ISOLATOR UNIT SPECIFICATION Isolator Unit DANGER INTRODUCTION DEVICE SUPPORT HARDWARE SETUP

Transcription

1 ISOLATOR UNIT SPECIFICATION Isolator Unit INTRODUCTION The Isolator Unit (AC00) for MPLAB REAL ICE In-Circuit Emulator, also known as an opto-isolator, is a useful accessory to the MPLAB REAL ICE in-circuit emulator system. The isolator enables connectivity for AC line and high voltage applications not referenced to ground. Typically, these are consumer applications such as light dimmers, vacuum cleaners, washing machines, and other types of motor-based systems where the MCU uses a non-isolated power supply. DANGER Potential Electrical Hazard. Do not remove the board enclosure. Depending on your application, you could be exposing yourself to dangerous voltage levels. DEVICE SUPPORT HARDWARE SETUP Because of the complexity and high dynamic voltage range, the isolator currently provides MCU technology support for only those devices listed below: PICFXXX devices (-bit) Only supported in Low-Voltage Programming (LVP) mode PICFXXJ devices (-bit) dspic and PIC devices (-bit) PIC devices (-bit) To use this unit:. Obtain a Performance Pak (AC00). This unit can be used only with the Performance Pak.. Use this unit instead of the high-speed receiver board. See the Performance Pak for the MPLAB REAL ICE In-Circuit Emulator User s Guide (DS000) for pinouts. The isolator connects on one end to the Performance Pak high-speed cables. The other end of the isolator connects to the target using an -pin, single-line In-Circuit Serial Programming (ICSP ) connector. See Figure -. 0 Microchip Technology Inc. DS0009A-page

2 Isolator Unit Specification FIGURE -: HIGH-SPEED EMULATOR SYSTEM USING ISOLATOR UNIT Emulator Unit ACTIVE STATUS FUNCTION RESET J J High-Speed Driver Board Performance Pak Isolator J Target Device or PIM Target Board pin Microchip J Isolator Unit - Replaces High-Speed Receiver Board SOFTWARE SETUP OPERATIONAL ISSUES ISOLATOR UNIT DESIGN For PICFXXX devices, you will need to enable low-voltage programming LVP mode:. Select your project in the Projects window and right click to view the context menu. Select Properties.. In the Project Properties window, select the REAL ICE category, and then select the Program Options option category.. Check Enable Low Voltage Programming. For more information on other program options, see the MPLAB REAL ICE In-Circuit Emulator User s Guide (DS0000) Emulator Function Summary chapter, Program Options section.. Click Apply or OK. When using the isolator, trace is not supported. The isolator is a bridge where electrically hot signals are passed through transparently to the emulator. The ICSP interface signals are magnetically or optically isolated, providing up to. kv equivalent isolation protection. The isolator is housed in its own enclosure providing an additional measure of safety. This unit contains the same circuitry as the high-speed receiver board. See the Performance Pak for the MPLAB REAL ICE In-Circuit Emulator User s Guide (DS000), as well as the isolation circuitry (see the following schematics). DS0009A-page 0 Microchip Technology Inc.

3 FIGURE -: ISOLATOR UNIT SCHEMATIC ICSPDAT +.V U VDD VDD LVD+ LVD- R 00 U SNMLVD0 DATA ISO GND GND GND GND 0 9 ADUM0_SO_00 HOT_ICSPDAT HOT_DEN AHCG0_SOT-_L DATA_EN U9 NDATA_EN FIGURE -: ISOLATOR UNIT SCHEMATIC ICSPCLK +.V U VDD VDD LVC+ LVC- R 00 U SNMLVD0 CLK ISO GND GND GND GND 0 9 ADUM0_SO_00 HOT_ICSPCLK HOT_CEN AHCG0_SOT-_L CLK_EN U NCLK_EN 0 Microchip Technology Inc. DS0009A-page

4 Isolator Unit Specification FIGURE -: ISOLATOR UNIT SCHEMATIC DAT & CLK DATAEN+ DATAEN- R 00 U SNMLVD0 DATA_EN CLKEN+ CLKEN- R 00 U SNMLVD0 CLK_EN USPID+ USPID- USPIC+ USPIC- R 00 R 00 U R SNMLVD0 U +.V +.V R SNMLVD0 USDO 0K USCK 0K +.V U VDD VDD HOT_DEN HOT_CEN 0 +.V GNDGND 9 R9 GNDGND 0K ADUM0_SO_00 ISO HOT_USDO HOT_USCK R 0K DS0009A-page 0 Microchip Technology Inc.

5 FIGURE -: ISOLATOR UNIT SCHEMATIC POWER +.V R L D +V C 0 µf.v C 0. µf.0 0 µh CRS0 C 0 V +.V R 00K +.V R0 00K VIN PG MC SHDN U EXT GND CS FB MCP_MSOP,,, Q R.K % IRLMS00_MICRO R.K % R 0. R L D HOT_+V C 0uF.V C0 0. µf.0 0 µh CRS0 C 0 V R 00K R 00K VIN PG MC SHDN U EXT GND CS FB MCP_MSOP,,, Q IRLMS00_MICRO R0.K % R9.K % R 0. +V +.V VDD_TAR C-C 0. C-C9, C-C, C 0. C0-C, C 0. C, C Microchip Technology Inc. DS0009A-page

6 Isolator Unit Specification FIGURE -: ISOLATOR UNIT SCHEMATIC VDD, VPP, MCLR VDD DETECT VDD_TAR R0 0 +V +V U NC NC LOC0_PFLATPK R 90.9K, % R 00 R 90.9K, % U IN+ IN- MCP0_SOT-_L HOT_+V MCP0_SOT-_L U IN+ IN- R C 0K 00 pf VPP/NMCLR +.V J +V VPP_TAR VDD VI VDD GND U0 ENC DEC VDD GND VO GND HOT_VPP ADUM00 THIRD PARTY ISOLATOR SUPPORT If the Isolator Unit for the MPLAB REAL ICE In-Circuit Emulator does not fit your needs, there are several third parties which provide isolators that work with Microchip devices, such as Keterex. See the Microchip web site ( for more details. DS0009A-page 0 Microchip Technology Inc.

