User guide

Redpine Signals, Inc. Proprietary and Confidential. Page 120
R
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data payload for commands is shown below. This description is for a Little
Endian System.
Descriptor (16 bytes )
Management/Data
Frame Body (multiples of
4 bytes)
The following table provides the general description of the frame descriptor for
management and data frames.
Word
Management Frame
Descriptor
Data Frame Descriptor
Word0
W0[15:0]
Bits [7:0] – Length
Bits [15:8] – Type of
Management packet (see
Management Frames)
Bits [11:0] – Length of the
frame
Bits [15:12] - Not used,
should be set to all „0‟ while
sending from Host to
module. While receiving
from module, these bits
should be ignored
Word1
W1[15:0]
1. (0x0000) when sent from
host to module.
2. When sent from module to
host (as response frame), it
contains the status Status
Words for Response to
Management Frames.
3. In the case of firmware
upgrade, W1[15:0] is used
to indicate the length of
the firmware file. Please
refer to the section
Firmware Upgrade and
Bootload for more details.
0x0000
Word2
W2[15:0]
0x0000
0x0000 – In TCP enabled
mode.
0x0044 – In TCP bypass
mode for relevant
commands listed in section
Other Commands (Data
Frames)
0x0000 – In TCP Bypass
mode, for IP data send and
receive operations
Word3
W3[15:0]
0x0000
0x0000