NEC 78K0S/KA1+ User Manual page 56
8-bit single-chip microcontrollers
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Also See for 78K0S/KA1+:
- Preliminary user's manual (304 pages) ,
- Application note (49 pages) ,
- Application note (44 pages)
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WR
PU
RD
WR
PORT
WR
PM
P4:
Port register 4
PU4:
Pull-up resistor option register 4
PM4:
Port mode register 4
RD:
Read signal
WR××: Write signal
56
CHAPTER 4 PORT FUNCTIONS
Figure 4-8. Block Diagram of P42
PU4
PU42
P4
Output latch
(P42)
PM4
PM42
Alternate
function
User's Manual U16898EJ3V0UD
V
DD
P-ch
P42/TOH1
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