User guide

203 Series Industrial Grade 2.5" FlashDrive Product Manual v2.0Cactus Technologies
®
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Figure 3-4. DMA Transfer To/From Device
DMA Timing Parameters Mode 2 ns
Trwc Cycle time (min) 100
tsuA Address valid to IORD-/IOWR- setup (min) 65
Trwpw DIOR-/DIOW- pulse width high (min) 65
Tdmrw DMACK to DIOR/DIOW setup (min) 0
trda DIORD access time (max) 50
Trwsu DIOR/DIOW- data setup (min) 15
Twh DIOW- data hold (min) 5
Trwd DIOW/DIOR to DMARQ delay (max) 35
Trwdh DIOR/DIOW to DMACK hold time (min) 5
Trh DIOR- data hold (min) 5
Trwn DIOR/DIOW pulse width low (min) 25
Tcsrw CS[1:0] valid to DIOR/DIOW (min) 10
tcsh CS[1:0] hold time (min) 10
3.3.4.3. DMA Transfer Timing