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Sony Semiconductor Electronic Components Datasheet

CXP85856A Datasheet

CMOS 8-bit Single Chip Microcomputer

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CXP85840A/85848A/85856A
CMOS 8-bit Single Chip Microcomputer
Description
The CXP85840A/85848A/85856A are the CMOS 8-bit
microcomputer integrating on a single chip an A/D
converter, serial interface, timer/counter, time-base
timer, closed caption decoder, data slicer, on-screen
display function, I2C bus interface, PWM output,
remote control reception circuit, HSYNC counter and
watchdog timer, besides the basic configurations of
8-bit CPU, ROM, RAM, I/O ports.
The CXP85840A/85848A/85856A also provide a
power-on reset function and sleep function that
enables to lower the power consumption.
64 pin SDIP (Plastic)
64 pin QFP (Plastic)
Features
A wide instruction set (213 instructions) which covers
Structure
Silicon gate CMOS IC
various types of data
– 16-bit operation/multiplication and division/Boolean bit operation instructions
Minimum instruction cycle 333ns at 12MHz operation
Incorporated ROM
40K bytes (CXP85840A)
48K bytes (CXP85848A)
56K bytes (CXP85856A)
Incorporated RAM
2176 bytes (Excludes closed caption decoder and VRAM for on-screen display)
Peripheral functions
– A/D converter
8-bit 6-channel successive approximation method
(Conversion time of 26.7µs at 12MHz)
– Serial interface
8-bit clock sync type, 1 channel
– Timer
8-bit timer
8-bit timer/counter
19-bit time-base timer
– Closed caption decoder
Data slicer
Corresponds to FCC (EDS supported), 8 × 13 dots, 192 character types
15 character colors, 4 lines × 34 characters
frame background 15 colors/ half blanking
italic, underline, vertical scrolling
– On-screen display (OSD) function 12 × 16 dots, 192 character types, 15 character colors
2 lines × 24 characters
frame background 8 colors/ half blanking
background on full screen 15 colors/ half blanking
edging and vertical scrolling for every line
jitter elimination circuit
sprite OSD, 12 × 16 dots, 1 screen, 8 colors for every dot
– I2C bus interface
– PWM output
8 bits, 8 channels
– Remote control reception circuit 8-bit pulse measurement counter, 6-stage FIFO
– HSYNC counter
2 channels
– Watchdog timer
Interruption
15 factors, 15 vectors, multi-interruption possible
Standby mode
Sleep
Package
64-pin plastic SDIP/QFP
Piggyback/evaluator
CXP85890A 64-pin ceramic PSDIP (Supports custom font)
Perchase of Sony's I2C components conveys a licence under the Philips I2C Patent Rights to use these components
in an I2C system, provided that the system conforms to the I2C Standard Specifications as defined by Philips.
Sony reserves the right to change products and specifications without prior notice. This information does not convey any license by
any implication or otherwise under any patents or other right. Application circuits shown, if any, are typical examples illustrating the
operation of the devices. Sony cannot assume responsibility for any problems arising out of the use of these circuits.
–1–
E97739A86


Sony Semiconductor Electronic Components Datasheet

CXP85856A Datasheet

CMOS 8-bit Single Chip Microcomputer

No Preview Available !

CXP85840A/85848A/85856A
–2–


Part Number CXP85856A
Description CMOS 8-bit Single Chip Microcomputer
Maker Sony Corporation
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CXP85856A Datasheet PDF






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