UPD78F9500MA-CAC-A Datasheet, PDF (63/342 Pages) Renesas Technology Corp – 8-Bit Single-Chip Microcontrollers

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WRPU
CHAPTER 4 PORT FUNCTIONS
Figure 4-5. Block Diagram of P20 and P21 (μPD78F950x)
PU2
PU20, PU21
VDD
P-ch
RD
Alternate
function
WRPORT
WRPM
P2
Output latch
(P20, P21)
PM2
PM20, PM21
Alternate
function
P2: Port register 2
PU2: Pull-up resistor option register 2
PM2: Port mode register 2
RD: Read signal
WR××: Write signal
P20/TOH1,
P21/INTP0
User’s Manual U18172EJ3V0UD
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