參數(shù)資料
型號: Z0220516PSCR3641
廠商: ZILOG INC
元件分類: 調(diào)制器/解調(diào)器
英文描述: V2.22 Bis Modem Controller(V2.22Bis調(diào)制解調(diào)器控制器)
中文描述: 1.2 kbps DATA, MODEM-SUPPORT CIRCUIT, PDIP28
封裝: PLASTIC, DIP-28
文件頁數(shù): 21/30頁
文件大?。?/td> 226K
代理商: Z0220516PSCR3641
Z02205
ZiLOG
Modem Controller
PS001000-MOD0599
19
S21
S22
S23
S24
S25
Reserved
Reserved
Reserved
Reserved
0–255
Reserved
Reserved
Reserved
Reserved
seconds
or 1/100 sec.
Reserved
Reserved
Reserved
Reserved
During synchronous operation with the &Q1 command in effect, S-register S25 indicates
the number of seconds after a telephone line connection is made before the modem
examines DTR. This register allows sufficient 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.
Reserved
Reserved
Terminal inactivity timeout. Hangs up the modem after S28 minutes if no characters are
received from the modem’s terminal. Default = 0
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-flash according to the “!” dial
string modifier. Default = 25 fiftieths of a second.
Sets the Highest Line Rate. This register determines the highest telephone line data rate
the modem will use when connecting with a remote modem. See “Setting the Highest
Line Rate” section on the following page. Default = 0.
S26
S27
S28
Reserved
Reserved
0–255
Reserved
Reserved
minutes
S29
0–255
1/50th sec
S37
0–6
code
Table 4. Modem S-Registers (Continued)
Register
Range
Units
Description
相關(guān)PDF資料
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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