參數(shù)資料
型號(hào)： SI2494-A-FM
廠商： Silicon Laboratories Inc
文件頁(yè)數(shù)： 42/70頁(yè)
文件大?。?/td> 0K
描述： IC ISOMODEM 56KBPS 38-QFN
標(biāo)準(zhǔn)包裝： 364
系列： *
Si2494/39
Rev. 1.0
47
\Q3
Use RTS/CTS
\Q4
Use XON/XOFF flow control for modem-to-DTE interface. Does not enable modem-to-modem flow
control.
\Tn
DTE rate—Change DTE rate. When the Si2494/39 is configured in autobaud mode (default), \T0
through \T15 will lock the new baud rate and disable autobaud. When the ISOmodem is not in
autobaud mode (the autobaud strap pin low on powerup), the result code “OK” is sent at the old DTE
rate. Subsequent commands must be sent at the new rate.
\T0
300 bps
\T1
600 bps
\T2
1200 bps
\T3
2400 bps
\T4
4800 bps
\T5
7200 bps
\T6
9600 bps
\T7
12.0 kbps2
\T8
14.4 kbps
\T9
19.2 kbps3
\T10
38.4 kbps
\T11
57.6 kbps
\T12
115.2 kbps
\T13
230.4 kbps
\T14
245.760 kbps2
\T15
307.200 kbps
\T16
Autobaud on3
\T17
Autobaud off; lock at current baud rate.
Table 13. Extended AT\ Command Set (Command Defaults in Bold) (Continued)
Command
Action
Notes:
1.
When in autobaud mode, \B0, \B1, and \P1 will not be detected automatically. The combination of \B2 and \P3 will be
detected. This is compatible with seven data bits, no parity, two stop bits. Seven data bits, no parity, one stop bit may be
forced by sending AT\T17\B1.
2.
The autobaud feature does not detect this rate.
3.
Default is \T9 if a pulldown resistor is connected to the autobaud strap pin; otherwise, the default is \T16.
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