MC68HC812A4 Datasheet, PDF (145/342 Pages) Motorola, Inc – 16-bit device composed of standard on-chip peripheral modules connected by an intermodule bus. Modules include

Key Wakeups
Key Wakeup Registers
9.3.2 Port D Data Direction Register
Address: $0007
Bit 7
6
5
4
3
2
1
Bit 0
Read:
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Write:
Reset: 0
0
0
0
0
0
0
0
Figure 9-2. Port D Data Direction Register (DDRD)
Read: Anytime
Write: Anytime
This register is not in the map in wide expanded modes or in special
expanded narrow mode with MODE register bit EMD set.
Data direction register D is associated with port D and designates each
pin as an input or output.
DDRD7–DDRD0 — Data Direction Port D Bits
1 = Associated pin is an output.
0 = Associated pin is an input.
9.3.3 Port D Key Wakeup Interrupt Enable Register
Address: $0020
Bit 7
6
5
4
3
2
1
Bit 0
Read:
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Write:
Reset: 0
0
0
0
0
0
0
0
Figure 9-3. Port D Key Wakeup Interrupt Enable Register (KWIED)
Read: Anytime
Write: Anytime
This register is not in the map in wide expanded modes and in special
expanded narrow mode with MODE register bit EMD set.
KWIED7–KWIED0 — Key Wakeup Port D Interrupt Enable Bits
1 = Interrupt for the associated bit is enabled.
0 = Interrupt for the associated bit is disabled.
Advance Information
MOTOROLA
Key Wakeups
MC68HC812A4 — Rev. 3.0
145