7 Object of Declaration: Isolator Unit for MPLAB REAL ICE In-Circuit Emulator 0 Microchip Technology Inc. DS0009A-page

8 NOTES: DS0009A-page 0 Microchip Technology Inc.

9 Note the following details of the code protection feature on Microchip devices: Microchip products meet the specification contained in their particular Microchip Data Sheet. Microchip believes that its family of products is one of the most secure families of its kind on the market today, when used in the intended manner and under normal conditions. There are dishonest and possibly illegal methods used to breach the code protection feature. All of these methods, to our knowledge, require using the Microchip products in a manner outside the operating specifications contained in Microchip s Data Sheets. Most likely, the person doing so is engaged in theft of intellectual property. Microchip is willing to work with the customer who is concerned about the integrity of their code. Neither Microchip nor any other semiconductor manufacturer can guarantee the security of their code. Code protection does not mean that we are guaranteeing the product as unbreakable. Code protection is constantly evolving. We at Microchip are committed to continuously improving the code protection features of our products. Attempts to break Microchip s code protection feature may be a violation of the Digital Millennium Copyright Act. If such acts allow unauthorized access to your software or other copyrighted work, you may have a right to sue for relief under that Act. Information contained in this publication regarding device applications and the like is provided only for your convenience and may be superseded by updates. It is your responsibility to ensure that your application meets with your specifications. MICROCHIP MAKES NO REPRESENTATIONS OR WARRANTIES OF ANY KIND WHETHER EXPRESS OR IMPLIED, WRITTEN OR ORAL, STATUTORY OR OTHERWISE, RELATED TO THE INFORMATION, INCLUDING BUT NOT LIMITED TO ITS CONDITION, QUALITY, PERFORMANCE, MERCHANTABILITY OR FITNESS FOR PURPOSE. Microchip disclaims all liability arising from this information and its use. Use of Microchip devices in life support and/or safety applications is entirely at the buyer s risk, and the buyer agrees to defend, indemnify and hold harmless Microchip from any and all damages, claims, suits, or expenses resulting from such use. No licenses are conveyed, implicitly or otherwise, under any Microchip intellectual property rights unless otherwise stated. Microchip received ISO/TS-99:009 certification for its worldwide headquarters, design and wafer fabrication facilities in Chandler and Tempe, Arizona; Gresham, Oregon and design centers in California and India. The Company s quality system processes and procedures are for its PIC MCUs and dspic DSCs, KEELOQ code hopping devices, Serial EEPROMs, microperipherals, nonvolatile memory and analog products. In addition, Microchip s quality system for the design and manufacture of development systems is ISO 900:000 certified. QUALITY MANAGEMENT SYSTEM CERTIFIED BY DNV == ISO/TS 99 == Trademarks The Microchip name and logo, the Microchip logo, AnyRate, dspic, FlashFlex, flexpwr, Heldo, JukeBlox, KeeLoq, KeeLoq logo, Kleer, LANCheck, LINK MD, MediaLB, MOST, MOST logo, MPLAB, OptoLyzer, PIC, PICSTART, PIC logo, RightTouch, SpyNIC, SST, SST Logo, SuperFlash and UNI/O are registered trademarks of Microchip Technology Incorporated in the U.S.A. and other countries. ClockWorks, The Embedded Control Solutions Company, ETHERSYNCH, Hyper Speed Control, HyperLight Load, IntelliMOS, mtouch, Precision Edge, and QUIET-WIRE are registered trademarks of Microchip Technology Incorporated in the U.S.A. Analog-for-the-Digital Age, Any Capacitor, AnyIn, AnyOut, BodyCom, chipkit, chipkit logo, CodeGuard, dspicdem, dspicdem.net, Dynamic Average Matching, DAM, ECAN, EtherGREEN, In-Circuit Serial Programming, ICSP, Inter-Chip Connectivity, JitterBlocker, KleerNet, KleerNet logo, MiWi, motorbench, MPASM, MPF, MPLAB Certified logo, MPLIB, MPLINK, MultiTRAK, NetDetach, Omniscient Code Generation, PICDEM, PICDEM.net, PICkit, PICtail, PureSilicon, RightTouch logo, REAL ICE, Ripple Blocker, Serial Quad I/O, SQI, SuperSwitcher, SuperSwitcher II, Total Endurance, TSHARC, USBCheck, VariSense, ViewSpan, WiperLock, Wireless DNA, and ZENA are trademarks of Microchip Technology Incorporated in the U.S.A. and other countries. SQTP is a service mark of Microchip Technology Incorporated in the U.S.A. Silicon Storage Technology is a registered trademark of Microchip Technology Inc. in other countries. GestIC is a registered trademarks of Microchip Technology Germany II GmbH & Co. KG, a subsidiary of Microchip Technology Inc., in other countries. All other trademarks mentioned herein are property of their respective companies. 0, Microchip Technology Incorporated, Printed in the U.S.A., All Rights Reserved. ISBN: Microchip Technology Inc. DS0009A-page 9

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