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WT6802, WT6802 132 03A, WT6804

Table of contents:
Info of WT6802
Info of WT6802 132 03A
Info of WT6804

WT6802, WT6802 132 03A, WT6804 Selling Leads, Datasheet

MFG:WY Package Cooled:DIP D/C:D/C

WT6802, WT6802 132 03A, WT6804 Datasheet download

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Part Number: WT6802

MFG: WY

Package Cooled: DIP

D/C: D/C

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WT6802 General Description

WT6802 is designed to interface with a MCU to do the OSD (On Screen Display) function in CRT Monitor, besides the fancy auto-calibration function is also included.

The on-chip PLL generates a wide-ranged system clock up to 60MHz to meet the resolution requirements(OSD resolution is programmable) of different display modes. The full OSD screen size is 30 columns x 15 rows, and the OSD position can be freely programmed by setting the interal registers. Special functions include color font, character bordering, shadowing, blinking,double height, double width, all blanking effect, row to row spacing control, 4 windows with shadowing, and programmable fin in/fan out effect.

WT6802 has 8 channels of PWM DAC, each PWM DAC can be respectively controlled by an 8-bit register which contains a 5-bit PWM and 3-bit BRM, and the PWM clock is also programmable.The horizonal back/front porch and vertical black/front porch data can be read by MCU through the I2C bus in order to do the horizontal size/center and vertical size/center auto-calibration.

WT6802 Features

Input horizontal synchronous frequency . . .15k-130kHZ
Dot Frequency generated by On-chip PLL . ..up to 160MHz
Resolution . . . programmable, up to 2040 dots/line
Screen . . . . . . . . . ..30 columns x 15 rows
Character . ..12(H) x 18(V) dot matrix Fonts . . . . 512 characters and 16 color fonts MCU interface I2 C bus
Color(R, G, B with intensity attribute)Character foreground 8(R, G, B) Character background 7(no blank)Window 8(R, G, B)Window shadowing 8(R, G, B)
PWM DAC 8 channels
Row to row spacing control
Double character height and width
Programmable character height control 18-69 lines
Character blinking, bordering(or shadowing)
4 programmable background windows with multi-level operation
Horizontal/vertical size and center Auto-calibration

WT6804 General Description

The WT6804 is an on-screen display (OSD) IC which display color symbols or characters onto monitor. With the control of microcontroller through I²C interface, it can display characters with special effect like blinking or shadowing automatically.

WT6804 Maximum Ratings

Parameter	Min.	Max.	Units
DC Supply Voltage (VDD)	-0.3	7.0	V
Input and output voltage with respect to Ground	-0.3	VDD+0.3	V
Storage temperature	-25	125
Ambient temperature with power applied	0	85

*Note: Stresses above those listed may cause permanent damage to the devices

WT6804 Features

· Programmable horizontal resolutions up to 1530 dots per line
· Horizontal frequency up to 120KHz
· On-chip PLL up to 100MHz
· Fully programmable character array of 15 rows by 30 columns
· 12x18 dot matrix per character
· 256 characters and graphic symbols ROM including 16 multi-color fonts
· 8 colors per display character
· 7 colors per display character background
· 4 programmable windows
· Double character height and width control
· Programmable character height (18 to 71 lines)
· Programmable row-to-row spacing
· Programmable vertical and horizontal positioning for display screen center
· Bordering, shadowing and blinking effect
· Fade-in/fade-out effects
· I²C interface with slave address $7AH
· Power supply : 5V
· Package type : 16-pin plastic DIP/SOP

WT6804 Connection Diagram

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