SI2493-C-GT Silicon Laboratories Inc, SI2493-C-GT Datasheet - Page 39

• Manufacturer Part Number: SI2493-C-GT
• Description: IC ISOMODEM SYSTEM-SIDE 24TSSOP
• Manufacturer: Silicon Laboratories Inc

Specifications of SI2493-C-GT

• Mfg Application Notes: SI2493/57/34/15/04, Appl Note AN93
• Data Format: V.21, V.22, V.23, V.29, V.32, V.34, V.90, V.92, Bell 103, Bell 212A
• Baud Rates: 56k
• Interface: Parallel
• Voltage - Supply: 3 V ~ 3.6 V
• Mounting Type: Surface Mount
• Package / Case: 24-TSSOP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

+MS Options
+MS = A
+MS = A,B
+MS = A,B,C
+MS = A,B,C,
D
+MS = A,B,C,
D,E
+MS = A,B,C,
D,E,F
+PCW = X
+PIG=X
+PMH=X
+PMHF=X
Command
Modulation Selection.
A
B
C
D
E
F
Controls the action to be taken upon detection of call waiting.
X
0
1
2
Controls the use of PCM upstream in a V.92 DCE.
X
0
1
Controls the modem-on-hold procedures.
X
0
1
V.92 MOH hook flash. This command causes the DCE to go on-hook and then return off-hook. If
this command is initiated and the modem is not On Hold, Error is returned.
Mode
Toggle RI and collect type II Caller ID if enabled by +VCID.
Hang up.
Ignore call waiting.
Mode
Enable PCM upstream.
Disable PCM upstream.
Mode
Enables V.92 MOH.
Disables V.92 MOH.
V21
V22
V22B
V32
V32B
V34
V90
V92
0
1
Preferred modem carrier
Automatic modulation negotiation
Min Tx rate. Specifies minimum transmission rate.
0
Max Tx rate. Specifies highest transmission rate. If not specified, they are determined by
V21
V22
V22B 2400
Min Rx rate. Specifies minimum receive rate.
0
Max Rx rate. Specifies maximum receive rate. If not specified (set to 0), they are deter-
V21
V22
V22B 2400
the carrier and automode settings.
mined by the carrier and automode settings.
Table 18. Basic AT Command Set (Continued)
Not configurable; always set to 0.
300
1200
Not configurable; always set to 0.
300
1200
ITU-T V.21
ITU-T V.22
ITU-T V.32
ITU-T V.34 (default for Si2434)
ITU-T V.90 (default for Si2457)
ITU-T V.92 (default for Si2493)
ITU-T V.22bis (default for Si2404)
ITU-T V.32bis (default for Si2415)
Disabled
Enabled
V32
V32B 14400
V34
V32
V32B 14400
V34
9600
33600
9600
33600
Rev. 0.9
V90 33600
V92 48000
V90 54666
V92 54666
Action
AN93
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