Daewoo DTU-14, Service Manual

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156 national option chara ters for 12 languages ( European version )
288 characters for X/26 display
64 block mosaic graphic characters
32 characters for OSD in expanded character ROM + 32 characters inside OSD box
saturation of basic colors adjustable in 4 steps
8 fore 8 background colours out of 64 colours
Conceal/reveal
Transparent foreground/background - inside/outside of a box
Constast reduction inside/outside of a box
Cursor ( Colour changes from foreground to background colour )
Flash ( flash rate 1 s, independent of frame rate )
Programmable horizontal and vertical sync delay
Full screen background colour in outer screen
Double size/double width/double height characters
Character shadowing
Box shadowing
Up to 64 Characters in a display row
Software selectable pixel frequency ( 12, 13.7, 16, 19.2 and 24MHz )
Synchronization
Display synchronization to Sandcastle Pulse or Horizontal Sync ( HS ) and Vertical Sync ( VS )
Microcontroller
8bit C500-CPU ( 8051 compatible )
24-MHz internal clock ( max. )
0.25 us(min.) instruction cycle
Non-multiplexed 8-bit data and 16 ... 19-bit address bus ( ROMless Version )
Eight 16-bit data pionter registers ( DPTR )
Two 16-bit timers
Watchdog timer
Capture compare timer for infrared remote control decoding
256-bytes on-chip RAM
Display RAM and TXT/VPS/PDC/WSS-Acquisition-Buffer directly accessible via MOVX
10Kbyte on-chip diaplay-RAM ( access via MOVX ) for SDA 5450
8Kbyte on-chip display-RAM ( access via MOVX ) SDA 5454 to SDA 5457
1Kbyte on-chip display-RAM ( access via MOVX ) for SDA 5451 to SDA 5452
1Kbyte on-chip ACQ-buffer-RAM ( access via MOVX )
1Kbyte on-chip extended-RAM ( XRAM, access via MOVX ) for SDA 5450 and SDA 5454 to SDA 5457
6 Channel 8-bit pulse width modulation unit
2 Channel 15-bit pulse width modulation unit
ADC with 8-bit resolution ( 4 multiplexed input channels )
Ports
One 8-bit I/O-port with open drain output and optional I C Bus emulation ( Port0 )
Two 8-bit multifunctional I/O-ports ( Port1, Port3 )
IC description
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