STV9937

2/49

Chapter 1

General Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5

1.1

Pin Description

................................................................................................................... 7

Chapter 2

Register Addressing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9

2.1

I²C Protocol .......................................................................................................................... 9

2.1.1

Data to Write .........................................................................................................................................................9

2.1.2

Transmission Formats ...........................................................................................................................................9

2.1.3

Format, Window and Row Address (FWR) .........................................................................................................10

2.1.4

Format, Attribute and Column Address (FAC) ....................................................................................................10

2.1.5

Control Data, Color Codes or Character Codes .................................................................................................11

2.1.6

Configuration of Transmission Formats .............................................................................................................11

2.2

Format Changing ............................................................................................................... 11

To change from Format A to Format B ...............................................................................................................11

To change from Format A to Format C ...............................................................................................................11

To change from Format B to Format A ...............................................................................................................11

To change from Format B to Format C ...............................................................................................................12

2.3

Read Mode ......................................................................................................................... 12

2.4

Addressing Map ................................................................................................................. 12

Chapter 3

Window Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13

3.1

Enable Display ................................................................................................................... 14

3.2

Origin Positions for the 4 Windows .................................................................................... 14

3.2.1

General Horizontal Delay (HD) ...........................................................................................................................14

3.2.2

General Vertical Delay (VD) ................................................................................................................................14

3.3

Window Positions in the Frame .......................................................................................... 15

3.3.1

Window Horizontal Delay ....................................................................................................................................15

3.3.2

Window Vertical Delay ........................................................................................................................................15

3.4

Window Size: Number of Character Rows and Character Columns .................................. 16

3.4.1

Window Horizontal Size ......................................................................................................................................16

3.4.2

Window Vertical Size ..........................................................................................................................................16

3.5

Window Background Color ................................................................................................. 17

3.6

Window Bordering and Shadowing Effects ........................................................................ 17

3.6.1

Enable Bordering or Shadowing Effects .............................................................................................................17

3.6.2

Bordering or Shadowing Selection .....................................................................................................................17

3.6.3

Border or Shadow Color .....................................................................................................................................18

3.6.4

Bordering or Shadowing Size .............................................................................................................................18

3.7

Window Display Priority Management ............................................................................... 19

Chapter 4

Character Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20

4.1

General Description ........................................................................................................... 20

4.2

Horizontal Resolution ........................................................................................................ 20

4.3

Character Height ............................................................................................................... 20