MC68HC12 MOTOROLA [Motorola, Inc], MC68HC12 Datasheet - Page 150

• Manufacturer Part Number: MC68HC12
• Description: The MC68HC912DT128A microcontroller unit (MCU) is a 16-bit device composed of standard on-chip peripherals including a 16-bit central processing unit
• Manufacturer: MOTOROLA [Motorola, Inc]

PORTJ — Port J Register
PORTH — Port H Register
DDRJ — Port J Data Direction Register
I/O Ports with Key Wake-up
11.3 Key Wake-up and port Registers
Technical Data
150
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
0
3
3
-
-
KWH2
KWJ2
DDJ2
PH2
PJ2
2
0
2
2
-
-
MC68HC912DT128A — Rev 4.0
KWH1
KWJ1
DDJ1
PH1
PJ1
1
0
1
1
-
-
KWH0
KWJ0
DDJ0
Bit 0
Bit 0
Bit 0
PH0
PJ0
0
-
-
MOTOROLA
$0029
$0028
$002A