Block Diagram Of P22 And P27 - NEC PD78076 User Manual

WR
PUO
RD
WR
PORT
Output Latch
(P22, P27)
WR
PM
PM22, PM27
Dual Function
PUO : Pull-up resistor option register
PM : Port mode register
RD : Port 2 read signal
WR : Port 2 write signal
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CHAPTER 6 PORT FUNCTIONS
Figure 6-8. Block Diagram of P22 and P27
PUO2
Selector
V
DD
P-ch
P22/SCK1,
P27/SCK0/SCL