86
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PD78214 Sub-Series
Fig. 5-35 Block Diagram of P64 and P65 (Port 6)
Internal bus
P64
(P65)
VDD
RDIN
Selector
RDPUO
WRPUO
Pull-up resistor option register
PUO6
Port 6 mode register
P64
(P65)
WRPM64, PM65
Output latch
PM64
(PM65)
WRP64, P65
EA
External extended mode
RD signal (WR signal)
RDOUT
