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CHAPTER 6 PORT FUNCTIONS
Figure 6-21. Block Diagram of P102 and P103
PUO : Pull-up resistor option register
PM
: Port mode register
RD
: Port 6 read signal
WR : Port 6 write signal
P-ch
WR
PM
WR
PORT
RD
WR
PUO
V
DD
Selector
PUO10
Output Latch
(P102, P103)
PM102, PM103
Internal bus
P102, P103
