PCA84C441 PHILIPS [NXP Semiconductors], PCA84C441 Datasheet - Page 26

• Manufacturer Part Number: PCA84C441
• Description: 8-bit microcontrollers with OSD and VST
• Manufacturer: PHILIPS [NXP Semiconductors]

Philips Semiconductors
12.6.4
Table 21 Derivative register OSDCB (address 43H)
Table 22 Description of OSDCB bits
1996 Nov 29
OSDCB
BIT SYMBOL
REGISTER
7
6
5
4
3
2
1
0
8-bit microcontrollers with OSD and VST
CDTW
CDTW
CDTH
CC33
CC23
CC32
CC12
CC21
CC11
7
D
ERIVATIVE REGISTER
Determine the selection of:
Character dot width control.The state of this bit determines the dot width of the character. When
the CDTW bit is set to:
Character dot height control. The state of this bit determines the dot height of the character. When
the CDTH bit is set to:
Colour control bits.
In every VSYNCN cycle one screen can select any 4 colours from 7 and in addition a blank or black
screen. Combinations of CC1X, CC2X and CC3X control the character outputs VOW1, VOW2 and
VOW3 as shown in Table 24.
The size of the dot matrix grid
Four colours from a possible seven for the display.
CDTH
Logic 1, the character width is 6 dots.
Logic 0, the character width is 8 dots.
Logic 1, the character height is 13 dots.
Logic 0, the character height is 9 dots.
6
OSDCB
CC33
5
CC23
4
26
DESCRIPTION
FUNCTION
CC32
3
84C44X; 84C64X; 84C84X
CC12
2
CC21
1
Product specification
CC11
0