SI2493-D-FS Silicon Laboratories Inc, SI2493-D-FS Datasheet - Page 63
SI2493-D-FS
Manufacturer Part Number
SI2493-D-FS
Description
IC ISOMODEM SYSTEM-SIDE 16SOIC
Manufacturer
Silicon Laboratories Inc
Specifications of SI2493-D-FS
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
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Command
*Y254
:LPhh
*Y0
*Y1
*Y2
V1
Xn
X0
X1
X2
X3
X4
X5
Yn
:M
:E
Z
:I
Table 39. Basic AT Command Set (Continued)
Verbal result codes.
Call Progress Monitor (CPM)—This command controls which CPM
signals are monitored and reported to the host from the ISOmo-
dem (See Table 43).
Basic results; disable CPM—Blind dial (does not wait for dial tone).
CONNECT message does not include speed.
Extended results; disable CPM—Blind dial. CONNECT message
includes speed.
Extended results and detect dial tone only. X1 with dial tone detec-
tion.
Extended results and detect busy only. X1 with busy tone detec-
tion.
Extended results, full CPM. X1 with dial and busy tone detec-
tion.
Extended results—Full CPM enabled including ringback detection.
X4 with ring back detection.
Long space disconnect—Modem hangs up after 1.5 seconds or
more of continuous space while on-line.
Disable data memory access by disallowing :W and :Q Com-
mands.
Enable continuous DTMF tone (ATxY1D9 sends continuous “9”
tone).
Enable continuous answer tone. To enable continuous answer
tone and answer, use ATxY2A.
Enables Data Memory Access, i.e. allows :W and :Q commands.
Hard reset—This command is functionally-equivalent to pulsing
the RESET pin low.
Read from serial EEPROM. The format is AT:Ehhhh, where hhhh
is the EEPROM address in hexadecimal.
Interrupt read—This command causes the ISOmodem to report
the lower eight bits of the interrupt register U70 (IO0). The CID,
OCD, PPD, and RI bits of this register are cleared, and the INT pin
(HIR1 INT flag in parallel or SPI mode) is deactivated on this read.
Read Quick Connect data.
hh is a hexadecimal value. Data are read as follows:
:LP
:LP
:LP
:LP
Write to serial EEPROM. The format is AT:Mhhhh,xxxx, where
hhhh is the EEPROM address in hexadecimal and xxxx is the
EEPROM data in hexadecimal.
0
8
10
18
d
d
d
d
1
9
17
25
...d
...d
...d
...d
Rev. 1.3
8
16
24
32
Action
AN93
63
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