W90221X Winbond Electronics Corp America, W90221X Datasheet - Page 172

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

Bits 0 SSI Enable
Bit 1 Loop back enable
Bit 2 SYNC master mode enable
Bit 3 Long Framing Mode
is active. In this mode,
is active. In this mode,
Bit 4 Reserved
Bit 5 Frame active level
Bit 6 RX-FIFO MSB extension
Bit 7-11
W90221X version 0.6
8
0 = active high
1 = active low
0 = fill 0 in redundant MSBs of RX-FIFO
1 = non-implement
Word length = SLEN[0:4] + 1.
The word length supported by SSI is from 1 to 32 bits.
SLEN[0:4] configure TX/RX also.
if SLEN[0:4] <= 15,
0 = SSI disable
1 = SSI enable
0 = disable
1 = enable
0 = SYNC is input.
1 = SYNC is output.
0 = Short framing
9
The first data will be available on the next SCLK cycle as SYNC
The first data will be available on the same SCLK cycle as SYNC
SYNC width is 1 SLEN.
SLEN[1:4]
SYNC width is 1 SCLK.
1 = Long framing
Serial word length
10
11
FIFO will be configured as 48x16.
12
13
WPF[0:3]
14
15
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