HD64F3048F16 Datasheet, PDF (881/903 Pages) Renesas Technology Corp – Old Company Name in Catalogs and Other Documents

Appendix C I/O Port Block Diagrams
Reset
R
Q
D
P9 _n DDR
C
WP9D
Reset
R
SCI
Clock input
enable
P9 _n
Q
D
P9_n DR
C
WP9
Clock output
enable
Clock output
RP9
Legend:
WP9D: Write to P9DDR
WP9: Write to port 9
RP9: Read port 9
Note: n = 4 and 5
Figure C.9 (d) Port 9 Block Diagram (Pins P9₄ and P9₅)
Clock input
Interrupt
controller
IRQ ₄ or IRQ ₅
input
Rev. 3.00 Sep 27, 2006 page 853 of 872
REJ09B0325-0300