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參數(shù)資料
| 型號： | SI2439-A-GM |
| 廠商： | Silicon Laboratories Inc |
| 文件頁數(shù)： | 28/70頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC ISOMODEM 33.6KBPS 38-QFN |
| 標準包裝： | 364 |
| 系列： | * |
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Si2494/39
34
Rev. 1.0
+IFC Options
+IFC = A
+IFC = A,B
Specifies the flow control to be implemented.
A
Specifies the flow control method used by the host to control data from the modem
0None
1 Local XON/OFF flow control. Does not pass XON/XOFF character to the remote
modem.
2 Hardware flow control (RTS)
B
Specifies the flow control method used by the modem to control data from the host
0 None
1 Local XON/OFF flow control.
2 Hardware flow control (CTS).
+ITF Options
+ITF = A
+ITF = A,B
+ITF = A,B,C
Transmit flow control threshold.
A
Threshold above which the modem will generate a flow off signal
<0 to 511> bytes
B
Threshold below which the modem will generate a flow on signal
<0 to 511> bytes
C
Polling interval for <EM><BNUM> indicator
0 to 300 in 10 msec units.
+IPR = <rate>
Fixed DTE Rate.
<rate>
Description
0
Automatically detect the baud rate.
[BPS]
The decimal value of the rate in bits per second.
Note that the <rate> parameter represents the DTE rate in bps and may be set to any of the
following values: 300, 600, 1200, 2400, 4800, 7200, 9600, 12000, 14400, 19200, 38400,
57600, 115200, 230400, 245760, and 307200.
+MR = X
Modulation reporting control.
X
Mode
0
Disabled
1
Enabled
If enabled, the intermediate result code is transmitted at the point during connect negotiation.
The format of this result code is as follows:
+MCR: <carrier> e.g. +MCR: V32B
+MRR: <rate>
e.g. +MRR: 14400
Table 10. Basic AT Command Set (Command Defaults in Bold) (Continued)
Command
Action
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| SI2439-A-GMR | 制造商:Silicon Laboratories Inc 功能描述:33.6 KBPS ISOMODEM + VOICE - Tape and Reel 制造商:Silicon Laboratories Inc 功能描述:IC ISOMODEM 33.6KBPS 38-QFN |
| SI2456 | 制造商:SILABS 制造商全稱:SILABS 功能描述:V.90, V.34, V.32BIS ISOMODEM⑩ WITH INTEGRATED GLOBAL DAA |
| SI2456-FT | 制造商:Silicon Laboratories Inc 功能描述:MODEM CHIP CHIPSET ISOMODEM 56KBPS 24TSSOP - Rail/Tube |
| SI2456-FT/REV F | 制造商:Silicon Laboratories Inc 功能描述:NOT RECOMMENDED FOR NEW DESIGNS, SEE SI2457-FT - Rail/Tube |
| Si2456-FTR | 制造商:Silicon Laboratories Inc 功能描述:MODEM CHIP CHIPSET ISOMODEM 56KBPS 24TSSOP - Tape and Reel |
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