Transcend CompactFlash 400X - PC Card I;O Mode UDMA Function

T
T
T
S
S
S
1
1
1
6
6
6
G
G
G
~
~
~
6
6
6
4
4
4
G
G
G
C
C
C
F
F
F
4
4
4
0
0
0
0
0
0
400X CompactFlash Card
Transcend Information Inc.
V1.0
46
Table: PC Card I/O Mode UDMA Function
-CE2
-CE1
-DMARQ
-INPACK
DMACK
-REG
STOP
-HIOW
-DMARDY
-HIOE
(R)-WAIT
(W)
STROBE
-WAIT
(R)-HIOE
(W)
DMA
CMD
A10-
A00
Operation
1 1 1 X X X X No
XX Standby
X X
0 0 X X 1 YES
XX
Device UDMA Transfer Request
(Assert DMARQ)
X X 0 0 1 X 1 YES
XX Host Acknowledge Preparation
1 1 0 0 1 1 1 YES
Static
Host Acknowledge Preparation
1 1 0 1 1 1 1 YES
Static
DMA Acknowledge (Stopped)
1 1 0 1 0 0 1 YES
Static
Burst Initiation / Active
1 1 0 1 0 X / or \ YES
Static
Burst Transfer
1 1 0 1 0 1 0 or 1 RD
Static
Data In Burst Host Pause
1 1 0 1 0 0 0 or 1 RD
Static
Data In Burst Device Pause
1 1 0 1 0 1 0 or 1 WR
Static
Data Out Burst Device Pause
1 1 0 1 0 0 0 or 1 WR
Static
Data Out Burst Host Pause
1 1 1 1 0 0 0 or 1 RD
Static
Device Initiating BurstTermination
1 1 1 1 1 1 0 or 1 RD
Static
Host Acknowledement of Device
Initiated Burst Termination
1 1 0 1 1 0 0 or 1 YES
Static
Host Initiating BurstTermination
1 1 1 1 1 1 0 or 1 YES
Static
Device Acknowledging Host Initiated
Burst Termination
1 1 1 1 1 1 / YES
Static
Device Aligning STROBE to Asserted
before CRC Transfer
1 1 1 \ 1 1 1 YES
Static
CRC Data Transfer for UDMA Burst
1 1 1 0 1 1 1 YES
Static
Burst Completed