Datasheet

I/O Ports with Key Wake-up
Technical Data MC68HC912DT128A — Rev 4.0
150 I/O Ports with Key Wake-up MOTOROLA
11.3 Key Wake-up and port Registers
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
PORTJ — Port J Register $0028
Bit 7654321Bit 0
PORT PJ7 PJ6 PJ5 PJ4 PJ3 PJ2 PJ1 PJ0
KWU KWJ7 KWJ6 KWJ5 KWJ4 KWJ3 KWJ2 KWJ1 KWJ0
RESET: --------
PORTH — Port H Register $0029
Bit 7654321Bit 0
PH7 PH6 PH5 PH4 PH3 PH2 PH1 PH0
KWU KWH7 KWH6 KWH5 KWH4 KWH3 KWH2 KWH1 KWH0
RESET: - - - - - - - -
DDRJ — Port J Data Direction Register $002A
Bit 7654321Bit 0
DDJ7 DDJ6 DDJ5 DDJ4 DDJ3 DDJ2 DDJ1 DDJ0
RESET: 0 0 0 0 0 0 0 0
Frees
cale Semiconductor,
I
Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
nc...