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P8XCX66 Datasheet(PDF) 3 Page - NXP Semiconductors

Part # P8XCX66
Description  80C51 8-bit CPU
Download  92 Pages
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Manufacturer  PHILIPS [NXP Semiconductors]
Direct Link  http://www.nxp.com
Logo PHILIPS - NXP Semiconductors

P8XCX66 Datasheet(HTML) 3 Page - NXP Semiconductors

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1999 Mar 10
3
Philips Semiconductors
Product specification
Microcontrollers for PAL/SECAM TV
with OSD and VST
P8xCx66 family
1
FEATURES
1.1
P80C51 CPU core
• 80C51 8-bit CPU
• 64-kbyte Multiple Programming ROM (MTP ROM)
• Two 16-bit timer/event counters
• Crystal oscillator for system clock (up to 12 MHz)
• 12 source, 12 vector interrupt structure with two priority
levels
• Enhanced architecture with:
– Non-page orientated instructions
– Direct addressing
– Four 8-byte RAM register banks
– Stack depth up to 128 bytes
– Multiply, divide, subtract and compare instructions.
1.2
P8xCx66 family
• ROM/RAM: see Table 1
• Pulse Width Modulated (PWM) outputs:
– One 14-bit PWM output for Voltage Synthesized
Tuning (VST)
– Eight 7-bit PWM outputs for analog controls.
• 3 Analog-to-Digital (ADC) inputs with 4-bit DAC and
comparator
• LED driver port:
– All I/O port lines with 10 mA LED drive capability
(VO <1.0 V)
– Up to 5 LEDs can be driven at any one time.
• Serial I/O:
– Multi-master I2C-bus interface
– Maximum I2C-bus frequency 400 kHz.
• Watchdog timer
• Improved EMC measures and slope controlled I/Os
• OSD functions:
– Programmable VSYNC and HSYNC active levels
– Display RAM: 192
× 12 bits
– Display character fonts: 128 (126 customer fonts plus
2 reserved codes)
– 63 vertical starting positions controlled by software
– 110 horizontal starting positions controlled by
software
– Character size: 4 different character sizes on a
line-by-line basis
– Character matrix: 12
× 18 with no spacing between
characters
– Foreground colours: 8 on a character-by-character
basis
– Background/shadowing modes: two primary modes -
TV mode and Frame mode on a frame basis. Each
primary mode has four sub-modes on a line basis:
Sub-mode 1: Superimpose (no background)
Sub-mode 2: North-West shadowing
Sub-mode 3: Box background
Sub-mode 4: Border shadowing
– Background colours: 8 on a word-by-word basis,
available in all four sub-modes
– Display RAM starting address is programmable; fast
switching between banks of display (RAM)
characters is possible through software control
– HSYNC driven PLL for OSD clock (4 to 12 MHz)
– Character blinking ratio: 1 : 1
– Character blinking frequency: programmable using
fVSYNC divisors of 32 and 64, on a character basis
– Flexible display format using the Carriage Return
code and the Space codes
– Display RAM address post incremented each time
new data is written into RAM
– Vertical jitter cancelling circuit to avoid unstable
VSYNC leading edge mismatch with HSYNC signal
– OSD meshing.
• Power-on reset
• Packages: SDIL42 (PLCC68 for piggy-back only)
• Operating voltage: 4.5 to 5.5 V
• Operating temperature: −20 to +70 °C
• System clock frequency: 4 to 12 MHz
• OSD clock frequency: 4 to 12 MHz.


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