7220 datasheet(9/303 Pages) RENESAS

9 / 303 page

7220 Group User’s Manual

iii

Table of contents

CHAPTER 4. M37220M3-XXXSP/FP

4.1 Performance overview .......................................................................................................... 4-2

4.2 Pin configuration ................................................................................................................... 4-4

4.3 Pin description ...................................................................................................................... 4-6

4.4 Functional block diagram ................................................................................................... 4-8

4.5 Functional description ......................................................................................................... 4-9

4.5.1 Access area .................................................................................................................. 4-10

4.5.2 Memory assignment ..................................................................................................... 4-11

4.5.3 Input/Output pins ......................................................................................................... 4-14

4.5.4 Interrupts ....................................................................................................................... 4-15

4.5.5 D-A converter ............................................................................................................... 4-17

4.5.6 CRT Display function .................................................................................................. 4-19

4.5.7 Internal state immediately after reset ....................................................................... 4-26

4.6 Electrical characteristics ................................................................................................... 4-28

4.7 Standard characteristics .................................................................................................... 4-32

CHAPTER 5. APPLICATION

5.1 Example of multi-line display............................................................................................. 5-2

5.1.1 Specifications ................................................................................................................. 5-2

5.1.2 Connection example ...................................................................................................... 5-2

5.1.3 General flowchart ........................................................................................................... 5-3

5.1.4 Set of display character data ....................................................................................... 5-6

5.1.5 Line counter .................................................................................................................... 5-7

5.1.6 Processing time ............................................................................................................. 5-8

5.1.7 Set of multiple interrupts .............................................................................................. 5-9

5.2 Notes on programming for OSD (M37220M3-XXXSP/FP) ........................................... 5-13

5.2.1 Setting of color registers ............................................................................................ 5-13

5.2.2 Setting of border selection register ........................................................................... 5-14

5.2.3 Number of display characters .................................................................................... 5-14

5.3 Usage example of ROM correction function (M37221M8/MA-XXXSP) ..................... 5-15

5.3.1 Connection example .................................................................................................... 5-15

5.3.2 Correction example ...................................................................................................... 5-15

5.3.3 E2PROM map ............................................................................................................... 5-17

5.3.4 General flowchart ......................................................................................................... 5-19

5.3.5 Notes on use ................................................................................................................ 5-20

5.4 Example of I2C-BUS interface control (M37221Mx-XXXSP/FP) .................................. 5-21

5.4.1 Specifications ............................................................................................................... 5-21

5.4.2 Connection example .................................................................................................... 5-21

5.4.3 E2PROM functions ....................................................................................................... 5-22

5.4.4 General flowchart ......................................................................................................... 5-23

5.5 Example of I2C-BUS control by software (M37220M3-XXXSP/FP) ............................ 5-26

5.5.1 Specifications ............................................................................................................... 5-26

5.5.2 Connection example .................................................................................................... 5-26

5.5.3 Single-chip color TV signal processor function ....................................................... 5-27

5.5.4 General flowchart ......................................................................................................... 5-28

5.5.5 Data setting according to key processing ................................................................ 5-34

5.5.6 Flowchart of data setting according to key processing .......................................... 5-36

5.5.7 Register map ................................................................................................................ 5-39

5.6 Application circuit example .............................................................................................. 5-45

5.6.1 Application circuit example 1 ..................................................................................... 5-45

5.6.2 Application circuit example 2 ..................................................................................... 5-46

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