NEC 78K0 Series User Manual page 110
8-bit single-chip microcontrollers
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- User manual (626 pages) ,
- User manual (129 pages) ,
- User manual (483 pages)
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WR
PU
RD
WR
PORT
WR
PM
P1:
Port register 1
PU1:
Pull-up resistor option register 1
PM1:
Port mode register 1
RD:
Read signal
WR××: Write signal
110
CHAPTER 5 PORT FUNCTIONS
Figure 5-10. Block Diagram of P12 and P15
PU1
PU12, PU15
P1
Output latch
(P12, P15)
PM1
PM12, PM15
Alternate
function
Preliminary User's Manual U17260EJ3V1UD
EV
DD
P-ch
P12/SO10
P15/TOH0
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