
CHAPTER 4 PORT FUNCTIONS
User’s Manual U15905EJ2V1UD
122
Figure 4-15. Block Diagram of P44 and P46
Internal
bus
WRPMC
RD
Address
TO0, TO1 output
WRPORT
P44/INTP01/TO0,
P46/INTP11/TO1
PMC4n
Selector
WRPU
PU4n
WRPM
PM4n
Output latch
(P4n)
WRPFC
PFC4n
PMC4
PU4
PM4
P4
PFC4
EVDD
P-ch
INTP01, INTP11 input
Noise
elimination
Caution
These pins do not have hysteresis characteristics in the port mode.
They have hysteresis characteristics only when an input-pin alternate function is used.
Remarks 1. P4:
Port register 4
PM4:
Port mode register 4
PMC4: Port mode control register 4
PFC4: Port function control register 4
PU4:
Pull-up resistor option register 4
2. n = 4 or 6