CHAPTER 9 I/O PORT
Block Diagram of Port 4
Peripheral function output enable
PDR read
PDR write
In bit operation instruction
DDR read
DDR write
ILSR2 read
ILSR2 write
116
Figure 9.4-1 Block Diagram of Port 4
Peripheral function output
0
1
PDR
DDR
Stop, Watch (SPL=1)
ILSR2
Hysteresis
Automotive
1
0
Pin