
STV9937
2/49
Chapter 1
General Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
1.1
Pin Description ...................................................................................................................7
Chapter 2
Register Addressing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9
2.1
2.1.1
2.1.2
2.1.3
2.1.4
2.1.5
2.1.6
I2C Protocol ..........................................................................................................................9
Data to Write .........................................................................................................................................................9
Transmission Formats ...........................................................................................................................................9
Format, Window and Row Address (FWR) .........................................................................................................10
Format, Attribute and Column Address (FAC) ....................................................................................................10
Control Data, Color Codes or Character Codes .................................................................................................11
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
3.2.1
3.2.2
Origin Positions for the 4 Windows ....................................................................................14
General Horizontal Delay (HD) ...........................................................................................................................14
General Vertical Delay (VD) ................................................................................................................................14
3.3
3.3.1
3.3.2
Window Positions in the Frame ..........................................................................................15
Window Horizontal Delay ....................................................................................................................................15
Window Vertical Delay ........................................................................................................................................15
3.4
3.4.1
3.4.2
Window Size: Number of Character Rows and Character Columns ..................................16
Window Horizontal Size ......................................................................................................................................16
Window Vertical Size ..........................................................................................................................................16
3.5
Window Background Color .................................................................................................17
3.6
3.6.1
3.6.2
3.6.3
3.6.4
Window Bordering and Shadowing Effects ........................................................................17
Enable Bordering or Shadowing Effects .............................................................................................................17
Bordering or Shadowing Selection .....................................................................................................................17
Border or Shadow Color .....................................................................................................................................18
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