LFEBS12UB Freescale Semiconductor, LFEBS12UB Datasheet - Page 160
LFEBS12UB
Manufacturer Part Number
LFEBS12UB
Description
KIT STUDENT LEARNING S12 DG128
Manufacturer
Freescale Semiconductor
Specifications of LFEBS12UB
Architecture
8/16-bit
Code Gen Tools Included
Code Warrior
Silicon Manufacturer
Freescale
Core Architecture
S12
Core Sub-architecture
S12
Silicon Core Number
MC9S12
Silicon Family Name
S12D
Kit Contents
HCS12 DG128 Learning Kit
Rohs Compliant
Yes
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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1. Read: Anytime.
1. Read: Anytime.
Chapter 2 Port Integration Module (S12XEPIMV1)
2.3.71
2.3.72
160
DDR0AD0
Address 0x0272
Address 0x0273
Write: Anytime.
Write: Anytime.
Field
Reset
Reset
7-0
W
W
R
R
DDR0AD07
DDR1AD07
Port AD0 data direction—
This register controls the data direction of pins 15 through 8.
1 Associated pin is configured as output.
0 Associated pin is configured as input.
Port AD0 Data Direction Register 0 (DDR0AD0)
Port AD0 Data Direction Register 1 (DDR1AD0)
0
0
7
7
Due to internal synchronization circuits, it can take up to 2 bus clock cycles
until the correct value is read on PT0AD0 registers, when changing the
DDR0AD0 register.
To use the digital input function on Port AD0 the ATD Digital Input Enable
Register (ATD0DIEN1) has to be set to logic level “1”.
DDR0AD06
DDR1AD06
Figure 2-69. Port AD0 Data Direction Register 0 (DDR0AD0)
Figure 2-70. Port AD0 Data Direction Register 1 (DDR1AD0)
0
0
6
6
Table 2-67. DDR0AD0 Register Field Descriptions
MC9S12XE-Family Reference Manual , Rev. 1.23
DDR0AD05
DDR1AD05
0
0
5
5
DDR0AD04
DDR1AD04
NOTE
NOTE
0
0
4
4
Description
DDR0AD03
DDR1AD03
3
0
3
0
DDR0AD02
DDR1AD02
0
0
2
2
DDR0AD01
DDR1AD01
Access: User read/write
Access: User read/write
Freescale Semiconductor
0
0
1
1
DDR0AD00
DDR1AD00
0
0
0
0
(1)
(1)
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