Manual Renesas REJ06B0732-0100

13 pages 0.07 mb
Download

Go to site of 13

Summary
  • Renesas REJ06B0732-0100 - page 1

    APPLICATION NOTE REJ06B0732-0100/Rev.1.00 March 2008 Page 1 of 13 SH7211 Group Data Transfer between On-chip RAM Ar eas with DMAC (Cycle-Stealing Mode) Introduction This applicat ion note desc ribes the operation of the DMAC, and is inte nded for refe rence t o help in the d esign of user software. Target Device SH7211 Contents 1. Introduction .... ...

  • Renesas REJ06B0732-0100 - page 2

    SH7211 Group Data Transfer between On-chi p RA M Areas with DMAC (Cycle-Stealing M ode) REJ06B0732-0100/Rev.1.00 March 2008 Page 2 of 13 1. Introduction 1.1 Specification • DMAC cha nnel 0 is used. • Auto-request mode is used as the interrupt source for activating DMA transfer. • Cycle-stealing mode is use d as the bus m ode. 1.2 Used Module ...

  • Renesas REJ06B0732-0100 - page 3

    SH7211 Group Data Transfer between On-chi p RA M Areas with DMAC (Cycle-Stealing M ode) REJ06B0732-0100/Rev.1.00 March 2008 Page 3 of 13 2. Description of Sample Application In this sample application, the direct memory access contro ller (DMAC) is set to a uto request mode to t ransfer 512- Kbtyte data stored in the on-chip R AM to anothe r addres ...

  • Renesas REJ06B0732-0100 - page 4

    SH7211 Group Data Transfer between On-chi p RA M Areas with DMAC (Cycle-Stealing M ode) REJ06B0732-0100/Rev.1.00 March 2008 Page 4 of 13 DREQ Bus mastership returned to CPU once Bus cycle Write Read Write Read CPU CPU CPU DMAC DMAC DMAC DMAC CPU CPU In the normal mode of cycle stealing, bus mastership is given to another bus master after each DMA t ...

  • Renesas REJ06B0732-0100 - page 5

    SH7211 Group Data Transfer between On-chi p RA M Areas with DMAC (Cycle-Stealing M ode) REJ06B0732-0100/Rev.1.00 March 2008 Page 5 of 13 DMATCR_n SAR_n CHCR_n DAR_n DMAOR DMARS0 to DMARS3 HEIn DACK0 to DACK3, TEND0, TEND1 DEIn RDMATCR_n RSAR_n RDAR_n On-chip memory On-chip peripheral module DMA transfer request signal DMA transfer acknowledge signa ...

  • Renesas REJ06B0732-0100 - page 6

    SH7211 Group Data Transfer between On-chi p RA M Areas with DMAC (Cycle-Stealing M ode) REJ06B0732-0100/Rev.1.00 March 2008 Page 6 of 13 2.2 Operational Description of Sample Program The settings of the DMAC for the sample program are listed in table 4. Also, the operation of the sample program is illustrated in figure 4. Table 4 Settings of DM AC ...

  • Renesas REJ06B0732-0100 - page 7

    SH7211 Group Data Transfer between On-chi p RA M Areas with DMAC (Cycle-Stealing M ode) REJ06B0732-0100/Rev.1.00 March 2008 Page 7 of 13 2.3 Procedure for Setting Modules This section describes the procedure for making initial settings when the DMAC is to be used to transfer data between locations within the on-chip RAM. Auto request mode is used f ...

  • Renesas REJ06B0732-0100 - page 8

    SH7211 Group Data Transfer between On-chi p RA M Areas with DMAC (Cycle-Stealing M ode) REJ06B0732-0100/Rev.1.00 March 2008 Page 8 of 13 DMAC_init END [3] [4] [5] [6] [1] [2] [1] Disable DMA transfer Set the DE (DMA enable) bit to 0 Disable DMA transfer [2] Set the DMA transfer source address (SAR_0) Specify the DMA transfer source address [3] Set ...

  • Renesas REJ06B0732-0100 - page 9

    SH7211 Group Data Transfer between On-chi p RA M Areas with DMAC (Cycle-Stealing M ode) REJ06B0732-0100/Rev.1.00 March 2008 Page 9 of 13 2.4 Register Settings for Sample Program 2.4.1 Clock Pulse Generator (CPG) The settings of the clock pulse generator for the sample program are described in table 5. Table 5 Settings of Clock Pulse Generator Regis ...

