UPD78F9500MA-CAC-A Datasheet, PDF (64/342 Pages) Renesas Technology Corp – 8-Bit Single-Chip Microcontrollers

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WRPU
RD
CHAPTER 4 PORT FUNCTIONS
Figure 4-6. Block Diagram of P22 (μPD78F950x)
PU2
PU22
VDD
P-ch
WRPORT
P2
Output latch
(P22)
P22
WRPM
PM2
PM22
P2: Port register 2
PU2: Pull-up resistor option register 2
PM2: Port mode register 2
RD: Read signal
WR××: Write signal
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User’s Manual U18172EJ3V0UD