SI2457-D-FS Silicon Laboratories Inc, SI2457-D-FS Datasheet - Page 64
SI2457-D-FS
Manufacturer Part Number
SI2457-D-FS
Description
IC ISOMODEM SYSTEM-SIDE 16SOIC
Manufacturer
Silicon Laboratories Inc
Specifications of SI2457-D-FS
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
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Command
:W
:P
:Q
:R
:U
Table 39. Basic AT Command Set (Continued)
Program RAM write: this command is used to upload firmware
supplied by Silicon Labs to the ISOmodem. The format for this
command is AT:Phhhh,xxxx,yyyy,.... where hhhh is the first
address in hexadecimal, and xxxx,yyyy,.... is data in hexadecimal.
Only one :P command is allowed per AT command line. No other
command can be concatenated in the :P command line. This com-
mand is only for use with special files provided by Silicon Labora-
tories. Do not attempt to use this command for any other purpose.
Use &T6 to display checksum for patch verification.
:Qaaaa reads hexadecimal address aaaa. Returns hexadecimal
data value dddd. Only one command per line.
U-register read—This command reads U-register values in hexa-
decimal.
The format is AT:Rhh, where
hh = A particular U-register address in hexadecimal.
The AT:R command displays all U-register values.
Only one :R command is allowed per AT command line.
U-register write—This command writes to the 16-bit U registers.
The format is AT:Uhh,xxxx,yyyy,zzzz,..., where
hh = user-access address in hexadecimal.
xxxx = data in hexadecimal to be written to location hh.
yyyy = data in hexadecimal to be written to location (hh + 1).
zzzz = data in hexadecimal to be written to location (hh + 2).
etc.
Only one :U command is allowed per AT command line.
:Waaaa,dddd writes hexadecimal data value dddd to hexadecimal
data address aaaa. Only one command per line.
Rev. 1.3
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