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PC912XDP512F0MPVR 데이터시트(PDF) 873 Page - Freescale Semiconductor, Inc

부품명 PC912XDP512F0MPVR
상세설명  HCS12X Microcontrollers
PDF  1348 Pages
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제조업체  FREESCALE [Freescale Semiconductor, Inc]
홈페이지  http://www.freescale.com
Logo FREESCALE - Freescale Semiconductor, Inc

PC912XDP512F0MPVR 데이터시트(HTML) 873 Page - Freescale Semiconductor, Inc

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Chapter 22 DP512 Port Integration Module (S12XDP512PIMV2)
MC9S12XDP512 Data Sheet, Rev. 2.21
Freescale Semiconductor
875
22.3.2.64 Port AD0 Reduced Drive Register 1 (RDR1AD0)
Read: Anytime.
Write: Anytime.
This register configures the drive strength of each output pin PAD[07:00] as either full or reduced. If the
port is used as input this bit is ignored.
22.3.2.65 Port AD0 Pull Up Enable Register 1 (PER1AD0)
Read: Anytime.
Write: Anytime.
This register activates a pull-up device on the respective pin PAD[07:00] if the port is used as input. This
bit has no effect if the port is used as output. Out of reset no pull device is enabled.
76543210
R
RDR1AD07
RDR1AD06
RDR1AD05
RDR1AD04
RDR1AD03
RDR1AD02
RDR1AD01
RDR1AD00
W
Reset
00000000
Figure 22-66. Port AD0 Reduced Drive Register 1 (RDR1AD0)
Table 22-59. RDR1AD0 Field Descriptions
Field
Description
7–0
RDR1AD0[7:0]
Reduced Drive Port AD0 Register 1
0 Full drive strength at output.
1 Associated pin drives at about 1/6 of the full drive strength.
76543210
R
PER1AD07
PER1AD06
PER1AD05
PER1AD04
PER1AD03
PER1AD02
PER1AD01
PER1AD00
W
Reset
00000000
Figure 22-67. Port AD0 Pull Up Enable Register 1 (PER1AD0)
Table 22-60. PER1AD0 Field Descriptions
Field
Description
7–0
PER1AD0[7:0]
Pull Device Enable Port AD0 Register 1
0 Pull-up device is disabled.
1 Pull-up device is enabled.



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