NT68520XF Datasheet, PDF (30/97 Pages) List of Unclassifed Manufacturers – XGA,SXGA Flat Panel Monitor Controller

7. Translucent effect
NT68520X,E
OSD Palette Format
15
14:10 9:5 4:0
Reserve R
G
B
d
OSD Code Format
7:0
Font Index
OSD Attribute Format
7:5 4:2 1
FG[2:0 BG[2:0] Mix
]
0
Blink
FG[2:0]: Foreground color palette index LSB 3 bits (MSB in RegABH[0])
BG[2:0]: Background color palette index LSB 3 bits (MSB in RegABH[1])
Mix: 0- Normal
1- Translucent ( (Display+OSD_BG)/2 )
BG : 0- Font will be background transparent
Blink: 0- No blinking
1- Blinking
DPLL Clock Control
The NT68520 contains one PLL (Bandwidth 160MHz), each for SDRAM timing generator
and Display timing generator. Users should carefully program the right divider value for
normal operations.
Formula:
Fout = ((N+2) x Fref) / (M+2)
Fref = 12 MHz
MCU Interface
The NT68520 supports two wires of I2C bus and one IRQ output to communicate with
MCU. The I2C data rate is up to 400K bits/s. The NT68520’s I2C address can be
selected in the range of B0~B5, the value of the address bit 1/2 depends on the level of
pin I2C_ADDR0/I2C_ADDR1 while the NT68520 is on the reset state.
2003/4/15
30
Ver.1.0