Freescale Semiconductor MC9S12G128 Evaluation Board TWR-S12G128-KIT TWR-S12G128-KIT Ficha De Dados
Códigos do produto
TWR-S12G128-KIT
Port Integration Module (S12GPIMV1)
MC9S12G Family Reference Manual, Rev.1.23
Freescale Semiconductor
245
2.4.3.60
Port AD Polarity Select Register (PPS1AD)
Table 2-85. PPS0AD Register Field Descriptions
Field
Description
7-0
PPS0AD
Port AD pull device select—Configure pull device and pin interrupt edge polarity on input pin
This bit selects a pullup or a pulldown device if enabled on the associated port input pin.
This bit also selects the polarity of the active pin interrupt edge.
This bit selects a pullup or a pulldown device if enabled on the associated port input pin.
This bit also selects the polarity of the active pin interrupt edge.
1 Pulldown device selected; rising edge selected
0 Pullup device selected; falling edge selected
0 Pullup device selected; falling edge selected
Address 0x027B
Access: User read/write
1
1
Read: Anytime
Write: Anytime
Write: Anytime
7
6
5
4
3
2
1
0
R
PPS1AD7
PPS1AD6
PPS1AD5
PPS1AD4
PPS1AD3
PPS1AD2
PPS1AD1
PPS1AD0
W
Reset
0
0
0
0
0
0
0
0
Figure 2-59. Port AD Polarity Select Register (PPS1AD)
Table 2-86. PPS1AD Register Field Descriptions
Field
Description
7-0
PPS1AD
Port AD pull device select—Configure pull device and pin interrupt edge polarity on input pin
This bit selects a pullup or a pulldown device if enabled on the associated port input pin.
This bit also selects the polarity of the active pin interrupt edge.
This bit selects a pullup or a pulldown device if enabled on the associated port input pin.
This bit also selects the polarity of the active pin interrupt edge.
1 Pulldown device selected; rising edge selected
0 Pullup device selected; falling edge selected
0 Pullup device selected; falling edge selected