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Summary of Contents for Texas Instruments MSC1200EVM
- Page 1 MSC1200EVM Precision ADC with 8051 Microcontroller and Flash Memory Evaluation Module User’s Guide May 2004 Data Acquisition Products SBAU098 This datasheet has been downloaded from http://www.digchip.com at this page...
- Page 2 TI product or service and is an unfair and deceptive business practice. TI is not responsible or liable for any such statements. Following are URLs where you can obtain information on other Texas Instruments products and application solutions:...
- Page 3 EVM IMPORTANT NOTICE Texas Instruments (TI) provides the enclosed product(s) under the following conditions: This evaluation kit being sold by TI is intended for use for ENGINEERING DEVELOPMENT OR EVALUATION PURPOSES ONLY and is not considered by TI to be fit for commercial use. As such, the goods being provided may not be complete in terms of required design-, marketing-, and/or manufacturing-related protective considerations, including product safety measures typically found in the end product incorporating the goods.
- Page 4 EVM schematic located in the EVM User’s Guide. When placing measurement probes near these devices during operation, please be aware that these devices may be very warm to the touch. Mailing Address: Texas Instruments Post Office Box 655303 Dallas, Texas 75265 Copyright 2004, Texas Instruments Incorporated...
- Page 5 Preface Read This First About This Manual This manual describes the function and operation of the MSC1200EVM evaluation module. Throughout this document, the abbreviation EVM and the term evaluation module are synonymous with the MSC1200EVM. This manu- al will help you quickly set up the EVM and its accompanying software, so that you can rapidly test and evaluate the MSC1200.
- Page 6 Related Documentation From Texas Instruments The following documents provide information regarding Texas Instruments integrated circuits used in the assembly of the MSC1200EVM. These docu- ments are available from the TI web site. The last character of the literature number corresponds to the document revision, which is current at the time of the writing of this User’s Guide.
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Page 7: Table Of Contents
Contents Contents Introduction ..............MSC1200 Characteristics . - Page 8 Contents Circuit Description ............3-11 3.4.1 MSC1200...
- Page 9 Figures 1−1. MSC1200EVM Overview ............
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Page 10: Introduction
Chapter 1 Introduction This chapter provides an overview of the MSC1200EVM evaluation module and software. Topic Page MSC1200 Characteristics ........ -
Page 11: Msc1200 Characteristics
MSC1200 Characteristics 1.1 MSC1200 Characteristics The MSC1200 is a precision 24-bit delta-sigma (∆Σ) analog-to-digital convert- er with an 8051 microcontroller and up to 8K of flash memory. It has eight fully differential or single-ended analog input channels. The delta-sigma architec- ture employed in the MSC1200 enables the device to achieve 22 bits of effec- tive resolution (0.45ppm RMS noise) at a data rate of 10Hz. -
Page 12: Evm System Overview
MSC1200 Characteristics 1.2 EVM System Overview A block diagram of the MSC1200 evaluation module is shown in Figure 1−1. Figure 1−1. MSC1200EVM Overview 16−Bit Analog Input Channels/IDAC 16−Bit Crystal 32k (x8) MSC1200Y3 Yellow RS−232 Serial 0 Driver/Receiver COMM Program Load... -
Page 13: Analog Inputs/Outputs
(5.5V to 15V) must be supplied to J2 (and pins 2-3 of JMP1) for proper operation. A 9V wall mount power supply is included with the MSC1200EVM to provide this power. When using USB communications, power is provided from the USB connector (J1) and pins 1-2 are connected on JMP1. -
Page 14: Getting Started
Chapter 2 Getting Started This chapter will guide you through unpacking the EVM and setting it up so you can begin using it immediately. Topic Page Unpacking the EVM ......... . . Default Configuration . - Page 15 Unpacking the EVM 2.1 Unpacking the EVM After unpacking the MSC1200EVM kit, verify that you have received all of the items listed here: MSC1200EVM board 9V wall mount power supply 9-pin D-sub male-female 2m serial cable 2m A-B USB cable...
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Page 16: Quick Start
MSC1200EVM. (You do not have to connect the serial cable first; it is also acceptable to apply power to the board first.) When the board is properly pow- ered on, the two green power good indicator lamps near the power connectors will glow brightly. - Page 17 C compilers. The Keil and Raisonance tools include a complete IDE with debug support. The TI Downloader is used to load the compiled HEX file into the MSC1200EVM. Install any of the compilers that you wish to use. Also, choose the TI Downloader.
- Page 18 Refer to the Keil documentation and Help menus for more information about how to interact with the Keil software environment. When a program is compiled, it can be immediately downloaded into the MSC1200EVM by using the TI download utility program.
- Page 19 Quick Start Figure 2−3. Options for Target Output Display Screen Check the box to Create HEX File and Run User Program #1. Then enter the download command with its parameters in the window. The download.exe file will need to be in the current directory or the Windows path. All operands should immediately follow the switch character with no spaces except between options;...
