HD64F2149 Datasheet, PDF (1013/1035 Pages) Renesas Technology Corp – Hitachi 16-Bit Single-Chip Microcomputer

Hardware standby
P84
Reset
R
Q
D
P84DDR
C
WP8D
Reset
R
QD
P84DR
C
WP8
SCI1
TxD1
Transmit enable
RP8
WP8D : Write to P8DDR
WP8 : Write to port 8
RP8 : Read port 8
IRQ3 input
IRQ3 enable
Figure C.29 Port 8 Block Diagram (Pin P84)
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