AN93
Rev. 1.4
69
*Y[sequence]
Special Access Mode—This command enables special modes and data
memory access.
[sequence]
Description
254:Waaaa,dddd
Write hexadecimal data value dddd to hexadeci-
mal data address
aaaa. Only one 254:W command per line.
254:Qaaaa
Read hexadecimal address aaaa. Returns
hexadecimal data value
dddd. Only one 254:Q command per line.
2
Enable continuous answer tone for the ATA
command. Use ATZ to clear this mode. For
example, the single-line, multiple command is
AT*Y2A.
1
Enable continuous DTMF tone for first digit used
in the ATD command. Use ATZ to clear this
mode. For example, the single-line, multiple
command for a continuous DTMF “1” digit would
be AT*Y1D1.
0
Exit from 254:W or 254:Q access mode. Must
reside on a separate line and must be the final
sequence be sent after the final 254:W or 254:Q
command.
+DR=X
Data compression reporting.
X Mode
0 Disabled
1 Enabled
If enabled, the intermediate result code is transmitted at the point after
error control negotiation. The format of this result code is as follows:
Result code Mode
+DR:NONE Data compression is not in use
+DR:V42B Rec. V.42bis is in use in both directions
+DR:V42B RD
Rec. V.42bis is in use in receive direction only
+DR:V42B TD
Rec. V.42bis is in use in transmit directions only
+DR:V44 Rec. V.44 is in use in both directions
+DR:V44 RD Rec. V.44 is in use in receive direction only
+DR:V44 TD
Rec. V.44 is in use in transmit directions only
+DS=
A,B,C,D
Controls V.42bis data compression function.
A Direction
0
No compression (V.42bis P0 = 0)
1 Transmit
only
2 Receive
only
3
Both Directions (V.42bis P0 = 11)
B Compression
negotiation
0
Do not disconnect if Rec. V.42 is not negotiated.
1
Disconnect is Rec. V.42 is not negotiated.
C
Max_dict 512 to 65535
D
Max_string 6 to 250
Table 49. Basic AT Command Set (Continued)
Command
Action
Содержание Si2404
Страница 2: ...AN93 2 Rev 1 4 ...
Страница 27: ...AN93 Rev 1 4 27 Figure 7 Parallel Interface Read Timing Figure 8 Parallel Interface Write Timing ...
Страница 200: ...AN93 200 Rev 1 4 Figure 31 TAM Handset and Speakerphone Voice Paths ...
Страница 201: ...AN93 Rev 1 4 201 Figure 32 Si3000 Codec Gain and Signal Selection Options ...
Страница 290: ...AN93 290 Rev 1 4 Figure 57 256 Band Spectral Display Figure 58 2048 Band Spectral Display ...
Страница 305: ...AN93 Rev 1 4 305 Figure 76 Parallel or SPI Port Interrupt Service Flowchart ...