PC912XDP512F0MPVR datasheet(878/1348 Pages) FREESCALE

878 / 1348 page

Chapter 22 DP512 Port Integration Module (S12XDP512PIMV2)

MC9S12XDP512 Data Sheet, Rev. 2.21

880

Freescale Semiconductor

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.

76543210

PER0AD123 PER0AD122 PER0AD121 PER0AD120 PER0AD119 PER0AD118 PER0AD117 PER0AD116

Reset

00000000

Figure 22-74. Port AD1 Pull Up Enable Register 0 (PER0AD1)

Table 22-65. PER0AD1 Field Descriptions

Field

Description

7–0

PER0AD1[23:16]

Pull Device Enable Port AD1 Register 0

0 Pull-up device is disabled.

1 Pull-up device is enabled.

76543210

PER1AD115 PER1AD114 PER1AD113 PER1AD112 PER1AD111 PER1AD110

PER1AD19

PER1AD18

Reset

00000000

Figure 22-75. Port AD1 Pull Up Enable Register 1 (PER1AD1)

Table 22-66. PER1AD1 Field Descriptions

Field

Description

7–0

PER1AD1[15:8]

Pull Device Enable Port AD1 Register 1

0 Pull-up device is disabled.

1 Pull-up device is enabled.

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