參數(shù)資料
型號(hào): MAX3162EEAI
廠商: MAXIM INTEGRATED PRODUCTS INC
元件分類: 通用總線功能
英文描述: Octal LVDS Receiver 38-TSSOP -40 to 85
中文描述: LINE TRANSCEIVER, PDSO28
封裝: 5.30 MM, MO-150, SSOP-28
文件頁(yè)數(shù): 19/26頁(yè)
文件大?。?/td> 480K
代理商: MAX3162EEAI
M
±15kV ESD-Protected, +3.0V to +5.5V, 10nA,
RS-232/RS-485/RS-422 Multiprotocol Transceivers
______________________________________________________________________________________
19
M
ultiprotocol Bus
The
Typical Operating Circuit
shows a standard appli-
cation for the MAX3160E. The MAX3160E’s outputs are
multiplexed between RS-232 and RS-485 protocols by
a microprocessor (μP). The μP also directs the shut-
down functions, enable lines, and the duplex of the
MAX3160E. Data is transmitted to the MAX3100 UART
through an SPI port. The UART asynchronously
transfers data through the MAX3160E to the pin-select-
ed RS-232 or RS-485 protocal. See Table 14 for com-
monly used cable connections.
Multiprotocol Bus Multiplexer
The
Typical Application Circuit
shows the MAX3161E
configured as a multiprotocol bus multiplexer. The
MAX3161E separates the RS-232 and RS-485 lines, but
shares the logic pins between modes. This application
allows the μP to monitor a point-to-point RS-232 bus, and
a multidrop RS-485 interface. The MAX3100 UART asyn-
chronously transfers data through the MAX3161E to the
pin-selected RS-232 or RS-485 protocol.
1
μ
s/div
R
OUT
T
OUT
5V/div
T
IN
1
μ
s/div
R
OUT
Figure 15. MAX3161E/MAX3162E RS-232 Loopback Test Result
at 250kbps, FAST = Low
200ns/div
T
OUT
5V/div
R
OUT
T
IN
Figure 16. MAX3161E/MAX3162E RS-232 Loopback Test Result
at 1Mbps, FAST = High
SPI is a registered trademark of Motorola, Inc.
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