參數(shù)資料
型號(hào)： Z0220516SSC1961
廠(chǎng)商： ZILOG INC
元件分類(lèi)： 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, PDSO28
封裝： SOIC-28
文件頁(yè)數(shù)： 13/30頁(yè)
文件大?。?/td> 226K
代理商： Z0220516SSC1961
Z02205
ZiLOG
Modem Controller
PS001000-MOD0599
11
Table 2. AT Command Set
Command
A
Function and Description
The A command causes the modem go off-hook and respond to an incoming call. Uses
this command after the modem has returned the RING result code.
When modems successfully complete the answering process, they each return a
CONNECT result code and enter the On-Line state.
If no transmit carrier signal is received from the calling modem within the time specified
in S-register S7, the modem hangs up, returns the NO CARRIER result code, and enters
the Idle state.
Any commands following the answer command on the command line are ignored.
This command is aborted if a key is pressed before the answer process is completed, or
when DTR is off, if some options in the &Q or &D commands have been used.
The B command indicates to the modem which special telephone line modulation
standards to use. The modem can be configured to use:
B0
Uses the ITU-T modulation standards for all telephone line data rates. This
includes V.22 for the 1200 bps telephone line data rate and V.21 for the 300
bps telephone line data rate. If S-register S37 is set to 1 (or 2), then V.23 is
used with the originating modem transmitting at 75 bps and receiving at
1200 bps. If S-register S37 is set to any other value, V.23 is not used.
B1
If the 1200 bps telephone line data rate is required, Bell 212A is used
instead of V.22. This is the default value for North America. The 1200 bps
telephone line data rate is required only if:
S-register S37 is set to 5, or
S-register S37 is set to 0, and the terminal data rate is 1200 bps.
If the 300 bps telephone line data rate is required, Bell 103 is used instead
of V.21. The 300 bps telephone line data rate is required only if:
S-register S37 is set to 3, or
S-register S37 is set to 0 and the terminal data rate is 300 bps.
If neither the 1200 bps nor 300 bps telephone line data rate are required,
then a setting of B1 is ignored and the modem responds as if B0 was set.
B2
Same as B0 for the 1200 bps and 300 bps telephone line date rate. Uses
V.23 with the originating modem transmitting at 1200 bps and receiving at
75 bps, if S-register S37 is set to 1 or 2.
B3
Same as B0 for the 1200 bps and 300 bps telephone line date rate. Uses
V.23 with the originating modem transmitting at 75 bps and receiving at
1200 bps, if S-register S37 is set to 1 or 2.
&C determines how the modem’s DCD signal relates to the carrier signal from the other
modem. This option occurs only at the beginning of a telephone line connection. If &C is
issued from the Command state, it will not have an immediate effect.
&C0
During asynchronous operation (&Q0 in effect), DCD is on at all times.
During synchronous operation (&Q1), DCD indicates the state of the
carrier signal from the other modem using S-registers S9 and S10. This is
the default value in North America.
&C1
Indicates the state of the carrier signal from the other modem using S-
registers S9 and S10.
Answer
B
Communication Standard
Option
&C
Data Carrier Detect
Options
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
Z0220516SSC1961TR 功能描述:IC MODEM CTRL 28SOIC RoHS:否 類(lèi)別:集成電路 (IC) >> 接口 - 調(diào)制解調(diào)器 - IC 和模塊 系列:- 標(biāo)準(zhǔn)包裝:25 系列:- 數(shù)據(jù)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 電源電壓:3.3V 安裝類(lèi)型:- 封裝/外殼:- 供應(yīng)商設(shè)備封裝:- 包裝:托盤(pán) 配用:591-1013-ND - KIT DEV SOCKETMODEM PARALLEL591-1009-ND - KIT DEV SRL SOCKETMODEM UNIVERSL 其它名稱(chēng):MT5656SMI-P-V-34.R2-SPMT5656SMI-P-V-34.R2-SP-NDQ4711574
Z0220516SSCR3641 功能描述:電信線(xiàn)路管理 IC OTP CONTROLLER 86E34 RoHS:否 制造商:STMicroelectronics 產(chǎn)品:PHY 接口類(lèi)型:UART 電源電壓-最大:18 V 電源電壓-最小:8 V 電源電流:30 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VFQFPN-48 封裝:Tray
Z0220516SSCR3641T 制造商:ZILOG 制造商全稱(chēng):ZILOG 功能描述:MODEM CONTROLLER IDEAL FOR LOW POWER CONSUMPTION, SMALL SIZE REQUIREMENTS
Z0220516SSCR3641TR 功能描述:IC MODEM CTRL 28SOIC RoHS:否 類(lèi)別:集成電路 (IC) >> 接口 - 調(diào)制解調(diào)器 - IC 和模塊 系列:- 標(biāo)準(zhǔn)包裝:25 系列:- 數(shù)據(jù)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 電源電壓:3.3V 安裝類(lèi)型:- 封裝/外殼:- 供應(yīng)商設(shè)備封裝:- 包裝:托盤(pán) 配用:591-1013-ND - KIT DEV SOCKETMODEM PARALLEL591-1009-ND - KIT DEV SRL SOCKETMODEM UNIVERSL 其它名稱(chēng):MT5656SMI-P-V-34.R2-SPMT5656SMI-P-V-34.R2-SP-NDQ4711574
Z0220516SSCR4259 功能描述:電信線(xiàn)路管理 IC OTP CONTROLLER 86E34 RoHS:否 制造商:STMicroelectronics 產(chǎn)品:PHY 接口類(lèi)型:UART 電源電壓-最大:18 V 電源電壓-最小:8 V 電源電流:30 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VFQFPN-48 封裝:Tray
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