UPD78F9500MA-CAC-A Datasheet, PDF (59/342 Pages) Renesas Technology Corp – 8-Bit Single-Chip Microcontrollers

WRPU
WRPMC
RD
CHAPTER 4 PORT FUNCTIONS
Figure 4-2. Block Diagram of P20 and P21 (μPD78F920x)
VDD
PU2
PU20, PU21
PMC2
PMC20, PMC21
P-ch
Alternate
function
WRPORT
WRPM
P2
Output latch
(P20, P21)
PM2
PM20, PM21
Alternate
function
A/D converter
P2: Port register 2
PU2: Pull-up resistor option register 2
PM2: Port mode register 2
PMC2: Port mode control register 2
RD: Read signal
WR××: Write signal
P20/ANI0/TI000/TOH1,
P21/ANI1/TI010/TO00/INTP0
User’s Manual U18172EJ3V0UD
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