r6781-12 Conexant Systems, Inc., r6781-12 Datasheet - Page 62

• Manufacturer Part Number: r6781-12
• Description: Embedded Modem Family
• Manufacturer: Conexant Systems, Inc.

Table 5-2. S Register Description (6 of 8)
5-8
Register
S23
S24
S25
S26
Default
07
00
05
01
Bit Mapped
Range
0-255
0-255
0-255
0.01 or 1
Seconds
Seconds
Seconds
Units
0.01
—
Conexant
Bit Mapped Options.
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
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.
less than the time specified by S25, in 0.01 sec increments, are
ignored by the modem.
RTS to CTS Delay Intervals. Reserved
Bit 0
Bit 1, 2 Communications Rate
Bit 3
Bit 4, 5 Parity Option
Bit 6, 7 Guard Tones (See &G Command)
If in the on-line or on-line command state, changes in DTR that last
Obey request from remote modem for a Remote Digital
Loopback (See &T4 and &T5 Commands)
0
1
2 1
0 0
0 1
1 0
1 1
Reserved
5 4
0 0
0 1
1 0
1 1
7 6
0 0
0 1
1 0
1 1
&T5 selected
&T4 selected
300 bps
Reserved
1200 bps
2400 bps (factory default)
Even parity (factory default)
Space parity
Odd parity
Mark/None parity
&G0
Reserved
&G2
Reserved
—
—
Guard tone disabled (factory default)
1800 Hz guard tone
Description
—
—
RDL disabled
RDL enabled (factory default)
EmbeddedModem Family
Table
D224ATLVDSC
3-5.)