
MYSON
TECHNOLOGY
On-Screen Display Shrink Version
MTV004
This data sheet contains new product information. Myson Technology reserves the rights to modify the product specification without notice.
No liability is assumed as a result of the use of this product. No rights under any patent accompany the sale of the product.
MTV004 Revision 4.0 06/24/1999
1/9
FEATURES
·
On-chip phase lock loop circuitry for multi-sync operation.
Horizontal input up to 100 KHz.
273-byte display registers to control full screen display.
Full screen display consisting of 10 rows by 24 characters.
128 alphanumeric characters or graphic symbols built in character ROM.
12 x 16 dot matrix per character.
Character by character color selection.
4 color selections in a total of 8 color combinations per row.
4-character size options available by doubling character height and/or width.
Programmable positioning for display screen center.
Character bordering and shadowing.
Programmable vertical character height for multi-sync operation.
Multi-level windowing effect.
Half tone and fast blanking output.
·
Compatible with both SPI bus and I
2
C interface through pin selection.
·
16-pin PDIP package.
·
·
·
·
·
·
·
·
·
·
·
·
·
GENERAL DESCRIPTION
MTV004 is designed for use in monitor applications to display the built-in characters or symbols onto the
monitor screen. The display operation is enabled by transferring data and control information in the
microcontroller to RAM through a serial data interface. It can execute the full screen display automatically as
well as some specific functions such as character bordering, shadowing, double height, double width and color
control, frame positioning, vertical display height, and windowing effect.
BLOCK DIAGRAM
SERIAL DATA
INTERFACE
ADDRESS BUS
ADMINISTRATOR
VERTICAL
CONTROL
LOGIC
DISPLAY
REGISTERS
(RAM)
COLOR
ENCODER
WINDOWS &
FRAME
CONTROL
W
W
W
C(R,G,B)*4
WACTIVE
CCS1
CCS0
DATA
WACTIVE
CCH6
BSEN
SHADOW
VERTD
HORD
OSDENB
HORIZONTAL
CONTROL LOGIC
PHASE LOCK LOOP
8
LP1/2
VCLK
2
CWS
CHS
C(R,G,B)*4
CCS0
CRADDR
7
CWS
BSEN
SHADOW
LUMA
BORDER
LD1/2
DHOR
ARWDB
VCLK
HORD 5
CH
CHS
VERTD
6
6
LP
NROW
DVERT
4
DADDR
WADDR
DHOR
DVERT
9
5
RAEN,CAEN
ARWDB
DATA
DAEN
RAEN,CAEN
8
2
CHARACTER ROMS
12-BIT SHIFT
REGISTERS
VDD
VSS
VDDA
VSSA
ROUT
GOUT
BOUT
FBKG
HTONE
HFLB
RP
VCO
VFLB
SSB
SCK
SDA
6
8
7
5
2
3
10
2
2
12
6
5
LP
NROW
4
12
9
16
4
1
15
14
13
12
11