NEC 78K0 User Manual page 82

8-bit single-chip microcontrollers
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WR
PU
RD
WR
PORT
WR
PM
PU1:
Pull-up resistor option register 1
PM1:
Port mode register 1
RD:
Read signal
WR××: Write signal
82
CHAPTER 4 PORT FUNCTIONS
Figure 4-6. Block Diagram of P12 and P15
PU1
PU12, PU15
Output latch
(P12, P15)
PM1
PM12, PM15
Alternate
function
User's Manual U16227EJ2V0UD
EV
DD
P-ch
P12/SO10,
P15/TOH0

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