Transcend Information CompactFlash CF 300X - Manual (Page 43)

T T T S S S 2 2 2 G G G ~ ~ ~ 1 1 1 6 6 6 G G G C C C F F F 3 3 3 0 0 0 0 0 0
300X CompactFlash Card
Transcend Information Inc.
V1.1
43
Table: PC Card I/O Mode UDMA Function
-CE2 -CE1
-DMARQ
-INPACK DMACK
-REG
STOP
-IOWR
-DMARDY
-IORD
(R)-WAIT
(W)
STROBE
-WAIT
(R)-IORD
(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