Datasheet

78K0/Kx2-L CHAPTER 4 PORT FUNCTIONS
R01UH0028EJ0400 Rev.4.00 178
Sep 27, 2010
Figure 4-42. Format of Pull-up Resistor Option Register (78K0/KA2-L (25-pin and 32-pin products))
7
0
Symbol
PU0
6
0
5
0
4
0
3
0
2
PU02
1
PU01
Note 2
0
PU00
Note 1
Address
FF30H
After reset
00H
R/W
R/W
PU37
PU3
PU36 PU35 PU34 PU33 PU32 PU31 0
FF33H 00H R/W
0
PU6
0 0 0 0 0 PU61 PU60
FF36H 00H R/W
0
PU12
0 PU125 0 0 0 0 0
FF3CH 20H R/W
PUmn
Pmn pin on-chip pull-up resistor selection
(m = 0, 3, 6, 12; n = 0 to 7)
0 On-chip pull-up resistor not connected
1 On-chip pull-up resistor connected
Notes 1. 25-pin products only
2. 32-pin products only
Figure 4-43. Format of Pull-up Resistor Option Register (78K0/KB2-L)
7
0
Symbol
PU0
6
0
5
0
4
0
3
0
2
0
1
PU01
0
PU00
Address
FF30H
After reset
00H
R/W
R/W
0
PU3
0 0 0 PU33 PU32 PU31 PU30
FF33H 00H R/W
PU17
PU1
PU16 PU15 PU14 PU13 PU12 PU11 PU10
FF31H 00H R/W
0
PU6
0 0 0 0 0 PU61 PU60
FF36H 00H R/W
0
PU12
0 PU125 0 0 0 0 PU120
FF3CH 20H R/W
PUmn
Pmn pin on-chip pull-up resistor selection
(m = 0, 1, 3, 6, 12; n = 0 to 7)
0 On-chip pull-up resistor not connected
1 On-chip pull-up resistor connected