W90220F Winbond Electronics Corp America, W90220F Datasheet - Page 41

• Manufacturer Part Number: W90220F
• Description: Pa-risc Embedded Controller
• Manufacturer: Winbond Electronics Corp America

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