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NEC APPLICATION NOTES |
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Dynamic Power Calculations
<Download App Note Now! (500KB PDF)> Dynamic power calculations for NEC microcontrollers. Shows the user how to calculate power consumption for several different NEC microcontrollers. an_uc2.pdf Last Revised: 10/23/01 |
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Flash Programming
<Download App Note Now! (825KB PDF)> Instructions on how to program NEC flash based microcontrollers. Tips and techniques included. an_uc11.pdf Last Revised: 4/23/03 |
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Software Tools
<Download App Note Now! (450KB PDF)> Tips and techniques on using NEC Software Tools. 
an_uc29.pdf Last Revised: 9/22/04 |
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Stack Overflow Detect
<Download App Note Now! (180KB PDF)> Tips and techniques on how to detect stack overflow problems in the simulator and emulator. Sample code for having the micro perform a self test to determine if the stack overflowed. an_uc33.pdf Last Revised: 6/6/03 |
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Multi Use Board Schematics
<Download App Note Now! (4000KB PDF)> Full Schematics for the MUB (Multi Use Board) which allows the user to quickly prototype his/her design using a well tested and debugged platform. Full software suite, including simulation models, is available. an_uc38.pdf Last Revised: 12/10/99 |
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Reverse Battery Protection
<Download App Note Now! (170KB PDF)> Information on how to protect NEC microcontrollers from a reverse battery condition. Several alternatives are presented and discussed. an_uc41.pdf Last Revised: 7/2/04 |
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Hardware Tools
<Download App Note Now! (300KB PDF)> Tips and techniques on using NEC Hardware Development Tools.
an_uc42.pdf Last Revised: 10/28/04 |
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Operating Speed
<Download App Note Now! (150KB PDF)> Show how to calculate the maximum operating speed of NEC microcontrollers. an_uc46.pdf Last Revised: 12/27/00 |
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ROM Code Checksums
<Download App Note Now! (325KB PDF)> Shows how to get the HEX file checksum to match what NEC provides for mask submissions. an_uc50.pdf Last Revised: 11/19/02 |
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I/O Structure
<Download App Note Now! (1.6MB PDF)> Explains the specifications for the I/O pins. Complete code examples for 2 different microcontrollers. Code operates simple I/O port pins to show how easily they can be controlled. Includes an example for using the Appilet code generator.
an_uc51.pdf Last Revised: 12/23/04 |
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ROM/RAM/STACK Sizes
<Download App Note Now! (270KB PDF)> How to check ROM, RAM, and STACK sizes. Also, tips on how to reduce ROM and RAM. an_uc54.pdf Last Revised: 4/25/03 |
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Bluetooth Reference Design
<Download App Note Now! (1.3MB PDF)> Complete Bluetooth hardware and software reference design application using an 8 bit microcontroller to create a complete Bluetooth design. An embedded LCD displays commands sent from a standard Bluetooth device. The Bluetooth device can turn a LED on, off, or blinking. All the software is included as a ZIP file inside the document. The complete source code, simulation files, and script files are included. an_bluetooth9.pdf Last Revised: 7/12/03 |
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Using LCD Controllers
<Download App Note Now! (3.4MB PDF)> Practical tips on how to use NEC microcontrollers with LCD on board. Includes description of the evaluation boards that are available. Code examples are included inside the PDF file! Code generator for the new uPD78F9835 device is included.
an_uc55.pdf Last Revised: 11/11/04 |
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Steps for mask ROM
<Download App Note Now! (90KB PDF)> Information on how to migrate to a NEC mask ROM device. Contains necessary steps and forms to fill out. Information on how to properly calculate the checksum that the NEC factory will use. an_uc56.pdf Last Revised: 11/15/03 |
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Development Sockets
<Download App Note Now! (240KB PDF)> Information about NEC development sockets and probes. Pictures show the each part along with a description of each component. The proper stackup is provided and presented pictorally. an_uc57.pdf Last Revised: 4/23/04 |
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Motor Control
<Download App Note Now! (480KB PDF)> Information on phase control of motors using NEC microcontrollers. Circuit block diagrams and sample code is provided. Reprint from the NEC Germany web site. an_uc_motor.pdf Last Revised: 7/2/04 |
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Battery Charging
<Download App Note Now! (340KB PDF)> Information on battery charging using NEC microcontrollers. Circuit block diagrams and sample code is provided. Reprint from the NEC Germany web site. an_uc_battery.pdf Last Revised: 7/2/04 |
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EMC Control through PCB Routing
<Download App Note Now! (1.1MB PDF)> Application note describes how to reduce EMC using proper PCB layout techniques for NEC microcontrollers. Circuit block diagrams and sample layouts are provided. Reprint from the NEC Germany web site. an_uc_emc.pdf Last Revised: 7/2/04 |
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CD Quality Audio
<Download App Note Now! (3MB PDF)> Explanation and test results showing how to get CD quality audio over Bluetooth™ audio solutions. Also discussed surround sound stereo and complete headset designs.
an_bluetooth11.pdf Last Revised: 11/16/04 |
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Bluetooth Reference Design
<Download App Note Now! (2.5MB PDF)> Complete Bluetooth hardware and software reference design application using an 8 bit microcontroller to create a complete Bluetooth design. An embedded LED displays commands sent from a standard Bluetooth device. The Bluetooth device can turn a LED on, off, or blinking. All the software is included as a ZIP file inside the document. The complete source code, simulation files, and script files are included. Utilizes the NEC M-Station and Zeevo Development Boards.
an_bluetooth12.pdf Last Revised: 12/3/04 |
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Digital Design Implementation
<Download App Note Now! (90KB PDF)> Contains comparative information for selecting between a microcontroller, PAL/FPGA, and an ASIC. Design and cost tradeoffs are presented.
an_martan1.pdf Last Revised: 12/23/04 |
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Digital Switching Outputs
<Download App Note Now! (60KB PDF)> Information on how to prevent problems with high speed digital inputs/outputs. Mostly tips for FPGA and ASIC designers, but also helpful for some microcontroller designs.
an_martan2.pdf Last Revised: 12/23/04 |
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Logic Families
<Download App Note Now! (300KB PDF)> Explains logic levels required for different logic families. Compares and contrasts each of the logic families. Useful information to know when interfacing different devices together.
an_martan3.pdf Last Revised: 12/23/04 |
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EMI/EMC Issues for Microcontrollers
<Download App Note Now! (70KB PDF)> Issues and concerns with NEC microcontrollers when trying to pass EMI/EMC compliance tests. Useful tips and PCB layout techniques. Use this information in conjunction with the NEC datasheets and user manuals.
an_uc58.pdf Last Revised: 9/8/04 |
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Bluetooth™ is a trademark of Bluetooth SIG, USA |
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