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CXP85452 Datasheet

  • CXP85452

  • CMOS 8-bit Single Chip Microcomputer

  • 21頁(yè)

  • SONY   SONY

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CXP85452/85460
CMOS 8-bit Single Chip Microcomputer
Description
The CXP85452/85460 are a highly integrated micro-
computers composed of a 8-bit CPU, ROM, RAM,
and I/O ports. These chips feature many other high-
performance circuits in a single-chip CMOS design,
including an A/D converter, serial interface,
timer/counter, time-base timer, on-screen display
function, I
2
C bus interface, PWM output, remote
control reception circuit, HSYNC counter, and
watchdog timer.
Futhermore, the CXP85452/85460 series provides
power-on reset and sleep functions which enable to
lower power consumption.
64 pin SDIP (PIastic)
64 pin QFP (PIastic)
Structure
Silicon gate CMOS IC
Features
鈥?/div>
A wide instruction set (213 instructions) which covers various types of data
鈥?16-bit operation/multiplication and division/Boolean bit operation instructions
鈥?/div>
Minimum instruction cycle
0.5碌s at 8MHz
鈥?/div>
Incorporated ROM capacity 52K bytes (CXP85452)
60K bytes (CXP85460)
鈥?/div>
Incorporated RAM capacity 960 bytes
鈥?/div>
Peripheral functions
鈥?A/D converter
8-bit, 4-channel successive approximation method
(Conversion time of 20碌s at 8MHz)
鈥?Serial interface
8-bit clock sync type, 1 channel
鈥?Timer
8-bit timer
8-bit timer/counter
19-bit time-base timer
鈥?On screen display (OSD) function 12
脳
18 dots, 384 character types, 15 character colors,
12lines of 32 characters,
black frame output/half blanking, shadow, background
color on full screen/half blanking,
double scanning, jitter elimination circuit
鈥?I
2
C bus interface
鈥?PWM output
14 bits, 1 channel
8 bits, 8 channels
鈥?Remote control reception circuit
8-bit pulse measurement circuit, 6-state FIFO
鈥?HSYNC counter
2 channels
鈥?Watchdog timer
鈥?/div>
Interruption
13 factors, 13 vectors, multi-interruption possible
鈥?/div>
Standby mode
SLEEP
鈥?/div>
Package
64-pin plastic SDIP/QFP
鈥?/div>
Piggyback/evaluator
CXP85400 64-pin ceramic PSDIP/PQFP
CXP85490 64-pin ceramic PSDIP (accommodates custom font)
Purchase of Sony's I
2
C components conveys a license under the Philips I
2
C Patent Rights to use these components
in an I
2
C system, provided that the system conforms to the I
2
C 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.
鈥?鈥?/div>
E94323B86

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