參數(shù)資料
型號： MC145574
廠商： Motorola, Inc.
英文描述： ISDN S/T-Interface Transceiver
中文描述： 綜合業(yè)務(wù)數(shù)字網(wǎng)S / T的接口收發(fā)器
文件頁數(shù)： 50/164頁
文件大?。?/td> 1072K
代理商： MC145574
MC145574
6–4
MOTOROLA
When control of the SCP interface is available, a pseudo GCI mode can be activated through the
GCI control register. In the indirect mode, the SCP interface operates as normal and the IDL2 interface
operates in a GCI type 2B+D data format mode. This means that the 2B+D data is assembled in a
pseudo GCI frame for transmission, but the C/I, monitor, and A/E fields are high impedance. For recep-
tion, data is recognized in the B and D channels but is ignored in the C/I, M, and A/E channels. The
SCP interface is available as normal.
Figure 6–2. GCI Indirect Mode
FSC
DCL
Dout
Din
B2
D D
BASIC GCI CHANNEL IN INDIRECT MODE
FSC = 8 kHz
DCL = 512 kHz
Dout/Din = 256 kbps
125
μ
s
B1
B2
D D
B1
The following GCI control bits are located in the overlay register set, in OR5 and OR6.
GCI_IND EN, OR6(b2)
At reset, this bit is set to a logic zero; the inactive state (i.e., normal IDL2 mode). When set to a logic
one, the IDL2 port is reconfigured to have the same 2B+D data format as a GCI interface. When GCI
indirect mode is inactive, OR5(2:0) and OR6(1:0) bits are disabled.
CLK(1:0), OR6(b1, b0)
In master mode, these two bits control the output clock frequency of GCI_DCL. CLK(1:0)=0 is the
default state.
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Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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相關(guān)PDF資料
PDF描述
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MC145574AACR2 功能描述:IC TRANSCEIVER ISDN 32-LQFP 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)
MC145574ADW 功能描述:IC TRANSCEIVER ISDN 28-SOIC 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)
MC145574ADWR2 功能描述:IC TRANSCEIVER ISDN 28-SOIC 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)
MC145574AEG 制造商:Freescale Semiconductor 功能描述:
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