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DS87C550
IC MCU 8BIT 8KB OTP 68PLCC
DS87C550
IC MCU 8BIT 8KB OTP 68PLCC
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Service & Packaging
Service & Packaging
About After Sales Service
All Parts Extended Quality Guarantee
Initiate the application within 90 days from the shipment date.
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Regarding packaging, our products are carefully packed in anti-static bags to provide ESD anti-static protection. The outer packaging is durable with secure closure. We support various packaging methods such as Tape and Reel, Cut Tape, Tube, or Tray.
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DS87C550 DataSheet
Current price plan is under preparation. Please contact our customer service team for the latest pricing information. Thank you for your understanding and support!
Details
The DS87C550 EPROM High-Speed Micro with A/D and PWM is a member of the fastest 100% 8051-compatible microcontroller family available. It features a redesigned processor core that removes wasted clock and memory cycles. As a result, it executes 8051 instructions up to three times faster than the original architecture for the same crystal speed. The DS87C550 also offers a maximum crystal speed of 33 MHz, resulting in apparent execution speeds of up to 99 MHz.FEATURES■ 87C52-Compatible - 8051 pin- and instruction set-compatible - Three 16-bit timer/counters - 256 bytes scratchpad RAM■ On-chip Memory - 8 kbytes EPROM (OTP & Windowed Packages) - 1 kbyte extra on-chip SRAM for MOVX access■ On-chip Analog to Digital Converter - Eight channels of analog input, 10-bit resolution - Fast conversion time - Selectable internal or external reference voltage■ Pulse Width Modulator Outputs - Four channels of 8-bit PWM - Channels cascadable to 16-bit PWM■ 4 Capture + 3 Compare Registers■ 55 I/O Port Pins■ New Dual Data Pointer Operation - Either data pointer can be incremented or decremented■ ROMSIZE Feature - Selects effective on-chip ROM size from 0 to 8k - Allows access to entire external memory map - Dynamically adjustable by software■ High-Speed Architecture - 4 clocks/machine cycle (8051 = 12) - Runs DC to 33 MHz clock rates - Single-cycle instruction in 121 ns - New Stretch Cycle feature allows access to fast/slow memory or peripherals■ Unique Power Savings Modes■ EMI Reduction Mode disables ALE when not needed■ High integration controller includes: - Power-fail reset - Early-warning power-fail interrupt - Two full-duplex hardware serial ports - Programmable watchdog timer■ 16 total interrupt sources with 6 external
Key Features
- 87C52-Compatible
- - 8051 pin- and instruction set-compatible
- - Three 16-bit timer/counters
- - 256 bytes scratchpad RAM
- On-chip Memory
- - 8 kbytes EPROM (OTP & Windowed Packages)
- - 1 kbyte extra on-chip SRAM for MOVX access
- On-chip Analog to Digital Converter
- - Eight channels of analog input, 10-bit resolution
- - Fast conversion time
- - Selectable internal or external reference voltage
- Pulse Width Modulator Outputs
- - Four channels of 8-bit PWM
- - Channels cascadable to 16-bit PWM
- 4 Capture + 3 Compare Registers
- 55 I/O Port Pins
- New Dual Data Pointer Operation
- - Either data pointer can be incremented or
- decremented
- ROMSIZE Feature
- - Selects effective on-chip ROM size from 0 to 8k
- - Allows access to entire external memory map
- - Dynamically adjustable by software
- High-Speed Architecture
- - 4 clocks/machine cycle (8051 = 12)
- - Runs DC to 33 MHz clock rates
- - Single-cycle instruction in 121 ns
- - New Stretch Cycle feature allows access to
- fast/slow memory or peripherals
- Unique Power Savings Modes
- EMI Reduction Mode disables ALE when not
- needed
- High integration controller includes:
- - Power-fail reset
- - Early-warning power-fail interrupt
- - Two full-duplex hardware serial ports
- - Programmable watchdog timer
- 16 total interrupt sources with 6 external
Specifications
The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.
| Category | Integrated Circuits (ICs)EmbeddedMicrocontrollers | Mfr | Analog Devices Inc./Maxim Integrated |
| Series | 87C | Package | Tube |
| Product Status | Obsolete | Programmable | Not Verified |
| Core Processor | 8051 | Core Size | 8-Bit |
| Speed | 33MHz | Connectivity | EBI/EMI, SIO, UART/USART |
| Peripherals | Power-Fail Reset, PWM, WDT | Number of I/O | 55 |
| Program Memory Size | 8KB (8K x 8) | Program Memory Type ! | OTP |
| EEPROM Size | - | RAM Size | 1K x 8 |
| Voltage - Supply (Vcc/Vdd) | 4.5V ~ 5.5V | Data Converters | A/D 6x10b |
| Oscillator Type ! | External | Operating Temperature ! | 0°C ~ 70°C (TA) |
| Mounting Type | Surface Mount | Package / Case | 68-LCC (J-Lead) |
| Supplier Device Package | 68-PLCC (24.23x24.23) | Base Product Number | DS87C550 |
Datasheet PDF
Datasheets record the features, absolute maximum ratings, applications and more of the device, which benefit a lot as an overall guide to the specific application of the part.
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