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4.2.7 Port 6
Port 6 is a 4-bit I/O port with an output latch. Port 6 can be set to the input mode or output mode in 1-bit units
using port mode register 6 (PM6).
The P60 to P63 pins are N-ch open-drain pins.
RESET input sets port 6 to input mode.
Figure 4-16 shows a block diagram of port 6.
RD
WR
PORT
WR
PM
PM6:
Port mode register 6
RD:
Read signal
WR××: Write signal
CHAPTER 4 PORT FUNCTIONS
Figure 4-16. Block Diagram of P60 to P63
Output latch
(P60 to P63)
PM6
PM60 to PM63
User's Manual U16899EJ2V0UD
Selector
P60 to P63
99
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