Renesas SH7085 User Manual download pdf

APPLICATION NOTE

REJ05B0743-0100 September 2005 Page 1 of 22

SH7080 Group

C2 Single-Master Transmission (Writing to I

C-Bus EEPROM)

Introduction

This application note describes the transmitting operation by the I

C bus interface 2 module (I

C2) in single-master

mode. Please use this application note as a guide in designing user programs.

Although the programs given in this application note have been verified for correct operation, we strongly recommend

that the user confirm correct operation before applying the programs in the actual application.

Target Device

SH7085

Contents

1. Specifications.................................................................................................................................... 2

2. Conditions for Application ................................................................................................................. 3

3. Summary of MCU Functions Used ...................................................................................................4

4. Operation .......................................................................................................................................... 6

5. Description of Software................................................................................................................... 10

6. Flowcharts....................................................................................................................................... 15

7. Website ........................................................................................................................................... 20

1 2 3 4 5 6 ... 21 22

Summary of Contents

Page 1 - SH7080 Group

APPLICATION NOTE REJ05B0743-0100 September 2005 Page 1 of 22 SH7080 Group I2C2 Single-Master Transmission (Writing to I2C-Bus EEPROM) Introduction

Page 2 - 1. Specifications

SH7080 Group I2C2 Single-Master Transmission (Writing to I2C-Bus EEPROM) REJ05B0743-0100 September 2005 Page 10 of 22 5. Description of Software 5.

Page 3

SH7080 Group I2C2 Single-Master Transmission (Writing to I2C-Bus EEPROM) REJ05B0743-0100 September 2005 Page 11 of 22 5.3 Register Settings The regi

Page 4 - C-Bus EEPROM)

SH7080 Group I2C2 Single-Master Transmission (Writing to I2C-Bus EEPROM) REJ05B0743-0100 September 2005 Page 12 of 22 5.3.3 Settings for I2C Bus In

Page 5

SH7080 Group I2C2 Single-Master Transmission (Writing to I2C-Bus EEPROM) REJ05B0743-0100 September 2005 Page 13 of 22 • I2C Bus Mode Register (ICMR

Page 6 - 4. Operation

SH7080 Group I2C2 Single-Master Transmission (Writing to I2C-Bus EEPROM) REJ05B0743-0100 September 2005 Page 14 of 22 • I2C Bus Transmit Data Regis

Page 7

SH7080 Group I2C2 Single-Master Transmission (Writing to I2C-Bus EEPROM) REJ05B0743-0100 September 2005 Page 15 of 22 6. Flowcharts 6.1 Main Functio

Page 8

SH7080 Group I2C2 Single-Master Transmission (Writing to I2C-Bus EEPROM) REJ05B0743-0100 September 2005 Page 16 of 22 6.2 I2C2 Initialization Functi

Page 9

SH7080 Group I2C2 Single-Master Transmission (Writing to I2C-Bus EEPROM) REJ05B0743-0100 September 2005 Page 17 of 22 6.3 Data Write Function write

Page 10 - 5.2 Variables

SH7080 Group I2C2 Single-Master Transmission (Writing to I2C-Bus EEPROM) REJ05B0743-0100 September 2005 Page 18 of 22 Issue a stop conditionGenerate

Page 11 - 5.3 Register Settings

SH7080 Group I2C2 Single-Master Transmission (Writing to I2C-Bus EEPROM) REJ05B0743-0100 September 2005 Page 19 of 22 6.3.1 EEPROM Address Transmis

Page 12 - C Bus Interface 2 (I

SH7080 Group I2C2 Single-Master Transmission (Writing to I2C-Bus EEPROM) REJ05B0743-0100 September 2005 Page 2 of 22 1. Specifications • The SH7085

Page 13

SH7080 Group I2C2 Single-Master Transmission (Writing to I2C-Bus EEPROM) REJ05B0743-0100 September 2005 Page 20 of 22 7. Website • Website of Renes

Page 14

SH7080 Group I2C2 Single-Master Transmission (Writing to I2C-Bus EEPROM) REJ05B0743-0100 September 2005 Page 21 of 22 Revision Record Description R

Page 15 - 6.1 Main Function

SH7080 Group I2C2 Single-Master Transmission (Writing to I2C-Bus EEPROM) REJ05B0743-0100 September 2005 Page 22 of 22 1. These materials are intende

Page 16 - C2 Initialization Function

SH7080 Group I2C2 Single-Master Transmission (Writing to I2C-Bus EEPROM) REJ05B0743-0100 September 2005 Page 3 of 22 Table 1 I2C2 Settings of SH708

Page 17 - 6.3 Data Write Function

SH7080 Group I2C2 Single-Master Transmission (Writing to I2C-Bus EEPROM) REJ05B0743-0100 September 2005 Page 4 of 22 3. Summary of MCU Functions Us

Page 18

SH7080 Group I2C2 Single-Master Transmission (Writing to I2C-Bus EEPROM) REJ05B0743-0100 September 2005 Page 5 of 22 • The I2C bus control register

Page 19

SH7080 Group I2C2 Single-Master Transmission (Writing to I2C-Bus EEPROM) REJ05B0743-0100 September 2005 Page 6 of 22 4. Operation In this sample tas

Page 20 - 7. Website

SH7080 Group I2C2 Single-Master Transmission (Writing to I2C-Bus EEPROM) REJ05B0743-0100 September 2005 Page 7 of 22 Figure 4 shows the operation wh

Page 21 - Revision Record

SH7080 Group I2C2 Single-Master Transmission (Writing to I2C-Bus EEPROM) REJ05B0743-0100 September 2005 Page 8 of 22 Table 3 Software and Hardware

Page 22

SH7080 Group I2C2 Single-Master Transmission (Writing to I2C-Bus EEPROM) REJ05B0743-0100 September 2005 Page 9 of 22 Stop conditionSCLSDATENDTDREICD

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Renesas SH7085 User Manual

Browse online or download User Manual for Unknown Renesas SH7085. I2C2 Single-Master Transmission (Writing to I2C

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