NEC 78K0 User Manual page 87
8-bit single-chip microcontrollers
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WR
PU
PU3
PU33
Alternate
function
RD
WR
PORT
Output latch
(P33)
WR
PM
PM3
PM33
Alternate
function
PU3:
Pull-up resistor option register 3
PM3:
Port mode register 3
RD:
Read signal
WR××: Write signal
CHAPTER 4 PORT FUNCTIONS
Figure 4-11. Block Diagram of P33
User's Manual U16227EJ2V0UD
EV
DD
P-ch
P33/INTP4/TI51/TO51
87
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