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CXP87940

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 250ns at 16MHz operation (4.5V to 5.5V) 122µs at 32kHz operation (2.7V to 5.5V)R...

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SeekIC No. : 004319028 Detail

CXP87940: Features: • A wide instruction set (213 instructions) which covers various types of data- 16-bit operation/multiplication and division/Boolean bit operation instructions• Minimum instruc...

CXP87940 Data Sheet

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Part Number:
CXP87940
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Product Details

Description



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 250ns at 16MHz operation (4.5V to 5.5V) 122µs at 32kHz operation (2.7V to 5.5V)
• Incorporated ROM capacity 40K bytes (CXP87940), 48K bytes (CXP87948)
• Incorporated RAM capacity 1376 bytes
• Peripheral functions
- A/D converter 8 bits, 12 channels, successive approximation method (Conversion time of 20.0µs at 16MHz)
- Serial Interface Incorporated buffer RAM (Auto transfer for 1 to 32 bytes), 1 channel Incorporated 8-bit and 8-stage FIFO (Auto transfer for 1 to 8 bytes), 1 channel Incorporated two-wire 8-bit and 8-stage FIFO (Auto transfer for 1 to 8 bytes), 1 channel
- Timer 8-bit timer, 8-bit timer/counter, 19-bit time base timer,32kHz timer/counter
- High-precision timing pattern generator PPG: maximum of 19 pins, 32 stages programmable RTG: 5 pins, 2 channels
- PWM/DA gate output PWM: 12 bits, 2 channels (Repetitive frequency of 62kHz at 16MHz) DA gate pulse output: 13 bits, 4 channels
- Servo input control Capstan FG, drum FG/PG, CTL input
- VSYNC separator
- FRC capture unit Incorporated 26-bit and 8-stage FIFO
- PWM output 14 bits
- VISS/VASS circuit Pulse duty auto detection circuit
- Remote control reception circuit 8-bit pulse measurement counter with on-chip 6-stage FIFO
• Interruption 22 factors, 15 vectors, multi-interruption possible
• Standby mode Sleep/stop
• Package 100-pin plastic QFP
• Piggyback/evaluator CXP87800 100-pin ceramic PQFP


Pinout

Connection Diagram


Specifications

Item Symbol Rating Unit Remarks
Supply voltage VDD 0.3 to +7.0 V  
AVDD AVss to +7.0*1 V  
AVSS 0.3 to +0.3 V  
AVREF AVss to +7.0*1 V  
Input voltage VIN 0.3 to +7.0*2 V Port H pin
Output voltage VOUT 0.3 to +7.0*2 V  
High level output current IOH 5 mA  
High level total output current IOH 50 mA Total of output pins
Low level output current IOL 15 mA Other than large current output
ports (value per pin)
IOLC 20 mA Large current output pin*3: per pin
Low level total output current IOL 130 mA Total of output pins
Operating temperature Topr 20 to +75 °C  
Storage temperature Tstg 55 to +150 °C  
Allowable power dissipation PD 600 mW  



Description

The CXP87940/87948 is a CMOS 8-bit single chip microcomputer which consists of A/D converter, serial interface, timer/counter, time base timer, high precision timing pattern generation circuit, PWM output, VISS/VASS circuit, 32kHz timer/counter, remote control reception circuit, VSYNC separator and the measurement circuit which measures signals of capstan FG and drum FG/PG and other servo systems, as well as basic configurations like 8-bit CPU, ROM, RAM and I/O port.
Also the CXP87940/87948 provides sleep/stop functions which enable to lower power consumption.




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