D12320VF25V Datasheet, PDF (1116/1146 Pages) Renesas Technology Corp – Old Company Name in Catalogs and Other Documents

Appendix C I/O Port Block Diagrams
C.9 Port E
Mode 7
Reset
R
Q
D
PEnPCR
C
WPCRE
RPCRE
Reset
External address write
Modes 4 to 6
R
Q
D
PEnDDR
C
WDDRE
Reset
R
Q
D
PEn
Modes 4 to 6
PEnDR
C
WDRE
Bus controller
8-bit bus
mode
RDRE
RPORE
Legend:
WDDRE: Write to PEDDR
WDRE: Write to PEDR
WPCRE: Write to PEPCR
RDRE: Read PEDR
RPORE: Read port E
RPCRE: Read PEPCR
Note: n = 0 to 7
External address lower read
Figure C.9 Port E Block Diagram (Pins PE0 to PE7)
Rev.7.00 Feb. 14, 2007 page 1082 of 1108
REJ09B0089-0700