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CHAPTER 4 PORT FUNCTIONS
User’s Manual U15104EJ2V0UD
Figure 4-13. Block Diagram of P71 and P75
Figure 4-14. Block Diagram of P72 and P76
PM: Port mode register
RD: Port 7 read signal
WR: Port 7 write signal
RD
P71/SO30
P75/SO31
WR
PORT
WR
PM
Output latch
(P71, P75)
PM71, PM75
Selector
Alternate
function
Internal bus
PM: Port mode register
RD: Port 7 read signal
WR: Port 7 write signal
P72/SCK30
P76/SCK31
RD
WR
PORT
WR
PM
Alternate function
Output latch
(P72, P76)
PM72, PM76
Alternate function
Internal bus
Selector
Содержание mPD178053
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