MTV038 ETC-unknow, MTV038 Datasheet - Page 12

• Manufacturer Part Number: MTV038
• Description: On-screen Display Controller For Crt/lcd Monitor
• Manufacturer: ETC-unknow

START(END) ADDR - These addresses are used to specify the window size. It should be noted that when the
WEN - Enable the relative background window display.
WINT - Specify the color intensity of the relative background window. Setting this bit to 0 means low intensity
WSHD - Enable shadowing on the relative window.
R, G, B - Specify the color of the relative background window.
2. Frame control registers,
ROW 15
VERTD - Specify the starting position for vertical display. The total steps are 256, and the increment of each
HORD - Define the starting position for horizontal display. The total steps are 256, and the increment of each
CH6-CH0 - Define the character vertical height, the height is programmable from 18 to 71 lines. The character
(This byte is used only for CRT monitor application.)
HORR - Specify the resolution of a horizontal display line, and the increment of each step is 12 dots. That is,
Revision 1.1
Column 12
Column 13
Column 14
Column 15
2,5,8,OR 11
Column
in this background window.
step is 6 dots. The initial value is 15 after power up.
the number of pixels per H line equal to HORR*12. It is recommended that HORR should be greater
than or equal to 36 and smaller than 150M / (Hfreq*12). The initial value is 40 after power up.
step is 4 Horizontal display lines. The initial value is 4 after power up.
vertical height is at least 18 lines if the contents of CH6-CH0 is less than 18. For example, when
the contents is " 2 ", the character vertical height is regarded as equal to 20 lines. And if the con-
tents of CH4-CH0 is greater than or equal to 18, it will be regarded as equal to 17. See Table 2
and Table 3 for detail description of this operation.
MSB
MSB
MSB
b7
b7
b7
b7
MYSON
TECHNOLOGY
-
-
b7
start address is greater than the end address, the window will be disabled.
MSB
CH6
b6
b6
b6
b6
b6
COL END ADDR
CH5
b5
b5
b5
b5
b5
CH4
b4
b4
b4
b4
VERTD
HORD
HORR
CH3
b4
b3
b3
b3
b3
-12-
CH2
b2
b2
b2
b2
b3
LSB
CH1
b1
b1
b1
b1
b2
R
CH0
b0
b0
b0
b0
LSB
LSB
LSB
b1
(Revision 1.1)
G
b0
B
MTV038
2001/8/21