參數(shù)資料
型號(hào)： 20-101-0525
廠商： Rabbit Semiconductor
文件頁數(shù)： 69/142頁
文件大?。?/td> 0K
描述： COMPUTER SINGLE-BOARD LP3500 FOX
標(biāo)準(zhǔn)包裝： 1
系列： SBC LP3500
模塊/板類型： 單板計(jì)算機(jī)模塊
適用于相關(guān)產(chǎn)品： LP3500
其它名稱： 316-1115
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.
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20-101-0526 功能描述:單板計(jì)算機(jī) LP3510 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(chǔ)容量:2 GB (max) 存儲(chǔ)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
20-101-0531 功能描述:網(wǎng)絡(luò)模塊 BL2102 RoHS:否 制造商:Digi International 產(chǎn)品:ZigBee to Ethernets 處理器類型: 頻率: 隨機(jī)存取存儲(chǔ)器: 閃光: 數(shù)據(jù)速率: 接口類型:Ethernet, RF 工作電源電壓:5 V 最大工作溫度:+ 40 C 尺寸:70 mm x 95 mm x 32 mm
20-101-0535 功能描述:單板計(jì)算機(jī) OP7200 Touchscreen 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(chǔ)容量:2 GB (max) 存儲(chǔ)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
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20-101-0537 功能描述:單板計(jì)算機(jī) OP7200 TS 512K/512K 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(chǔ)容量:2 GB (max) 存儲(chǔ)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
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