W90221X Winbond Electronics Corp America, W90221X Datasheet - Page 154

• Manufacturer Part Number: W90221X
• Description: Pa-risc Embedded Controller
• Manufacturer: Winbond Electronics Corp America

Device Data FIFO (DFIFO)
Port address: 0xf0000374
Bits 0-31
W90221X version 0.6
16
24
0
8
17
25
1
9
Device data FIFO
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.
10
18
26
2
Access type: read/write
DFIFO MSB Byte
DFIFO LSB Byte
11
19
27
3
12
20
28
4
13
21
29
5
14
22
30
6
Default: 0x---
15
23
31
7
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