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參數(shù)資料
| 型號： | TP3410J304 |
| 英文描述： | IC-ISDN TRANSCEIVER |
| 中文描述： | 集成電路- ISDN的收發(fā)器 |
| 文件頁數(shù)： | 15/32頁 |
| 文件大?。?/td> | 332K |
| 代理商： | TP3410J304 |
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Functional Description
(Continued)
before starting the transfer. It then sends the first byte in the
Monitor channel, with the associated E bit=0, and repeats
the byte in the next GCI frame. Normally, the receiving de-
vice will verify receiving the same byte in 2 consecutive
frames and acknowledge this by setting A=0 for at least 2
frames. If not, the message is aborted by sending A=0 for
only 1 frame.
On detecting the acknowledgement, the sending device then
sends the 2nd of the 2 bytes in 2 consecutive GCI frames (or
until it is acknowledged), with E=1 to indicate this is the last
byte of the transfer. The receiver verifies this byte is the
same for 2 frames and sends an acknowledgement by send-
ingA=1 in the next frame. If an abort is required, the receiver
will maintain A=1 for another frame. If a Monitor channel
message originated by the TP3410 is aborted, it will repeat
the complete message until it is successfully acknowledged.
8.4 C/I Channel
The C/I (Command/Indicate) channel in GCI byte 4 is used
solely to access the Activation Control Register and the Ac-
tivation Indication Register in the TP3410. A complete de-
scription of these registers is found in Section 11, including
the coding of the 4-bit messages. Unlike the Microwire Mode
of the device, however, the contents of these 2 registers are
transferred repeatedly in the C/I channel, once per GCI
frame. A change in transmit message is originated by a
change in the Activation Indication Register, while a change
in received message is verified in 2 consecutive GCI frames
before updating the Activation Control Register and taking
the appropriate action.
Note 4:
As an output (GCI Master) FS
a
is high for 8-bit intervals (16 BCLK cycles). As an input (GCI Slave) FS
a
must be high for
≥
1 BCLK cycle.
Note 5:
The FSb output is provided only in GCI Master Mode.
DS009151-16
FIGURE 14. GCI Frame Structure is an Example of Multiplex Mode with BCLK = 4.096 MHz
DS009151-27
FIGURE 15. GCI Monitor Channel and E and A Bit Protocol
15
www.national.com
PrintDate=1997/07/09 PrintTime=13:38:19 1109 ds009151 Rev. No. 1
Proof
15
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| TP3420J | ISDN Line Interface |
| TP3420N | ISDN Line Interface |
| TP3421J | ISDN Line Interface |
| TP3421N | ISDN Line Interface |
| TP3451J | Protocol Controller |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TP3410J-304 | 制造商:Texas Instruments 功能描述:ISDN LINE INTERFACE, BASIC, 28 Pin, Ceramic, DIP |
| TP3410J304/NOPB | 功能描述:IC TRANSCEIVER MONOLITHIC 28CDIP RoHS:是 類別:集成電路 (IC) >> 接口 - 驅(qū)動器，接收器，收發(fā)器 系列:- 標(biāo)準(zhǔn)包裝:1,000 系列:- 類型:收發(fā)器 驅(qū)動器/接收器數(shù):2/2 規(guī)程:RS232 電源電壓:3 V ~ 5.5 V 安裝類型:表面貼裝 封裝/外殼:16-SOIC（0.295"，7.50mm 寬） 供應(yīng)商設(shè)備封裝:16-SOIC 包裝:帶卷 (TR) |
| TP3410J304-X | 功能描述:IC TXRX ISDN BASIC ACC 28-CERDIP RoHS:否 類別:集成電路 (IC) >> 接口 - 驅(qū)動器，接收器，收發(fā)器 系列:- 標(biāo)準(zhǔn)包裝:1,000 系列:- 類型:收發(fā)器 驅(qū)動器/接收器數(shù):2/2 規(guī)程:RS232 電源電壓:3 V ~ 5.5 V 安裝類型:表面貼裝 封裝/外殼:16-SOIC（0.295"，7.50mm 寬） 供應(yīng)商設(shè)備封裝:16-SOIC 包裝:帶卷 (TR) |
| TP3410N304 | 制造商:OC White Company 功能描述:ISDN U HDLC Interface 1-Line 160Kbps 5V 28-Pin CDIP |
| TP3420A | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:ISDN S/T Interface Device |
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