W90220F Winbond Electronics Corp America, W90220F Datasheet - Page 41
W90220F
Manufacturer Part Number
W90220F
Description
Pa-risc Embedded Controller
Manufacturer
Winbond Electronics Corp America
Datasheet
1.W90220F.pdf
(79 pages)
- Current page: 41 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.
41
In MOD1:
Bit 21 Set DACK0 low active(DACK0L)
Bit 23 Set CS0 low active(CS0L)
Bit 24 Set CS1 low active(CS1L)
Bit 25 DACK1 active
Bit 26 Channel 0 time out(TO0)
Bit 27 Channel 0 time out(TO1)
Bit28-31
DMA IO Device Bass Address (DBA0 and DBA1)
Port address : 0xf0000220
Port address : 0xf0000224
Bit 22 Set DACK1 low active(DACK1L)
1 = set DMA acknowledge signal DACK0 to low active
0 = set DMA acknowledge signal DACK0 to high active
1 = set DMA acknowledge signal DACK1 to low active
0 = set DMA acknowledge signal DACK1 to high active
1 = Set IO device chip select CS0 to low active
0 = Set IO device chip select CS0 to high active
1 = Set IO device chip select CS1 to low active
0 = Set IO device chip select CS1 to high active
1 = indicate DMA channel 1 acknoewledge DACK1 is active
1 = indicate channel 0 IORDY signal timeout
1 = indicate channel 1 IORDY signal timeout
Reserved
This bit is read ONLY.
This bit is read ONLY.
Read/write
Read/write
Power-on Default : 0xfffff000
Power-on Default : 0xfffff000
W90220F
Version 0.84
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