RC224ATL View Datasheet(PDF) - Conexant Systems
Part Name
Description
MFG CO.
'RC224ATL' PDF : 104 Pages View PDF
5.0 S Registers
RC224ATL/224ATLV
EmbeddedModem Family
Table 5-2. S Register Description (6 of 8)
Register
S23
S24
S25
S26
Default
07
00
05
01
Range
Bit Mapped
0-255
0-255
0-255
Units
Description
— Bit Mapped Options.
Bit 0 Obey request from remote modem for a Remote Digital
Loopback (See &T4 and &T5 Commands)
0
&T5 selected—RDL disabled
1
&T4 selected—RDL enabled (factory default)
Bit 1, 2 Communications Rate
21
0 0 300 bps
0 1 Reserved
1 0 1200 bps
1 1 2400 bps (factory default)
Bit 3 Reserved
Bit 4, 5 Parity Option
54
0 0 Even parity (factory default)
0 1 Space parity
1 0 Odd parity
1 1 Mark/None parity
Bit 6, 7 Guard Tones (See &G Command)
76
0 0 &G0—Guard tone disabled (factory default)
0 1 Reserved
1 0 &G2—1800 Hz guard tone
1 1 Reserved
Seconds
Sleep Mode Inactivity Timer. S24 is used to set the amount of
time the modem may be inactive before it will enter sleep mode.
The range of S24 is 0 ≤ S24 ≤ 4, and Sleep Mode is inhibited when
S24 = 255. (Also see Sleep Mode Signals in Table 3-5.)
0.01 or 1
Seconds
Detect DTR Change. If &Q1 is selected, S25 is the delay in
seconds after a connection has been made, but before the modem
examines the DTR lead.
If in the on-line or on-line command state, changes in DTR that last
less than the time specified by S25, in 0.01 sec increments, are
ignored by the modem.
0.01 RTS to CTS Delay Intervals. Reserved
Seconds
5-8
Conexant
D224ATLVDSC
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