D12320VF25IV Datasheet, PDF (1278/1304 Pages) Renesas Technology Corp – Old Company Name in Catalogs and Other Documents

Appendix C I/O Port Block Diagrams
C.11 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
PE_n
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.11 Port E Block Diagram (Pins PE₀ to PE₇)
Rev.6.00 Sep. 27, 2007 Page 1246 of 1268
REJ09B0220-0600