
CMOS 8-bit Single Chip Microcomputer
Description
The CXP87700 is a CMOS 8-bit single chip
microcomputer of piggyback/evaluator combined
type, which is developed for evaluating the function
of the CXP87740/87748.
Features
A wide instruction set (213 instructions) which
covers various types of data
– 16-bit operation/multiplication and division/boolean
bit operation instructions
Minimum instruction cycle
333ns at 12MHz operation (3.0 to 5.5V)
250ns at 16MHz operation (4.5 to 5.5V)
LCC type 27C256, LCC type 27C512
(Maximum 48Kbytes are available)
1344bytes
Applicable EPROM
Incorporated RAM capacity
Peripheral functions
– A/D converter
8-bit, 12-channel, successive approximation method
(Conversion time of 20μs/16MHz)
Incorporated 8-bit, 8-stage FIFO
(auto transfer for 1 to 8bytes), 1-channel
8-bit clock synchronous 1-channel
8-bit timer
8-bit timer/counter
19-bit time base timer
32kHz timer/counter
PPG 19-pin, 32-stage programmable
RTG 5-pin, 2-channel
PWM output 12-bit, 2-channel
(repetitive frequency 62.5kHz/16MHz)
DA gate pulse output 12-bit, 4-channel
Capstan FG, drum FG/PG, CTL input
– Serial interface
– Timer
– High precision timing pattern generator
– PWM/DA gate output
– Servo input control
– VSYNC separator
– FRC capture unit
– PWM output
– VISS/VASS circuit
– Remote control receiving circuit
Interruption
Standby mode
Package
Note)
Mask option depends on the type of the CXP87700. Refer to the Products List for details.
Incorporated 26-bit and 8-stage FIFO
14-bit, 1-channel
Pulse duty auto detection circuit
8-bit pulse measuring counter 6-stage FIFO
21 factors, 15 vectors, multi-interruption possible
Sleep/stop
100-pin ceramic PQFP
Structure
Silicon gate CMOS IC
– 1 –
E93X14B81-PS
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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.
CXP87700
Piggyback/
evaluator type
100 pin PQFP (Ceramic)
QFP supported
LQFP supported