CHAPTER 9 I/O PORT
Block Diagram of Port C
Peripheral function input
Peripheral function input enable
PDR read
PDR write
In bit operation instruction
DDR read
DDR write
ILSR3 read
ILSR3 write
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Figure 9.10-1 Block Diagram of Port C
0
1
PDR
DDR
Stop, Watch (SPL=1)
ILSR3
LCD output
LCD enable
Hysteresis
Automotive
Pin