upd70f3402 Renesas Electronics Corporation., upd70f3402 Datasheet - Page 161

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

Symbol
Symbol
PUCS
PDCS
R/W
R/W
(d) Pull-up resistor option register CS (PUCS)
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.
(e) Pull-down resistor option register CS (PDCS)
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
PUCSn
PDCSn
Figure 4-60: Pull-down Resistor Option Register CS (PDCS) Format
Figure 4-59: Pull-up Resistor Option Register CS (PUCS) Format
0
1
0
1
R/W
R/W
6
0
6
0
Not connected
Connected
Not connected
Connected
R/W
R/W
5
0
5
0
User’s Manual U16702EE3V2UD00
Connection of a pull-down resistor control (n = 0, 1)
Connection of a pull-up resistor control (n = 0, 1)
Chapter 4 Port Functions
R/W
R/W
4
0
4
0
R/W
R/W
3
0
3
0
R/W
R/W
2
0
2
0
PUCS1
PDCS1
R/W
R/W
1
1
PUCS0 FFFFFA48H
PDCS0 FFFFFA68H
R/W
R/W
0
0
Address
Address
After reset
After reset
00H
00H
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