Datasheet

Section 1 Overview
Rev.7.00 Mar. 18, 2009 page 24 of 1136
REJ09B0109-0700
Pin No.
Type Symbol
H8S/2378
0.18μm
F-ZTAT Group,
H8S/2378R
0.18μm
F-ZTAT Group
(LQFP-144)
H8S/2378
0.18μm
F-ZTAT Group,
H8S/2378R
0.18μm
F-ZTAT Group
(LGA-145)
H8S/2377
H8S/2377R
H8S/2375
H8S/2373
H8S/2375R
H8S/2373R
I/O Function
Bus
control
UCAS 85 H12 85 85 Output Upper column
address strobe
signal for accessing
the 16-bit DRAM
space.
Column address
strobe signal for
accessing the 8-bit
DRAM space.
LCAS 86 H10 86 86 Output Lower column
address strobe
signal for accessing
the 16-bit DRAM
space.
DQMU
*
1
85 H12 85 85 Output Upper data mask
enable signal for
16-bit synchronous
DRAM for
accessing the 16-bit
synchronous DRAM
space.
Data mask enable
signal for accessing
the 8-bit synchro-
nous DRAM space.
DQML
*
1
86 H10 86 86 Output Lower-data mask
enable signal for
accessing the 16-bit
synchronous DRAM
interface space.