f) Pull-down resistor option register 0 (PD0)
This is an 8-bit register used to set whether to use an on-chip pull-down resistor.
This register can be read and written in 8-bit or 1-bit units.
R/W
R/W
7
0
7
0
PD00
PU0n
0
1
0
1
Figure 4-8: Pull-down Resistor Option Register 0 (PD0) Format
Figure 4-7: Pull-up Resistor Option Register 0 (PU0) Format
PU06
PD06
R/W
R/W
6
6
Not connected
Connected
Not connected
Connected
PU05
PD05
R/W
R/W
5
5
User’s Manual U16702EE3V2UD00
Connection of a pull-up resistor control (n = 0 to 6)
Chapter 4 Port Functions
PU04
PD04
Connection of a pull-down resistor control
R/W
R/W
4
4
PU03
PD03
R/W
R/W
3
3
PU02
PD02
R/W
R/W
2
2
PU01
PD01
R/W
R/W
1
1
PU00
PD00
R/W
R/W
0
0
FFFFFCA0H
FFFFFC40H
Address
Address
After reset
After reset
00H
00H
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