CHAPTER 4 PORT FUNCTIONS
(f) Pull-up resistor option register 3 (PU3)
This is an 8-bit register that specifies the connection of an on-chip pull-up resistor.
This register can be read/written in 8-bit or 1-bit units.
(i) V850ES/KF1, V850ES/KG1, V850ES/KJ1
After Reset: 00H
R/W
Address: FFFFFC46H
PU3
0
0
PU35
PU34
PU33
PU32
PU31
PU30
PU3n
Control of on-chip pull-up resistor connection (n = 0 to 5)
0
1
Not connected
Connected
Caution An on-chip pull-up resistor can be provided for P3n by a mask option.
n = 8, 9: For the mask ROM version of the V850ES/KF1
n = 6 to 9: For the mask ROM versions of the V850ES/KG1 and V850ES/KJ1
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