W90220F Winbond Electronics Corp America, W90220F Datasheet - Page 55
W90220F
Manufacturer Part Number
W90220F
Description
Pa-risc Embedded Controller
Manufacturer
Winbond Electronics Corp America
Datasheet
1.W90220F.pdf
(79 pages)
- Current page: 55 of 79
- Download datasheet (502Kb)
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.
55
The device build-in a 16-byte data fifo to accelerate the transfer rate when using "Fast Standard
Mode" or "ECP mode".
The Dfifo may be 1-byte or 4-byte accessed by CPU using "PWord" basis.
Command Register (CMD)
Port address : 0xf0000374
Bits 0-7 Pended Command Code
Whenever a command code is written by CPU, a "command trasfer" will be induced immediately
during "ECP forward transfering".
If CMD contains a command code not been transfered yet, a "command pended" status (CMDtrue)
is echoed in DSR[7]. "Reset device" or "CPU read CMD" or the pended command code is finished
transfering, the CMDtrue will also be cleared.
Time Out Register (TOR)
Port address : 0xf0000375
Bits 0
TOUTen
16
24
0
0
Time Out Counter enable
17
25
1
1
18
26
2
2
Pended Command Code
Read/write
Read/write
Dfifo LSB byte
19
27
3
3
TOUTcmp
20
28
4
4
Power-on Default : ---
Power-on Default : ---
21
29
5
5
22
30
6
6
23
31
7
7
W90220F
Version 0.84
Related parts for W90220F
Image
Part Number
Description
Manufacturer
Datasheet
Request
R
Part Number:
Description:
Winbond H/w Monitoring Ic
Manufacturer:
Winbond Electronics Corp America
Datasheet:
Part Number:
Description:
Winbond Lpc I/o
Manufacturer:
Winbond Electronics Corp America
Datasheet:
Part Number:
Description:
Winbond Smbus Gpi/o
Manufacturer:
Winbond Electronics Corp America
Datasheet:
Part Number:
Description:
Winbond I/o
Manufacturer:
Winbond Electronics Corp America
Datasheet:
Part Number:
Description:
Winbond Clock Generator For Intel P4 Springdale Series Chipset
Manufacturer:
Winbond Electronics Corp America
Datasheet:
Part Number:
Description:
Winbond Clock Generator For Intel P4 Springdale Series Chipset
Manufacturer:
Winbond Electronics Corp America
Datasheet:
Part Number:
Description:
Winbond Clock Generator For Intel P4 Springdale Series Chipset P4 Springdale Series Chipset
Manufacturer:
Winbond Electronics Corp America
Datasheet:
Part Number:
Description:
Winbond Clock Generator For Intel P4 845 Series Chipset
Manufacturer:
Winbond Electronics Corp America
Datasheet:
Part Number:
Description:
Winbond Clock Generator For Via P4/kt Series Chipset
Manufacturer:
Winbond Electronics Corp America
Datasheet:
Part Number:
Description:
Winbond Clock Generator For Intel 915/925 Chipsets
Manufacturer:
Winbond Electronics Corp America
Datasheet:
Part Number:
Description:
Winbond H/w Monitoring Ic
Manufacturer:
Winbond Electronics Corp America
Datasheet:
Part Number:
Description:
Winbond Lpc I/o
Manufacturer:
Winbond Electronics Corp America
Datasheet:
Part Number:
Description:
Winbond Smbus Gpi/o
Manufacturer:
Winbond Electronics Corp America
Datasheet:
Part Number:
Description:
Winbond I/o
Manufacturer:
Winbond Electronics Corp America
Datasheet:
Part Number:
Description:
Pa-risc Embedded Controller
Manufacturer:
Winbond Electronics Corp America
Datasheet: