User guide

Redpine Signals, Inc. Proprietary and Confidential. Page 96
R
R
S
S
9
9
1
1
1
1
0
0
-
-
N
N
-
-
1
1
1
1
-
-
2
2
2
2
/
/
2
2
4
4
/
/
2
2
8
8
S
S
o
o
f
f
t
t
w
w
a
a
r
r
e
e
P
P
r
r
o
o
g
g
r
r
a
a
m
m
m
m
i
i
n
n
g
g
R
R
e
e
f
f
e
e
r
r
e
e
n
n
c
c
e
e
M
M
a
a
n
n
u
u
a
a
l
l
V
V
e
e
r
r
s
s
i
i
o
o
n
n
4
4
.
.
1
1
5
5
Command
Bit Number
Description
cleared. Otherwise, it these bits are used
to indicate type of the packet, flowing
from the Host to the RS9110-N-11-2X
module. Definition is as follows:
2 – Regular data frame.
4 – Management frame.
Other values are reserved for future use.
C3
7:0
Length (7:0)
LSB of the transfer‟s length (which is in
terms of bytes) in case bit 2 of C1 is set.
This command is skipped if bit 2 of C1 is
cleared.
C4
7:0
MSB of the transfer Length (15:8)
(which is in terms of bytes) in case bit 2
of C1 is set.
This command is skipped if bit 2 of C1 is
cleared i.e. if 2-bit length is selected.
Table 5: SPI Command Description
To all these commands, the SPI interface responds with a set of unique
responses. Refer section Slave Response .