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參數(shù)資料
| 型號(hào)： | MC145572APB |
| 廠商： | Freescale Semiconductor |
| 文件頁(yè)數(shù)： | 13/52頁(yè) |
| 文件大?。?/td> | 0K |
| 描述： | IC ISDN INTERFACE TXCVER 44-LQFP |
| 標(biāo)準(zhǔn)包裝： | 160 |
| 類型： | 收發(fā)器 |
| 規(guī)程： | RS232 |
| 電源電壓： | 5V |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 44-LQFP |
| 供應(yīng)商設(shè)備封裝： | 44-LQFP（10x10） |
| 包裝： | 托盤 |
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21
MC145572EVK
Figure 2-7. Bit Error Rate Test Set-Up NT Side
2.5.1.1
OTHER LOOP-BACK TESTS.
A variety of other loop-back modes may be implemented.
Some modes are accessible through the activation menu while others require a working knowledge of the
SCP registers and are accessed through the command line interface of the monitor program. Refer to
Figure 2-8 and the text that follows for a description of some of these loop-backs. Refer also to the
MC145572 data book loop-back section. The menu items referred to are for the combined NT/LT mode.
J18 NT RxDATA
J20 NT TxDATA
J21 NT CLK
30
W*
GND
BIT ERROR RATE TESTER
EXTERNAL RxCLOCK
EXTERNAL TxCLOCK
RECEIVE DATA IN
TRANSMIT DATA OUT
*On some cases, this resistor may be needed to dampen ringing on clock transitions.
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Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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