参数资料
型号: L64781
厂商: LSI CORP
元件分类: 消费家电
英文描述: SPECIALTY CONSUMER CIRCUIT, PQFP100
封装: PLASTIC, QFP-100
文件页数: 18/164页
文件大小: 2003K
代理商: L64781
5-44
Registers
SPI_MODE_AB
SPI Mode
D5 R/W
SPI_MODE_AB species the mode in which SPI is
enabled, selecting between SPI Mode A (0) and SPI
Mode B (1). In Mode A, SPI_DVALID_OUT is LOW
during the check bytes. In Mode B, SPI_DVALID_OUT is
always HIGH.
The initial value of SPI_MODE_AB is 0.
Table 5.7
Data Output Interface
Mode
SPI_SSI
SPI_MODE
_AB
SPI_CLK
_AND
OF
BF
FMODE
Comments
SPI/SSI
Off
FEC
output
00
X
0
X
Serial mode
00
1
X
Parallel mode with BCLKOUT
free running clock.
00
1
0
1
Parallel mode with BCLKOUT
validating only valid data bytes
and running during check bytes
00
1
0
Parallel mode with BCLKOUT
validating only valid data bytes
and LOW during check bytes
SPI
ON
01
0
1
0
1
SPI mode A. DVOUT LOW
during RS check bytes.
01
1
0
SPI mode B. DVOUT always
HIGH.
01
0
1
SPI mode A. BCLK clock
ANDed with DVOUT. DVOUT
LOW during RS check bytes.
SSI
ON
10
0
X
1
0
1
SSI mode A. DVOUT LOW
during RS check bytes.
10
1
0
SSI mode B. DVOUT HIGH
during RS check bytes.
SPI_MODE_AB
Denition
0
SPI Mode A
1
SPI Mode B
l64781.book Page 44 Friday, January 19, 2001 1:28 PM
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