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| 型号： | SI3015-F-FS |
| 厂商： | Silicon Laboratories Inc |
| 文件页数： | 24/94页 |
| 文件大小： | 0K |
| 描述： | IC ISOMODEM LINE-SIDE DAA 16SOIC |
| 标准包装： | 48 |
| 系列： | ISOmodem® |
| 数据格式： | V.90 |
| 波特率： | 2.4k |
| 电源电压： | 3.3V，5V |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 16-SOIC（0.154"，3.90mm 宽） |
| 供应商设备封装： | 16-SOIC N |
| 包装： | 管件 |
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Si2400
30
Rev. 1.3
6.3. AT Command Set Description
AAnswer
The “A” command makes the modem go off hook and
respond to an incoming call. This command is to be
executed after the Si2400 has indicated a ring has
occurred. (The Si2400 will indicate an incoming ring by
echoing an “R”.)
This command is aborted if any other character is
transmitted to the Si2400 before the answer process is
completed.
Auto answer mode is entered by setting S00 (NR) to a
non-zero value. NR indicates the number of rings before
answering the line.
Upon
answering,
the
modem
communicates
by
whatever protocol has been determined via the modem
control registers in S07 (MF1).
If no transmit carrier signal is received from the calling
modem within the time specified in S39 (CDT), the
modem hangs up and enters the idle state.
DDial
DT#
Tone Dial Number.
DP#
Pulse Dial Number.
The D commands make the modem dial a telephone
call according to the digits and dial modifiers in the dial
string following the command. A maximum of 64 digits is
allowed. A DT command performs tone dialing, and a
DP command performs pulse dialing.
The “ATS07=40DT;” command can be used to go off
hook without detecting dial tone or dialing.
The dial string must contain only the digits “0–9”, “*”, “#”,
“A”, “B”, “C”, “D”, or the modifiers “;”, “/”, or “,”. Other
characters will be interpreted incorrectly. The modifier
“,” causes a two second delay (added to the spacing
value in S04) in dialing. The modifier “/” causes a
125 ms delay (added to the spacing value in S04) in
dialing. The modifier “;” returns the device to command
mode after dialing and must be the last character.
If any character is received by the Si2400 between the
ATDT#<CR> (or ATDP#<CR>) command and when the
connection is made (“c” or “d” is echoed), the extra
character is interpreted as an abort, and the Si2400
returns to command mode, ready to accept AT
commands. A line feed character immediately following
the <CR> will be treated as an “extra character” and will
abort the call.
If the modem does not have to dial (i.e., “ATDT<CR>” or
“ATDP<CR>” with no dial string), the Si2400 assumes
the call was manually established and attempts to make
a connection.
The following may be used to perform a hook-flash:
ATDT;
ATH
ATDT#
The length of the flash is determined by how quickly the
commands are entered. No comma is necessary for the
second dial because ATS01 sets the number of
seconds before dialing. Set S07[6] (BD) for blind dial.
6.3.1. Automatic Tone/Pulse Dialing
The Si2400 can be set up to try DTMF dialing and
automatically revert to pulse dialing if it determines that
the line is not DTMF-capable. This feature is best
explained by the following example:
If it is desired that the telephone number 12345 be
dialed, it is normally accomplished through either the
ATDT12345 or the ATDP12345 command. In the force
pulse dialing mode of operation, the following string
should be issued instead:
ATDT1,p12345
If the result code returned is “t,”, it indicates that the
dialing was accomplished using DTMF dialing. If the
result code returned is “tt,”, it indicates that the dialing
was accomplished using pulse dialing.
In the above example, the Si2400 dials the first digit “1”
using DTMF dialing. The “,” is used to pause in order to
ensure that the central office has had time to accept the
DTMF digit “1”. When the Si2400 processes the “p”
command, it attempts to detect a dial tone. If a dial tone
is detected, the DTMF digit “1” was not effective, hence
the line does not support DTMF dialing. Conversely, if
the dial tone is not detected, the DTMF digit “1” was
effective, and the line does support DTMF dialing. The
character after the “p” may or may not be dialed,
depending on whether the DTMF digit “1” was effective
or not. If the “1” was effective (DTMF mode), the
character after the “p” is skipped. The next DTMF digit
to be dialed is “2”. Subsequent digits are all DTMF. If the
“1” was not effective, the first character after the “p” (the
“1”) is pulse dialed, and subsequent digits are all pulse
dialed.
E
Command Mode Echo
Tells the Si2400 whether or not to echo characters sent
from the terminal.
EO
Does not echo characters sent from the terminal.
E1
Echo characters sent from the terminal.
H
Hangup
Hang up and go into command mode (go offline).
I
Chip Identification
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相关代理商/技术参数 |
参数描述 |
|---|---|
| SI3015-F-FSR | 制造商:Silicon Laboratories Inc 功能描述:Modem Chip Chipset 2.4Kbps 16-Pin SOIC T/R 制造商:Silicon Laboratories Inc 功能描述:MODEM CHIP CHIPSET ISOMODEM 2.4KBPS 16SOIC - Tape and Reel 制造商:Silicon Laboratories 功能描述:Modem Chip Chipset 2.4Kbps 16-Pin SOIC T/R |
| SI3015-FS | 功能描述:IC ISOMODEM LINE-SIDE DAA 16SOIC RoHS:是 类别:集成电路 (IC) >> 接口 - 调制解调器 - IC 和模块 系列:ISOmodem® 标准包装:25 系列:- 数据格式:V.21，V.22，V.23，V.29，V.32，V.34，V.90，V.92，Bell 103，Bell 212A 波特率:33.6k 电源电压:3.3V 安装类型:- 封装/外壳:- 供应商设备封装:- 包装:托盘 配用:591-1013-ND - KIT DEV SOCKETMODEM PARALLEL591-1009-ND - KIT DEV SRL SOCKETMODEM UNIVERSL 其它名称:MT5656SMI-P-V-34.R2-SPMT5656SMI-P-V-34.R2-SP-NDQ4711574 |
| SI3015-FSR | 制造商:Silicon Laboratories Inc 功能描述:SI2403 ISOMODEM LINE-SIDE LEAD-FREE SOIC 0 TO 70 DEG. C - Tape and Reel |
| SI3015-KS | 功能描述:电信线路管理 IC SI2400 Line Side RoHS:否 制造商:STMicroelectronics 产品:PHY 接口类型:UART 电源电压-最大:18 V 电源电压-最小:8 V 电源电流:30 mA 最大工作温度:+ 85 C 最小工作温度:- 40 C 安装风格:SMD/SMT 封装 / 箱体:VFQFPN-48 封装:Tray |
| SI3015-KSR | 功能描述:电信线路管理 IC SI2400 Line Side RoHS:否 制造商:STMicroelectronics 产品:PHY 接口类型:UART 电源电压-最大:18 V 电源电压-最小:8 V 电源电流:30 mA 最大工作温度:+ 85 C 最小工作温度:- 40 C 安装风格:SMD/SMT 封装 / 箱体:VFQFPN-48 封装:Tray |
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