MC912DG128A Motorola, MC912DG128A Datasheet - Page 128

• Manufacturer Part Number: MC912DG128A
• Description: Microcontrollers
• Manufacturer: Motorola

PORTH — Port H Register
PORTJ — Port J Register
DDRJ — Port J Data Direction Register
Key Wake-up and port Registers
I/O Ports With Key Wake-Up
MC68HC912DT128A Rev 2.0
128
RESET:
RESET:
RESET:
PORT
KWU
KWU
KWH7
KWJ7
DDJ7
Bit 7
Bit 7
PH7
PJ7
Bit 7
-
0
-
KWH6
KWJ6
DDJ6
PH6
PJ6
6
6
-
-
6
0
Read and write anytime.
Read and write anytime.
Data direction register J is associated with port J and designates each
pin as an input or output.
Read and write anytime
DDRJ[7:0] — Data Direction Port J
0 = Associated pin is an input
1 = Associated pin is an output
KWH5
KWJ5
DDJ5
PH5
PJ5
5
5
5
0
-
-
I/O Ports With Key Wake-Up
KWH4
KWJ4
DDJ4
PH4
PJ4
4
4
4
0
-
-
KWH3
KWJ3
DDJ3
PH3
PJ3
3
3
3
0
-
-
KWH2
KWJ2
DDJ2
PH2
PJ2
2
0
2
2
-
-
KWH1
KWJ1
DDJ1
PH1
PJ1
1
0
1
1
-
-
KWH0
KWJ0
DDJ0
Bit 0
Bit 0
Bit 0
PH0
PJ0
0
-
-
MOTOROLA
$0029
$002A
$0028
2--kwu