t14
REG_A, REG_B,
(DACK)
MCEL_A, MCEL_B,
MCEH_A, MCEH_B
WE, IOW
t12
t13b
IOR
t15
t16
OE (TC)
t17b
t18b
SD15–SD0
DBUFOE
DMA Data from Card
DBUFRDL
DBUFRDH
Figure 62. PC Card DMA Write Cycle (I/O Read to Memory Write)
Table 50. PC Card DMA Write Function (ÉlanSC400 Microcontroller Only)
Mode
DACK DREQ
MCEH_x
MCEL_x
OE
TC
TC
WE
H
IOR
L
IOW SD15–SD8
SD7–SD0
Indeterminate Even byte
Odd byte Even byte
Byte Access
Word Access
H
H
L
L
H
L
L
L
H
H
H
L
Élan™SC400 and ÉlanSC410 Microcontrollers Data Sheet
127