CXP85890A Datasheet, PDF (1/6 Pages) Sony Corporation – CMOS 8-bit Single Chip Microcomputer

CXP85890A
CMOS 8-bit Single Chip Microcomputer
Piggyback/
evaluator type
Description
The CXP85890A is a CMOS 8-bit single chip micro-
computer of biggyback/evaluator combined type,
which is developed for evaluating the function of the
CXP85840A/ 85848A/ 85856A.
For the CXP85890A, the custom font is supported.
64 pin PSDIP (Ceramic)
Features
• A wide instruction set (213 instructions) which covers
various types of data
– 16-bit operation/multiplication and division/ Boolean
bit operation instructions
Structure
• Minimum instruction cycle 333ns at 12MHz operation ^{Silicon gate CMOS IC}
• Applicable EPROM
LCC type 27C512 (Maximum 56K bytes are available.)
• Incorporated RAM
2176 bytes (Excludes closed caption decoder and VRAM for on-screen display)
• EPROM for custom font
LCC type 27C512 (Maximum 6K bytes are available.)
• 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 ceramic PSDIP (Supports custom font)
Note) Mask option is fixed by the CXP85890A. Refer to the Products List for details.
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.
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E97829-PS