Daewoo dsc-3220e-3220l Manuel D’Utilisation

-19-

  Horizontal scaling ( 0.25 to 4 )
  Panoramavision
  Black-level expander
  Dynamic peaking
  Soft limiter (gamma correction)
  Colour transient improvement
  Programmable RGB matrix
  Analogu e RGB/Fastblank input
  Half-contrast switch
  Picture frame generator
  Scan velocity modulation output
  High-performance H/V deflection
  Angle and bow correction
  Separate ADC for tube measurements
  EHT compensation

4-1-3-   -Controller
  8-bit, 10-Mhz CPU (65C02)
  96 kB program  ROM on chip
  1 kB program RAM on chip
  memory banking
  16-input, 16-level interrupt controller
  patch module for 10 ROM locations
  two 16-bit reloadable timers
  capture compare module
  watchdog timer
  14-bit PWM for voltage synthesis
  Four 8-bit PWMs
  10-bit ADC with 15:1 input MUX
  I2C bus master interface
  24 programmable I/O ports
  80C51  -controller core standard instruction set and timing
  1  s machine cycle
  32-128Kx8-bit late programmed ROM
  3-12Kx8-bit Auxiliary RAM (shared with Display and Acquisition)
  Interrupt controller for individual enable/disable with two level priority
  Two 16-bit Timer/Counter registers
   WatchDog timer
  Auxiliary RAM page pointer
  16-bit Data pointer
  IDLE and Power Down (PD) mode
  14 bits PWM for Voltage Synthesis Tuning
  8-bit A/D converter
  4 pins which can be programmed as general I/O pin, ADC input or PWM (6-bit) output

4-1-4- Teletext Features
  Four programmable video inputs
   Adapt ive  data  slicer
  Signal quality detection
  WS T, PDC, VPS, and WSS acquisition