Freescale Semiconductor MC9S12G128 Evaluation Board TWR-S12G128-KIT TWR-S12G128-KIT Datenbogen
Produktcode
TWR-S12G128-KIT
Port Integration Module (S12GPIMV1)
MC9S12G Family Reference Manual,
Rev.1.23
244
Freescale Semiconductor
2.4.3.58
Port AD Pull Enable Register (PER1AD)
2.4.3.59
Port AD Polarity Select Register (PPS0AD)
Address 0x0279
Access: User read/write
1
1
Read: Anytime
Write: Anytime
Write: Anytime
7
6
5
4
3
2
1
0
R
PER1AD7
PER1AD6
PER1AD5
PER1AD4
PER1AD3
PER1AD2
PER1AD1
PER1AD0
W
Reset
0
0
0
0
0
0
0
0
Figure 2-57. Port AD Pullup Enable Register (PER1AD)
Table 2-84. PER1AD Register Field Descriptions
Field
Description
7-0
PER1AD
Port AD pull enable—Enable pull device on input pin
This bit controls whether a pull device on the associated port input pin is active. If a pin is used as output this bit has
no effect. The polarity is selected by the related polarity select register bit.
This bit controls whether a pull device on the associated port input pin is active. If a pin is used as output this bit has
no effect. The polarity is selected by the related polarity select register bit.
1 Pull device enabled
0 Pull device disabled
0 Pull device disabled
Address 0x027A (
)
Access: User read/write
1
1
Read: Anytime
Write: Anytime
Write: Anytime
7
6
5
4
3
2
1
0
R
PPS0AD7
PPS0AD6
PPS0AD5
PPS0AD4
PPS0AD3
PPS0AD2
PPS0AD1
PPS0AD0
W
Reset
0
0
0
0
0
0
0
0
Address 0x027A (
Access: User read/write
7
6
5
4
3
2
1
0
R
0
0
0
0
PPS0AD3
PPS0AD2
PPS0AD1
PPS0AD0
W
Reset
0
0
0
0
0
0
0
0
Figure 2-58. Port AD Polarity Select Register (PPS0AD)