SI2493-D-FS Silicon Laboratories Inc, SI2493-D-FS Datasheet - Page 236

• 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

AN93
9.2.1. SMS User Registers
User registers that set up SMS operations are shown in Table 147. The default settings are shown in bold.
236
Register
UCC
UCD
UAA
UCA
UCB
UD1
UD2
UD3
UD4
UD7
U70
15:0
11:0
11:0
15:0
14:0
15:0
Bits
7:0
15
2
0
0
SMSMOD
CASRPT
TXDEL
Table 147. User Registers for SMS Operations
RUDE
Name
TXCS
TXMK
RXTO
CTDT
HES
Enables ESC (pin 22)
0 = Disabled
1 = Enabled
0 = Disables rude disconnect
1 = Enables rude disconnect
Modulation for SMS data
0: Bell202
1: V.23
Number of channel seizure bits
0 = no Channel Seizure
1 to 65535 = number of continuous alternating
spaces and marks in Channel Seizure.
Number of mark bits in message header
Respond to CAS, don’t report to the host (Auto) or do
report to the host (Manual)
0 = Auto Mode
1 = Manual Mode
Time the Originate modem waits before transmitting a
frame, in 10 ms units. Timed from the termination of the
previous signal.
Time that the Answer modem waits for the received sig-
nal after it receives the +FRM command; in 10 ms units
V.29FC Answer Tone Detector Threshold (in ms).
Range = 50–180 ms
CAS Tone Detector Threshold
SMS Mark Length Threshold
Rev. 1.3
Description
Default
(Hex)
2580
2580
0000
0000
0000
0000
0578
0
0
0
0