P22 And P27 Block Diagram - NEC PD78052 User Manual

Pd78054 series; pd78054y series 8-bit single-chip microcontrollers
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WR
PUO
RD
WR
PORT
WR
PM
PUO : Pull-up resistor option register
PM : Port mode register
RD
: Port 2 read signal
WR : Port 2 write signal
138
CHAPTER 6 PORT FUNCTIONS
Figure 6-6. P22 and P27 Block Diagram
PUO2
Output Latch
(P22, P27)
PM22, PM27
Alternate Function
Selector
V
DD
P-ch
P22/SCK1,
P27/SCK0

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