NEC 78K0 Series User Manual page 103

8-bit single-chip microcontrollers
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WR
PU
PU0
PU01
Alternate function
RD
WR
PORT
P0
Output latch
(P01)
WR
PM
PM0
PM01
Alternate function
P0:
Port register 0
PU0:
Pull-up resistor option register 0
PM0:
Port mode register 0
RD:
Read signal
WR××: Write signal
CHAPTER 5 PORT FUNCTIONS
Figure 5-3. Block Diagram of P01
Preliminary User's Manual U17260EJ3V1UD
EV
DD
P-ch
P01/TI010/TO00
103

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