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参数资料
| 型号： | CPC2400E-EVAL |
| 厂商： | IXYS Integrated Circuits Division |
| 文件页数： | 15/17页 |
| 文件大小： | 0K |
| 描述： | MODULE MODEM 2400BAUD EMBEDDEDED |
| 标准包装： | 1 |
| 主要目的： | 电信，调制解调器 |
| 已用 IC / 零件： | CPC2400E |
| 已供物品： | 板 |
I NTEGRATED C IRCUITS D IVISION
CPC2400E
Command
S21
S22
S23
S24
S25
Range
Reserved
Reserved
Reserved
Reserved
0 - 255
Units
Reserved
Reserved
Reserved
Reserved
Seconds or
1/100th sec
Description
Reserved
Reserved
Reserved
Reserved
During synchronous operation with the &Q1 command in effect, S-register S25 is the number of
seconds after a telephone line connection is made before the modem examines DTR. This allows
suf?cient time to disconnect the modem from an asynchronous terminal and attach it to a synchronous
terminal. In the On-Line or Command state during any mode of operation, changes in DTR for less
than S25 hundredths of a second are ignored.
S26
S27
S28
Reserved
Reserved
0 - 255
Reserved
Reserved
Minutes
Reserved
Reserved
Terminal inactivity timeout. Hangs up the modem after S28 minutes if no characters are received from
the modem’s terminal. Default = 0
S29
0 - 255
1/50th sec
Hook Flash On-Hook time. The amount of time in 20 millisecond units the modem will leave the
telephone on-hook while performing a hook-?ash according to the “!” dial string modi?er. Default = 25
?ftieths of a second.
S37
0-6
Code
Set Highest Line Rate - determines the highest telephone line data rate the modem will use when
connecting with a remote modem. See “Setting the Highest Line Rate” section below. Default = 0.
Setting the Highest Line Rate
The connect rate can be selected by S-register S37. The following connect rates are supported.
S-37 Value
0
4
5
6
Carrier
V.22, Bell 212A
V.22bis
Data Rate
The data rate of the last AT command
Reserved
1200 bps. See the B command
2400 bps
R03
www.ixysic.com
15
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