W90220F Winbond Electronics Corp America, W90220F Datasheet - Page 39
W90220F
Manufacturer Part Number
W90220F
Description
Pa-risc Embedded Controller
Manufacturer
Winbond Electronics Corp America
Datasheet
1.W90220F.pdf
(79 pages)
- Current page: 39 of 79
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The above information is the exclusive intellectual property of Winbond Electroncs Corp. and shall not be dsiclosed or distributed or reproduced without permission from
Winbond.
39
Bit 0
Bit 1
Bit 2
Bit 3
Bit 4
Bit 5
Bit 6
IOtype1
CS1L
16
24
8
Terninal count interrupt enable(TCIen)
Memory to memory transfer(M2M)
Demand mode or block mode select(DEM)
DMA enable(DMAen)
Reserved
Enable ECP as DMA device(ECPen)
Terminal count flag(TC)
1 = DMA transfer enable.
0 = DMA transfer disable
Set to 0
1 = ECP is set as DMA device
1 = indicate the length counter reaches 0, and theTC asserted
0 = DMA memory to memory transfer is disable
1 = DMA transfer between memory and IO is demand mode
0 = DMA transfer between memory and IO is block mode
DACK1A
1 = enable terminal count interrupt
1 = DMA is set to memory to memory transfer
17
25
9
Once this bit is set, and TC is asserted, the DMAC will generate external interrupt to host.
TRtype
Wstate
Wsate
TO0
10
18
26
TO1
11
19
27
Tout1-8
12
20
28
DACK0L DACK1L
IOrec
FIX
13
21
29
Reserved
Reserved
14
22
30
Tout0
CS0L
15
23
31
(MOD0)
(MOD0)
(MOD1)
(MOD1)
W90220F
Version 0.84
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