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Page 20: Operation
Chapter 3 Operation This chapter describes each function of the MSC1200EVM, as well as how to use the accompanying software to program and use the MSC1200. Topic Page Jumpers ........... . . -
Page 21: Jumpers
Jumpers 3.1 Jumpers Table 3−2 shows a detailed summary of each jumper on the EVM. Table 3−1. Jumper Function Reference Setting/Pin Reference Function Default Subsection Designator (Information) JMP1 1 to 2 5V is supplied by USB 1−2 2 to 3 5V is supplied by U1 from J2 JMP2 1 to 2... -
Page 22: Jmp1: 5V Power Source Select
3.1.1 JMP1: 5V Power Source Select The MSC1200EVM can use either the USB or the voltage regulator U1 for the source of +5 volts. When the power is connected from the external 9V supply (wall mount) to J2, communications for the board are routed to the RS-232 signals associated with U4 (MAX3243). -
Page 23: Jmp8: Yellow Led Enable
Switch Configuration 3.1.8 JMP8: Yellow LED Enable When this jumper is inserted, the Yellow LED D6 is connected to port pin 3.5. The other side of D6 is connected to a 220Ω resistor which connects to the voltage. This 220Ω resistor provides the current limiting when the P3.5 is output as a low voltage. -
Page 24: I/O Connectors And Signals
Switch Configuration 3.3 I/O Connectors and Signals This section describes the various connectors on the MSC1200EVM. 3.3.1 J1: USB Type B Connector This connector is available for use with the second UART in the MSC1200. Only the TD and RD lines are used. The DTR pin is connected to the DSR pin and the RTS pin is connected to the CTS pin. -
Page 25: J2: Serial Rs-232 Connector
The host PC communicates with the MSC1200EVM through this connector, which is a 9-pin female D-shell type, pinned out in the usual manner. Certain of the flow control lines are used for special purposes by the MSC1200EVM board; these are described in Table 3−3. -
Page 26: J2, Jmp1, Jmp2, Jmp5: Power Connectors
Be very careful when connecting external power supplies to JMP5, JMP2 and JMP1. These connectors are not protected against reversed polarity. If they are connected backwards (that is, with reversed polarity), it is likely that the MSC1200EVM will be permanently damaged. Operation... - Page 27 Switch Configuration Table 3−4 through Table 3−7 summarize the power options for the MSC1200EVM. Table 3−4. J2: Unregulated Power Input Connector Terminal Name Function Positive power supply input Sleeve Power ground Table 3−5. JMP1: 5V Power Source Select Terminal Name...
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Page 28: Tp16: Reference Output/Input
3.3.4 J4: Analog Inputs, IDAC Output Terminal block J4 is the main analog input to the MSC1200EVM. One termi- nals is provided for each of the 9 differential inputs on the MSC1200. Each terminal is connected to the MSC1200 through a 1K resistor. - Page 29 Switch Configuration 3.3.6 TP1−6: Test Points The test points (summarized in Table 3−9) can be used to monitor certain sig- nals on the board. Consult the MSC1200 datasheet for information on the signals connected directly to the MSC1200. Table 3−9. TP1−6: Test Points Test Point MSC1200 MSC1200...
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Page 30: Circuit Description
The Keil or Raisonance integrated software environments, combined with the TI Downloader program, provide a convenient system of program develop- ment, download and execution. Full source code for the MSC1200EVM test firmware is included on the CD− ROM. 3.4.3 Power Supply The board receives power through external power connectors J2, USB, or to the individual pins on JMP1, JMP2 or JMP5. -
Page 31: Schematic And Layout
Chapter 4 Schematic and Layout This chapter contains the schematic drawings, PCB layouts and bill of materi- als for the MSC1200EVM board. Note: Board layouts are not to scale. These are intended to show how the board is laid out; they are not intended to be used for manufacturing MSC12000EVM PCBs. -
Page 32: Msc1200 Schematics
MSC1200 Schematics 4.1 MSC1200 Schematics Figure 4−1. Processor and Analog Inputs... - Page 33 MSC1200 Schematics Figure 4−2. Power and Communications Selection Schematic and Layout...
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Page 34: Component Locations
Component Locations 4.2 Component Locations Figure 4−3. MSC1200EVM Layout... -
Page 35: Bill Of Materials
Bill of Materials MSC1200EVM... - Page 36 Bill of Materials MSC1200EVM...
- Page 37 Bill of Materials MSC1200EVM...
- Page 38 Bill of Materials MSC1200EVM...
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Page 39: Certificate Of Conformity
Appendix Certificate of Conformity Topic Page Wall Mount Power Supply 5−2 Certificate of Conformity... -
Page 40: Wall Mount Power Supply
Wall Mount Power Supply Wall Mount Power Supply... - Page 41 Certificate of Conformity...
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