MC912DG128A Motorola, MC912DG128A Datasheet - Page 310

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

msCAN12 Port CAN Data Register (PORTCAN)
msCAN12 Port CAN Data Direction Register (DDRCAN)
MSCAN Controller
MC68HC912DT128A Rev 2.0
310
PORTCAN
DDRCAN
$013F
$013E
RESET
RESET
W
R
W
R
DDCAN7
PCAN7
Bit 7
Bit 7
0
-
DDCAN7 – DDCAN2 — This bits served as memory locations since
there are no corresponding external port pins.
DDCAN6
PCAN6
Port bits 7 to 2 will read zero when configured as inputs because they
are not implemented externally.
When configured as output, port bits 7 to 2 will read the last value
written.
Reading bits 1 and 0 returns the value of the TxCan and RxCan pins,
respectively.
6
0
6
DDCAN5
PCAN5
5
0
5
-
MSCAN Controller
DDCAN4
PCAN4
4
0
4
DDCAN3
PCAN3
3
0
3
-
DDCAN2
PCAN2
2
0
2
TxCAN
1
0
0
1
-
MOTOROLA
42-mscan12
RxCAN
Bit 0
Bit 0
0
0
-