  • Renesas REJ06B0732-0100 - page 10

    SH7211 Group Data Transfer between On-chi p RA M Areas with DMAC (Cycle-Stealing M ode) REJ06B0732-0100/Rev.1.00 March 2008 Page 10 of 13 2.4.3 Direct Memory Access Controller (DMAC) The settings of DMAC registers for the sa mple program are described in table 7. Table 7 Settings of DM AC Registers Register Name Address Setting Value Description DM ...

  • Renesas REJ06B0732-0100 - page 11

    SH7211 Group Data Transfer between On-chi p RA M Areas with DMAC (Cycle-Stealing M ode) REJ06B0732-0100/Rev.1.00 March 2008 Page 11 of 13 3. Documents for Reference • Software Manual SH-2A, SH2 A-FPU Softwa re Manual The most up-t o-date versi on of this document i s available o n the Renesa s Technology Website. • Hardware Manual SH7211 Group ...

  • Renesas REJ06B0732-0100 - page 12

    SH7211 Group Data Transfer between On-chi p RA M Areas with DMAC (Cycle-Stealing M ode) REJ06B0732-0100/Rev.1.00 March 2008 Page 12 of 13 Website and Support Renesas Technolo gy Website http://www.renesas.com/ Inquiries http://www.renesas.com/inquiry csc@renesas.com Revision Record Description Rev. Date Page Summary 1.00 Mar.21.08 — First edition ...

  • Renesas REJ06B0732-0100 - page 13

    SH7211 Group Data Transfer between On-chi p RA M Areas with DMAC (Cycle-Stealing M ode) REJ06B0732-0100/Rev.1.00 March 2008 Page 13 of 13 1. This document is provided for reference purposes only so that Renesas customers may select the appropriate Renesas products for their use. Renesas neither makes warranties or representations with respect to th ...

Manufacturer Renesas Category Computer Hardware

Documents that we receive from a manufacturer of a Renesas REJ06B0732-0100 can be divided into several groups. They are, among others:
- Renesas technical drawings
- REJ06B0732-0100 manuals
- Renesas product data sheets
- information booklets
- or energy labels Renesas REJ06B0732-0100
All of them are important, but the most important information from the point of view of use of the device are in the user manual Renesas REJ06B0732-0100.

A group of documents referred to as user manuals is also divided into more specific types, such as: Installation manuals Renesas REJ06B0732-0100, service manual, brief instructions and user manuals Renesas REJ06B0732-0100. Depending on your needs, you should look for the document you need. In our website you can view the most popular manual of the product Renesas REJ06B0732-0100.

A complete manual for the device Renesas REJ06B0732-0100, how should it look like?
A manual, also referred to as a user manual, or simply "instructions" is a technical document designed to assist in the use Renesas REJ06B0732-0100 by users. Manuals are usually written by a technical writer, but in a language understandable to all users of Renesas REJ06B0732-0100.

A complete Renesas manual, should contain several basic components. Some of them are less important, such as: cover / title page or copyright page. However, the remaining part should provide us with information that is important from the point of view of the user.

1. Preface and tips on how to use the manual Renesas REJ06B0732-0100 - At the beginning of each manual we should find clues about how to use the guidelines. It should include information about the location of the Contents of the Renesas REJ06B0732-0100, FAQ or common problems, i.e. places that are most often searched by users in each manual
2. Contents - index of all tips concerning the Renesas REJ06B0732-0100, that we can find in the current document
3. Tips how to use the basic functions of the device Renesas REJ06B0732-0100 - which should help us in our first steps of using Renesas REJ06B0732-0100
4. Troubleshooting - systematic sequence of activities that will help us diagnose and subsequently solve the most important problems with Renesas REJ06B0732-0100
5. FAQ - Frequently Asked Questions
6. Contact detailsInformation about where to look for contact to the manufacturer/service of Renesas REJ06B0732-0100 in a specific country, if it was not possible to solve the problem on our own.

Do you have a question concerning Renesas REJ06B0732-0100?

Use the form below

If you did not solve your problem by using a manual Renesas REJ06B0732-0100, ask a question using the form below. If a user had a similar problem with Renesas REJ06B0732-0100 it is likely that he will want to share the way to solve it.

Copy the text from the picture

Comments (0)