mc9s12xd256 Freescale Semiconductor, Inc, mc9s12xd256 Datasheet - Page 880

• Manufacturer Part Number: mc9s12xd256
• Description: Hcs12x Microcontrollers
• Manufacturer: Freescale Semiconductor, Inc

Chapter 22 DP512 Port Integration Module (S12XDP512PIMV2)
22.3.2.72 Port AD1 Pull Up Enable Register 0 (PER0AD1)
Read: Anytime.
Write: Anytime.
This register activates a pull-up device on the respective PAD[23:16] pin if the port is used as input. This
bit has no effect if the port is used as output. Out of reset no pull-up device is enabled.
22.3.2.73 Port AD1 Pull Up Enable Register 1 (PER1AD1)
Read: Anytime.
Write: Anytime.
This register activates a pull-up device on the respective PAD[15:08] pin if the port is used as input. This
bit has no effect if the port is used as output. Out of reset no pull-up device is enabled.
880
PER0AD1[23:16]
PER1AD1[15:8]
Reset
Reset
Field
Field
W
W
R
7–0
R
7–0
PER0AD123 PER0AD122 PER0AD121 PER0AD120 PER0AD119 PER0AD118 PER0AD117 PER0AD116
PER1AD115 PER1AD114 PER1AD113 PER1AD112 PER1AD111 PER1AD110 PER1AD19
0
0
7
7
Pull Device Enable Port AD1 Register 0
0 Pull-up device is disabled.
1 Pull-up device is enabled.
Pull Device Enable Port AD1 Register 1
0 Pull-up device is disabled.
1 Pull-up device is enabled.
Figure 22-74. Port AD1 Pull Up Enable Register 0 (PER0AD1)
Figure 22-75. Port AD1 Pull Up Enable Register 1 (PER1AD1)
0
0
6
6
Table 22-65. PER0AD1 Field Descriptions
Table 22-66. PER1AD1 Field Descriptions
MC9S12XDP512 Data Sheet, Rev. 2.17
0
0
5
5
0
0
4
4
Description
Description
0
0
3
3
0
0
2
2
Freescale Semiconductor
0
0
1
1
PER1AD18
0
0
0
0