SI2493-C-GT Silicon Laboratories Inc, SI2493-C-GT Datasheet - Page 44
SI2493-C-GT
Manufacturer Part Number
SI2493-C-GT
Description
IC ISOMODEM SYSTEM-SIDE 24TSSOP
Manufacturer
Silicon Laboratories Inc
Datasheet
1.SI2493-C-FS.pdf
(230 pages)
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
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Notes:
1. The initial number attempted to test for an outside line is controlled by S51 (default = 1).
2. AT&$ reflects the last AT&P command issued but does not reflect any subsequent changes made by writing U-registers
Y2A
&X0
&X1
&X2
&Z
with AT:U.
2
Si3018 V
Abort &x1 or &x2 command.
Automatic determination of telephone line type.
Result code: WXYZn
W:
X:
Y:
Z:
n:
Same as &X1, but Y result (PBX) is not tested.
Produce a constant answer tone (ITU-T) and return to command mode. The answer tone continues
until the ATH command is received or the S7 timer expires.
Enter low-power wake-on-ring mode.
0 = line supports DTMF dialing.
1 = line is pulse dial only.
0 = line supports 20 pps dialing.
1 = line supports 10 pps dialing only.
0 = extension network present (PBX).
1 = outside line (PSTN) connected directly.
0 = continuous dial tone.
1 = make-break dial tone.
0–9 (number required for outside line if Y = 0).
RING
Table 19. Extended AT& Command Set (Continued)
TIP
TR
Figure 10. Phone Line Termination Circuit
+
–
10 µF
600 Ω
Rev. 0.9
1
I
L
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