RC224ATL/224ATLV
5.0 S Registers
EmbeddedModem Family
Table 5-2. S Register Description (5 of 8)
Register
Default
Range
Units
Description
—
S22
76h
Bit Mapped
Bit Mapped Options. S22 is the modem register with the following
bit functions:
Bit 0, 1 Speaker Volume (See L Command)
1 0
0 0
0 1
1 0
1 1
L0—Speaker volume low
L1—Speaker volume low
L2—Speaker volume medium (factory default)
L3—Speaker volume high
Bit 2, 3 Speaker Control (See M Command)
3 2
0 0
0 1
M0—Speaker disabled
M1—Speaker on until carrier detected (factory
default)
1 0
1 1
M2—Speaker always on
M3—Speaker on until carrier detected but off
during dialing
Bit 4, 5, 6Result Code Options (See X Command)
6 5 4
0 0 0 X0—Selects appropriate connect result code,
goes off-hook when the dial command is
received, waits the number of nds given by
register S6, and “blind dials” (does not look
for dial tone).
0 0 1 Reserved
0 1 0 Reserved
0 1 1 Reserved
1 0 0 X1—Selects appropriate connect result code,
goes off-hook, waits the number of seconds
specified by register S6 and blind dials
without waiting for dial tone. Busy is not
detected.
1 0 1 X2—Selects appropriate connect result code,
goes off-hook, and dials when dial tone is
detected. Busy is not detected.
1 1 0 X3—Selects appropriate connect result code,
goes off-hook, waits the number of seconds
specified in register S6, blind dials, detects
busy signal and sends BUSY result code.
1 1 1 X4—Selects appropriate connect result code,
goes off-hook and dials when dial tone is
detected, detects busy signal and sends BUSY
result code. All result codes are enabled
(factory default).
Bit 7
Make/Break Ratio (See &P Command)
0
&P0—39/61 United States/Canada (factory
default)
1
&P1—33/67 UK/Hong Kong
D224ATLVDSC
Conexant
5-7
CONEXANT [ CONEXANT SYSTEMS, INC ]
