HD64F2149 Datasheet, PDF (1018/1035 Pages) Renesas Technology Corp – Hitachi 16-Bit Single-Chip Microcomputer

Hardware standby
P9n
Mode 2, 3
EXPE
HI12E
EXPE
Reset
R
QD
P9nDDR
C
WP9D
Reset
R
QD
P9nDR
C
WP9
Bus controller
RD output
HWR output
AS/IOS output
WP9D : Write to P9DDR
WP9 : Write to port 9
RP9 : Read port 9
n = 3 to 5
RP9
Mode 2, 3
EXPE
HI12E
HIF : XBS
IOR input
IOW input
CS1 input
Figure C.34 Port 9 Block Diagram (Pins P93 to P95)
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