參數(shù)資料
型號: 101-0526
廠商: Rabbit Semiconductor
文件頁數(shù): 69/142頁
文件大?。?/td> 0K
描述: COMPUTER SNGLBD LP3510 FOX7.4MHZ
標準包裝: 10
系列: SBC
模塊/板類型: 單板計算機模塊
適用于相關(guān)產(chǎn)品: LP3510
26
Fox (LP3500)
3.4.1 RS-232
The LP3500 RS-232 serial communication is supported by an RS-232 transceiver. This trans-
ceiver provides the voltage output, slew rate, and input voltage immunity required to meet
the RS-232 serial communication protocol. Basically, the chip translates the Rabbit 3000’s
logic-level signals to RS-232 signal levels. Note that the polarity is reversed in an RS-232
circuit so that a +2.8 V output becomes approximately -7 V and 0 V is output as +7 V. The
RS-232 transceiver also provides the proper line loading for reliable communication.
RS-232 can be used effectively at the LP3500’s maximum baud rate for distances of up to
15 m.
Logic-level signals are also possible on Serial Ports B, C, and E by changing the 0
surface-mounted resistor jumper settings at locations JP1–JP6.
Serial Port E can be set to “l(fā)isten” and “wake up” the LP3500 when the unit is in a low-
power mode.
3.4.2 RS-485
The LP3500 has one RS-485 serial channel, which is connected to Serial Port F on the
Rabbit 3000 through an RS-485 transceiver. The half-duplex communication uses the
Rabbit 3000’s PG0 pin to control the transmit enable on the communication line.
The RS-485 transceiver used on the LP3500 is only capable of supporting a maximum
baud rate of 64,000 bits/s.
The LP3500 can be used in an RS-485 multidrop network. Connect the 485+ to 485+ and
485– to 485– using single twisted-pair wires (nonstranded, tinned) as shown in Figure 13.
Note that a common ground is recommended.
相關(guān)PDF資料
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參數(shù)描述
101-0529 功能描述:開發(fā)板和工具包 - 其他處理器 LP3500 Tool Kit RoHS:否 制造商:Freescale Semiconductor 產(chǎn)品:Development Systems 工具用于評估:P3041 核心:e500mc 接口類型:I2C, SPI, USB 工作電源電壓:
101053 制造商:RUKO 功能描述:Bulk
101-0530 功能描述:開發(fā)板和工具包 - 其他處理器 LP3500 TOOLKIT Univr RoHS:否 制造商:Freescale Semiconductor 產(chǎn)品:Development Systems 工具用于評估:P3041 核心:e500mc 接口類型:I2C, SPI, USB 工作電源電壓:
101-0531 功能描述:單板計算機 BL2101 0-10V A/D RoHS:否 制造商:Ampro By ADLINK 外觀尺寸:EPIC 處理器類型:Intel Atom D510 頻率:1.66 GHz 存儲容量:2 GB (max) 存儲類型:DDR2, L2 Cache 接口類型:Ethernet, PS/2, SATA, Serial, USB 工作電源電壓:5 V, 12 V 功耗:13 W 最大工作溫度:+ 70 C 尺寸:165.1 mm x 114.3 mm
10-105310-02P 制造商:Amphenol Aerospace 功能描述:RECEPT