CHAPTER 4 PORT FUNCTIONS
Preliminary User’s Manual U16315EJ1V0UD
88
Figure 4-9. Block Diagram of P15
P15/TOH0
WR
PU
RD
WR
PORT
WR
PM
PU15
Output latch
(P15)
PM15
Alternate
function
EV
DD
P-ch
Selector
Internal bus
PU1:
Pull-up resistor option register 1
PM:
Port mode register
RD:
Port 1 read signal
WR:
Port 1 write signal
Содержание 78K0/KD1 Series
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