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CHAPTER 5 PORT FUNCTIONS
User’s Manual U12697EJ3V0UM
Figure 5-17. Block Diagram of P72
P-ch
WR
PM
WR
PORT
RD
WR
PU
V
DD
Selector
Alternate
function
PU72
Output latch
(P72)
PM72
Internal bus
P72/SCK2/
ASCK2
PU: Pull-up resistor option register
PM: Port mode register
RD: Port 7 read signal
WR: Port 7 write signal