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Service manual WP 895/895F, CP885/885F
• Horizontal scaling ( 0.25 to 4 )
• Panoramavision
• Black-level expander
• Dynamic peaking
• Soft limiter (gamma correction)
• Colour transient improvement
• Programmable RGB matrix
• Analogue 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
• Adaptive data slicer
• Signal quality detection
• WST, PDC, VPS, and WSS acquisition