CHAPTER 4 PORT FUNCTIONS
User's Manual U11919EJ3V0UM00
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Figure 4-11. Block Diagram of P52 and P53
Internal Bus
WR
PUO
RD
WR
PORT
WR
PM
PUO5
Ouput Latch
(P52, P53)
PM52, PM53
V
DD0
P-ch
P52, P53
Selector
PUO : Pull-up resistor option register
PM
: Port mode register
RD
: Port 5 read signal
WR : Port 5 write signal
Summary of Contents for mPD789026 Subseries
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