CHAPTER 14 PORT FUNCTION
User’s Manual U13850EJ4V0UM
392
Figure 14-24. Block Diagram of P33 and P34
P-ch
WR
PM
WR
PF
WR
PORT
RD
WR
PU
V
DD
V
DD
Selector
PF3n
PF3
PM3n
PM3
PU3n
PU3
P-ch
N-ch
Internal bus
Output latch
(P3n)
Alternate function
P33/TI11/SO4
P34/TO0/A13/SCK4
Remarks 1.
PU3: Pull-up resistor option register 3
RF3: Port 3 function register
PM3: Port 3 mode register
RD:
Port 3 read signal
WR:
Port 3 write signal
2.
n = 3, 4
Содержание MPD703030A
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