HD64F2149 Datasheet, PDF (1026/1035 Pages) Renesas Technology Corp – Hitachi 16-Bit Single-Chip Microcomputer

Hardware
standby
PBn
Reset
R
Q
D
External
PBnDDR
C
address write
WPBD
EXPE
ABW
(D7 to D4)
Reset
RPBO
R
QD
PBnODR
C
WPB
RPB
External address
read _{(D7 to D4)}
WPBD : Write to PBDDR
WPB : Write to PBODR
RPBO : Read PBODR
RPB : Read port B
n = 4 to 7
Wakeup event
interrupt
WUEMRn
Figure C.42 Port B Block Diagram (Pins PB4 to PB7)
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