NEC 78K0/KB1+ Preliminary User's Manual page 72

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
72
CHAPTER 4 PORT FUNCTIONS
Figure 4-8. Block Diagram of P13
PU1
PU13
Output latch
(P13)
PM1
PM13
Alternate
function
Preliminary User's Manual U16846EJ1V0UD
V
DD
P-ch
P13/TxD6

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