
CHAPTER 4 PORT FUNCTIONS
User’s Manual U15905EJ2V1UD
121
Figure 4-14. Block Diagram of P43 and P45
Internal
bus
WRPMC
RD
Address
INTP00/TI0/TCLR0,
INTP10/TI1/TCLR1 input
WRPORT
P43/INTP00/TI0/TCLR0,
P45/INTP10/TI1/TCLR1
PMC4n
Output latch
(P4n)
Selector
WRPU
PU4n
WRPM
PM4n
PMC4
P4
PU4
PM4
EVDD
P-ch
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
PU4:
Pull-up resistor option register 4
2. n = 3 or 5