t3
SA25–SA0
REG_A
REG_B
MCEL_A
MCEL_B
MCEH_A
MCEH_B
t1
t2
t4
t5
WE
WAIT_AB
Not Valid for Attribute Memory Write Cycles
Write Cycle Data
SD15–SD8
SD7–SD0
DBUFOE
DBUFRDL
DBUFRDH
Figure 56. PC Card Attribute Memory Write Cycle (ÉlanSC400 Microcontroller Only)
Table 44. PC Card Attribute Memory Write Function (ÉlanSC400 Microcontroller Only)
Mode
REG_x MCEH_x MCEL_x
SA0
OE
WE
SD15–SD8
SD7–SD0
Byte Access
L
L
H
H
L
L
L
H
H
H
L
L
Indeterminate
Indeterminate
Even byte
Indeterminate
Word Access
L
L
L
L
L
Indeterminate
Indeterminate
H
H
L
L
Indeterminate
Indeterminate
Even byte
Odd-Byte-Only Access
H
Indeterminate
Élan™SC400 and ÉlanSC410 Microcontrollers Data Sheet
121
AMD [ AMD ]
