W90221X Winbond Electronics Corp America, W90221X Datasheet - Page 171

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

Data FIFO Register (Dfifo)
Port address : 0xf0000380
The device build-in a 48x16 or 24x32 data fifo to accelerate the transfer rate.
The Dfifo may be 16-bit or 32-bit accessed by CPU, the type of reading, 16-bit
or 32-bit depends on
RX_FIFO type, and the type of writing, 16-bit or 32-bit depends on TX_FIFO
type.
Bits 0-31
PCM data in/out, Whether the MSB bits are sign- or zero-extension depends
on MEXT (CFGH[6]).
High Configuration Register (CFGH)
Port address : 0xf0000384
W90221X version 0.6
SSIEN
16
24
0
8
0
LOOP MASTE
17
25
1
9
1
10
18
26
R
2
2
LFMOD Reserve
Dfifo MSB Byte
Dfifo LSB byte
11
19
27
3
3
Read/Write Power-on Default : --
Read/Write Power-on Default : 0x0000
12
20
28
4
4
d
FACT
13
21
29
5
5
MEXT SLEN[0]
14
22
30
6
6
15
23
31
7
7
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