Datasheet

Chapter 2 Port Integration Module (S12XEPIMV1)
MC9S12XE-Family Reference Manual Rev. 1.25
Freescale Semiconductor 163
2.3.83 Port AD1 Pull Up Enable Register 0 (PER0AD1)
2.3.84 Port AD1 Pull Up Enable Register 1 (PER1AD1)
Address 0x027E Access: User read/write
(1)
1. Read: Anytime.
Write: Anytime.
76543210
R
PER0AD17 PER0AD16 PER0AD15 PER0AD14 PER0AD13 PER0AD12 PER0AD11 PER0AD10
W
Reset 00000000
Figure 2-81. Port AD1 Pull Device Up Register 0 (PER0AD1)
Table 2-79. PER0AD1 Register Field Descriptions
Field Description
7-0
PER0AD1
Port AD1 pull device enable—Enable pull devices on input pins
These bits configure whether a pull device is activated, if the associated pin is used as an input. This bit has no effect
if the pin is used as an output. Out of reset no pull device is enabled.
1 Pull device enabled.
0 Pull device disabled.
Address 0x027F Access: User read/write
(1)
1. Read: Anytime.
Write: Anytime.
76543210
R
PER1AD17 PER1AD16 PER1AD15 PER1AD14 PER1AD13 PER1AD12 PER1AD11 PER1AD10
W
Reset 00000000
Figure 2-82. Port AD1 Pull Up Enable Register 1 (PER1AD1)
Table 2-80. PER1AD1 Register Field Descriptions
Field Description
7-0
PER1AD1
Port AD1 pull device enable—Enable pull devices on input pins
These bits configure whether a pull device is activated, if the associated pin is used as an input. This bit has no effect
if the pin is used as an output. Out of reset no pull device is enabled.
1 Pull device enabled.
0 Pull device disabled.