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Moteur de recherche de fiches techniques de composants électroniques |
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Moteur de recherche de fiches techniques de composants électroniques |
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SI2401FS10-EVB Fiches technique(PDF) 6 Page - Silicon Laboratories |
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SI2401FS10-EVB Fiches technique(HTML) 6 Page - Silicon Laboratories |
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6 / 32 page  Si2401FS10-EVB 6 Rev. 1.1 3.1.7. USB Interface The USB cable connects to J5 on the motherboard and provides both data and power. Installing a jumper on JP5 enables the USB interface and disables the RS-232 interface. The USB interface is provided by U5. A USB driver for this chip is available for most PC and MAC operating systems on the CD. 3.1.8. Direct Access Interface The motherboard supplies power through J3, J4, or USB, power-on reset, and an RJ-11 jack for the modem. The direct access interface (JP3) is used to connect the motherboard to an embedded system. JP3 provides access to all Si2401 signals available on the daughter card. It is necessary to install a jumper on JP8 to disable both the RS-232 and USB interface and prevent signal contention. Leave the jumper between JP7 pins 1 and 2. Figure 3 illustrates the jumper settings required for the direct access mode using the motherboard. Figure 3. Jumper Settings for Direct Access Interface Table 4. DB9 Pin Connections J1 Name J1 Symbol J1 Pin Si2401 Pin Si2401 Name Carrier Detect CD 11 Received Data RXD 2 5 RXD Transmit Data TXD 3 6 TXD Data Terminal Ready DTR 42 14 ESC/GPIO3 Signal Ground SG 5 12 GND Data Set Ready DSR 6 Note 3 Ready to Send RTS 7 nc Clear to Send CTS 8 7 CTS Ring Indicator RD 91 nc Notes: 1. JP6 + JP5 jumper option. 2. JP6 Jumper option. 3. DSR connected to DTR at J1. |
Numéro de pièce similaire - SI2401FS10-EVB |
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Description similaire - SI2401FS10-EVB |
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