Datasheet

Rev.6.00 Oct.28.2004 page 995 of 1016
REJ09B0138-0600H
C.11 Port E Block Diagram
R
PEnPCR
C
QD
Reset
WPCRE
Reset
WDRE
R
C
QD
PE
n
RDRE
RPORE
PEnDR
WDDRE
C
QD
PEnDDR
RPCRE
Reset
R
Internal upper data bus
Internal lower data bus
Mode 7
Mode 4/5/6
External address lower read
WDDRE:
WDRE:
WPCRE:
RDRE:
RPORE:
RPCRE:
n = 0 to 7
Write to PEDDR
Write to PEDR
Write to PEPCR
Read PEDR
Read port E
Read PEPCR
Legend:
Mode 7
8-bit bus
mode
Mode 4/5/6
Mode 4/5/6
16-bit bus mode
External address
write
Figure C-11 Port E Block Diagram (Pin PE
0
to PE
7
)