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Digi NS9750 Manual

Jumpers and components
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NS9750 Jumpers and Components
90000529_C

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Summary of Contents for Digi NS9750

  • Page 1 NS9750 Jumpers and Components 90000529_C...
  • Page 3 NS9750 Jumpers and Components Part number/version: 90000529_C Release date: March 2006 www.digi.com...
  • Page 4 Digi provides this document “as is,” without warranty of any kind, either expressed or implied, including, but not limited to, the implied warranties of, fitness or merchantability for a particular purpose. Digi may make improvements and/or changes in this manual or in the product(s) and/or the program(s) described in this manual at any time.

  • Page 5: Table Of Contents

    Contents Overview .................. 2 NS9750 development board features .......... 2 GPIO-related configurations ............3 Default configurations ............3 IEEE 1284 parallel port configuration alternatives ......4 USB host ................4 USB device ................. 4 Serial port B in RS232, full modem control ........4 Serial port D in RS232, full modem control........
  • Page 7 About this guide This guide provides information about the jumpers, components, and configuration of the NS9750 development board. The NS9750, part of the Digi NET+ARM line of SoC (System-on-Chip) products, supports any type of high bandwidth application in Intelligent Networked Devices.
  • Page 8 Understand the NS9750 architecture. What’s in this guide The NS9750 Jumpers and Components describes the use and configuration of the NS9750 development board. Conventions used in this guide This table describes the typographic conventions that may be used in this guide:...
  • Page 9 U s i n g T h i s G u i d e Related documentation For information on the chip you are using, see the NS9750 Hardware Reference. For NS9750 schematics and BOM, review the documentation CD-ROM that came with your development kit.
  • Page 11 NS9750 Jumpers and Components he NS9750 Jumpers and Components provides a description of the NS9750 development board. This document also explains the board’s default states and provides information for configuring other states.

  • Page 12: Overview

    O v e r v i e w Overview The NS9750 contains 50 GPIO pins. Each of the 50 pins can be multiplexed to provide up to four different functions. The NS9750 development board implements each of the optional functions. See the NS9750 Hardware Reference for more information about the options for each pin.

  • Page 13: Gpio-Related Configurations

    N S 9 7 5 0 J u m p e r s a n d C o m p o n e n t s Three diagnostic LEDs (five supported) 20-pin JTAG header Reset pushbutton switch Full schematics and BOM available (see your hardware CD and the Digi Web site) Supported interfaces, in some cases, must be customer-enabled (using jumper, switch, or resistor changes) GPIO-related configurations Table 1 shows the default configuration for the NS9750 development board.

  • Page 14: Ieee 1284 Parallel Port Configuration Alternatives

    G P I O - r e l a t e d c o n f i g u r a t i o n s IEEE 1284 parallel port configuration alternatives Populate these resistors with 0 ohm jumpers: RN34, RN35, R538, R544. Unpopulate these resistors: RN42, R8, R9, R136, R140–R142, R144, R335–...

  • Page 15: Serial Port D In Rs232, Full Modem Control

    N S 9 7 5 0 J u m p e r s a n d C o m p o n e n t s Serial port D in RS232, full modem control Populate these resistors with 0 ohm jumpers: R154, R155, R164, R464, R474, R483, R502, R518.

  • Page 16: Rmii

    N o n G P I O - r e l a t e d c o n f i g u r a t i o n s RMII To use RMII on Ethernet jack labeled P14: Populate these resistors with 0 ohm resistors: R75, R77, R84, R91, R97, R118, R300, R302, R316, R317, R328, R331, R332, R603, and RN74.

  • Page 17: Default Configuration Switch Settings

    N S 9 7 5 0 J u m p e r s a n d C o m p o n e n t s Default configuration switch settings Table 2 shows the default configuration settings for the NS9750 development board and explains each setting.
  • Page 18 D e f a u l t c o n f i g u r a t i o n s w i t c h s e t t i n g s Switch Switch setting Description Switch 1 = ON Selects NS9750 as USB host Switch 2 = OFF Switch 3 = ON Switch 4 = OFF Switch 1 = OFF...

  • Page 19: Configuration Register Switch Settings

    Configuration register switch settings Table 3 provides switch settings and descriptions for several configuration registers. See the NS9750 Hardware Reference for more information about the configuration registers. For SW17 – SW20, switches 3 and 4 are RS485/422 options for their Note: respective ports.
  • Page 20 C o n f i g u r a t i o n r e g i s t e r s w i t c h s e t t i n g s Switch Switch setting Description SW13 Switch 1 = OFF GPIO[36] Switch 2 = OFF...
  • Page 21 N S 9 7 5 0 J u m p e r s a n d C o m p o n e n t s Switch Switch setting Description SW17 Switch 1 = ON Selects RS232 on port C rather than RS485/422. Switch 2 = OFF No effect.

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