Datasheet

Section 6 Bus Controller (BSC)
Rev. 2.00 Sep. 28, 2009 Page 132 of 870
REJ09B0429-0200
Bus cycle
Address bus
(A23 to A0)
φ
CS
IOS
(IOSE = 1)
CS256
(CS256E = 1)
Invalid
AS*
RD
WR
HBE
LBE
D15 to D8
Valid
D7 to D0
D15 to D8
D7 to D0
Odd
Undefined
* For external address space access, this signal is not output when the 256-Kbyte extended area
is accessed with CS256E = 1.
Note:
Read
Write
Valid
High level
Figure 6.14 Glueless Extension Odd Byte Access (ADMXE = 0)