CHAPTER 5 PORT FUNCTIONS
User’s Manual U15109EJ3V0UD
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(3) Block diagram (port 6)
Figure 5-9. Block Diagram of P60 to P65
WR
PM
WR
PORT
RD
Selector
Output latch
(P6n)
PM6n
PM6
Internal bus
P6n/Ax
Remarks 1.
PM6: Port 6 mode register
RD:
Port 6 read signal
WR:
Port 6 write signal
2.
n = 0 to 5
x = 16 to 21